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1: Speaker Asylum, RE: Hmmm... (0.00)
Posted by Presto on 2024-03-22, 10:39:13 (198.161.101.202)
At the end of it all, you'd have a 93db sensitive 1" dome tweet at the heart of the system. Surely this system will be multi-amped - but is all that low-end horsepower really needed with a single 1" d .......
2: Speaker Asylum, Remember, the #1 cause of divorce is still... (0.00)
Posted by Presto on 2024-03-01, 22:22:31 (204.191.182.195)
Marriage! Get a pre-nup for that vinyl collection, for the love of all things holy. -Presto .......
3: Speaker Asylum, Here's a fun experiment (0.00)
Posted by Presto on 2022-05-12, 11:48:11 (198.161.101.202)
Place one mono speaker in the middle of the soundstage. Then have two more (identical) mono speakers in a "stereo mono" arrangement on either side. Then compare notes :-) CHeers, Presto .......
4: Speaker Asylum, RE: Speaker Placement - too far? (0.00)
Posted by Presto on 2022-02-17, 09:34:28 (198.161.101.202)
Hi. I'd try moving your chair into the "listening triangle" about 18-24" and move back in 6 inch then 3 inch increments. With toe-in, you sound rather far away. The magic could be happening 12 - 24" i .......
5: Speaker Asylum, This is a *perfect* application for stereo subs (0.00)
Posted by Presto on 2022-01-23, 15:18:32 (75.155.98.176)
I would replace the speakers stands with a pair of robust 12" ported woofer cabinets - using woofers that are closer to subs than woofers. 80 - 100Hz is just way too high to rely on a subs omnidirecti .......
6: Speaker Asylum, RE: crossover question question (0.00)
Posted by Presto on 2022-01-07, 15:40:01 (198.161.101.202)
Did you use measurements to input into design software to develop the crossovers? Or did you use a pre-existing crossover design? Or something else entirely? Cheers, Presto .......
7: Speaker Asylum, You know... this reminds me. (0.00)
Posted by Presto on 2021-12-22, 15:55:29 (198.161.101.202)
Why I like my "impromptu 3-way" concept. A long while ago I got hooked on the concept of "stereo subs". These essentially sit beside each 3-way (yuck) or (wait for it) under a 2-way design. The latter .......
8: Speaker Asylum, RE: Thanks for taking the time to expound... (0.00)
Posted by Presto on 2021-10-29, 20:06:38 (50.99.161.206)
I have some electronic stuff that lately I can't listen to quietly enough! I used to blast wall-of-sound electronic stuff just for the visceral impact of it all. But now I find I like some of the spac .......
9: Speaker Asylum, RE: Given that frequency balance is volume-dependent, I could see where... (0.00)
Posted by Presto on 2021-10-29, 20:04:30 (50.99.161.206)
"Which, of course, would vary with the intrinsic balance of a given recording." You know this whole thread has gotten me thinking... And I'm thinking about how I'm always on the volume controls betwee .......
10: Speaker Asylum, RE: The "scales" don't always add up (0.00)
Posted by Presto on 2021-10-29, 20:02:52 (50.99.161.206)
I had a set of speakers (well, "configurable" DIY speakers) that were so improperly set up at one time the image was always coming from the top of the wall. Some sort of crazy lobing tilt? Now it al .......
11: Speaker Asylum, Um. no? (0.00)
Posted by Presto on 2021-10-26, 20:17:45 (50.99.161.206)
Speakers can sound good all the time. When fed only good recordings. Good speakers can often reveal flaws in the source material that a lesser speaker might not. For example, transient accurate speake .......
12: Speaker Asylum, The "scales" don't always add up (0.00)
Posted by Presto on 2021-10-26, 17:13:12 (198.161.101.202)
The "right" volume I enjoy listening at is not necessarily the volume that a live event would be experienced at given the scale of that particular soundstage, but there is a corollary. That sounds str .......
13: Speaker Asylum, 80Hz might be too high... (0.00)
Posted by Presto on 2021-10-01, 11:20:56 (198.161.101.202)
I've played a lot with integrating subs over the years. I seemed to come upon a formula - starting point, that I like to try when first integrating subs. Ported boxes typical have a 12db/octave "acous .......
14: Speaker Asylum, RE: adding mass to cabinet (0.00)
Posted by Presto on 2021-09-03, 09:19:42 (198.161.101.202)
You can definitely cement on panels (screw and glue) on any of the five non-baffle sides. If your enclosure is MDF, use plywood. If the enclosure is plywood or particle board, use MDF. Apparently a sa .......
15: Speaker Asylum, Yes I remember that! (0.00)
Posted by Presto on 2021-07-29, 15:46:49 (198.161.101.202)
I remember the Morel split. I had no idea the American side changed it's name. Fascinating. Morel makes some crazy drivers... World renowned tweets - their 2" mid-dome is well known. I've always wante .......
16: Speaker Asylum, What a mess... (0.00)
Posted by Presto on 2021-07-27, 20:22:11 (75.152.219.97)
Thanks for sharing that history of this company and it's incredible founders and stewards. Frankly, I just can't keep up. For Scan/Peerless/Vifa from my Canadian source it's always been Solen, but I u .......
17: Speaker Asylum, As a bit on an ATC fanboy... (DROOOOL) nt (0.00)
Posted by Presto on 2021-07-24, 19:39:13 (75.152.219.97)
nt .......
18: Speaker Asylum, Thank you for that excellent well articulated post (0.00)
Posted by Presto on 2021-07-24, 19:36:44 (75.152.219.97)
You've made my point to a T here. What I value is a guy's time. I value MY time. I value other people's time. So, I'd suggest they made the goal $1000 and not $500. Even if you use a more "DIY/Kit" ma .......
19: Speaker Asylum, RE: Well, for some time it seems, the remarkable Mr. Krutke has been recommending Indonesian drivers... (0.00)
Posted by Presto on 2021-07-23, 20:25:40 (75.152.219.97)
"That being, for this competition, $1200 for drivers, crossovers, and passable MDF cabinets." This was my one and only point. How much does a speaker from 1987 at $1200 cost today? Inflation calculato .......
20: Speaker Asylum, RE: "to reflect new thinkings and innovations and materials"...... (0.00)
Posted by Presto on 2021-07-23, 09:53:51 (198.161.101.202)
Depends on the price point. Vintage as in before copper rings on pole pieces, frame venting below the spider, or neo magnets... You might not be able to beat a vintage midbass with a $25 driver from C .......
21: Speaker Asylum, RE: I took it differently (0.00)
Posted by Presto on 2021-07-23, 09:45:25 (198.161.101.202)
So I checked again. Zaph Kits start at $250 for drivers and crossover parts at Madisound. (John Krutke is GIFTING these things to our community. He's clearly not in this for the money!!) So how much f .......
22: Speaker Asylum, RE: I took it differently (0.00)
Posted by Presto on 2021-07-23, 09:39:31 (198.161.101.202)
"I feel it is time for a competition in designing a bookshelf speaker for $500." "No stipulations on the driver or type of cabinet but must be saleable for $500." Those statements seemed to shout "com .......
23: Speaker Asylum, RE: A competition - No thanks (0.00)
Posted by Presto on 2021-07-21, 20:20:00 (75.152.219.97)
$500 retail? After markup? So, $100-$150 worth of parts? Including drivers, crossover and cabinet? Sounds like a waste of time to me. I'll leave it to others to take $20 drivers from China and make so .......
24: Speaker Asylum, If people know what it is and don't like it... (0.00)
Posted by Presto on 2021-07-09, 19:22:38 (75.152.219.97)
...why do they click on it? -Presto .......
25: Speaker Asylum, I thought Fried... (0.00)
Posted by Presto on 2021-06-09, 18:50:15 (75.152.219.97)
...was the condition of the drivers as opposed to the brand of speaker!! Sorry, couldn't resist. Yes, you need to get new surrounds put on. ***HOWEVER*** You should measure the resistance of each coil .......
26: Speaker Asylum, RE: I have a couple of tracks I like to use to check for loose screws (0.00)
Posted by Presto on 2021-06-07, 16:24:04 (75.152.219.97)
That's an excellent rattle tester track! .......
27: Speaker Asylum, RE: Ports, subwoofers and bass waves (0.00)
Posted by Presto on 2021-04-29, 08:53:42 (198.161.101.202)
Are your mains floorstanders or standmounts? I find standmounts are naturally easier to set up with a sub because of a higher F3 (rolloff) point. The biggest problem I've seen with guys adding subs to .......
28: Speaker Asylum, RE: Here's what I'm dealing with (0.00)
Posted by Presto on 2021-04-06, 13:14:44 (198.161.101.202)
Ah, wrap around grille cloth! Well, this means your efforts weren't for naught! I wonder if there was a bottom plate. ;-) Cheers, Presto .......
29: Speaker Asylum, Just a general FYI (0.00)
Posted by Presto on 2021-04-06, 10:39:50 (198.161.101.202)
Very often speaker crossovers are only accessible through the woofer hole(s). Just sayin. Cheers, Presto .......
30: Speaker Asylum, No I checked again... (0.00)
Posted by Presto on 2021-03-07, 18:08:48 (198.161.101.202)
Turns out I was just being sarcastic that day. But I did not suggest that a clock radio speaker would "do midrange well" - I merely poked fun at single-driver aficionados who would make note that it's .......
31: Speaker Asylum, Whoosh you missed the point... (0.00)
Posted by Presto on 2021-03-02, 20:57:18 (75.152.219.97)
I was saying that a full-range speaker is governed by the laws of physics, making it a glorified midrange driver with a high and low pass filter built into it, inherently. (Mechanically). Freaky whiz .......
32: Speaker Asylum, Well hang on now. (0.00)
Posted by Presto on 2021-02-27, 22:46:29 (75.152.219.97)
Allow me to play devil's advocate and indulge this 3" driver thing. It's a single driver. You can't get less crossover than a single driver with no crossover. You're connecting the amplifier output st .......
33: Speaker Asylum, RE: Replacing a midrange driver - different impedance (0.00)
Posted by Presto on 2021-02-22, 21:32:55 (75.152.219.97)
It's a complete waste of time. He may as well listen with the original mids removed. Stuffing a random replacement in there will probably be more offensive. Plus, it's the wrong impedance so frequency .......
34: Speaker Asylum, Don't do it. (0.00)
Posted by Presto on 2021-01-30, 21:46:10 (75.152.219.97)
Don't stretch the suspension of those midbass components if they're only ever intended to see midrange frequencies. Any auditioning you'll do in this "state" will be an invalid mess. Be patient, repai .......
35: Speaker Asylum, I recommend MDF (0.00)
Posted by Presto on 2021-01-28, 20:27:07 (75.152.219.97)
... fashioned into a sturdy plan pen for monster. :-) P.S. My children attacked my 'John Kreskovsky' designed Vifa 2-ways, one on each speaker, in unison, each sporting screwdrivers. The nanny was bus .......
36: Speaker Asylum, Why folded horn?! (nt) (0.00)
Posted by Presto on 2021-01-18, 19:27:07 (75.152.219.97)
-t .......
37: Speaker Asylum, RE: North Creek Rhythm Speaker stopped working (0.00)
Posted by Presto on 2020-11-21, 18:54:11 (75.152.207.186)
Could be a loose connection inside... you can usually get one of the woofers out and inspect wiring that way. Sometimes a dropped speaker can cause a magnet to shift, but in an MTM design like that th .......
38: Speaker Asylum, RE: What am I not understanding? (0.00)
Posted by Presto on 2020-11-04, 22:15:27 (75.152.207.186)
It's placement. A floor stander with a decent sized woofer can put out almost as much bass as a sub... when it's in the corner. But, we put floorstanders where they image best, not where they excite t .......
39: Speaker Asylum, All one's audio beliefs, on display (nt) (0.00)
Posted by Presto on 2020-11-04, 22:12:48 (75.152.207.186)
nt .......
40: Speaker Asylum, RE: Polk Audio TSI500 mods and placement (0.00)
Posted by Presto on 2020-10-20, 20:39:05 (75.152.207.186)
If you have the space to put a couple more feet between the speaks and the back wall... I say do it. Sometimes people get the impression that speakers are "furniture" that need to be close to walls. S .......
41: Speaker Asylum, RE: B&W speakers doing duty around the house (0.00)
Posted by Presto on 2020-10-10, 14:58:22 (75.152.207.186)
"a 32mm soft dome tweeter and a 50mm paper mid/bass driver." ??? huh? Cheers, Presto .......
42: Speaker Asylum, Some say those sound (0.00)
Posted by Presto on 2020-10-10, 14:56:13 (75.152.207.186)
... a little on the warm side. ;-) Cheers, Presto .......
43: Speaker Asylum, A single best in class midrange driver will cost you (0.00)
Posted by Presto on 2020-08-31, 22:44:10 (75.152.207.186)
... $750. For one. Driver. Seriously, best in class midrange drivers can easily cost $750 a pop. So... what's plan B? Do you want it accurate or loud? For $750, you have to choose. Accurate and loud p .......
44: Speaker Asylum, It's not dumb BUT... (0.00)
Posted by Presto on 2020-08-25, 20:13:41 (75.152.207.186)
BUT... I used to stack "subs" (high power high quality woofers which were "sub capable) under 2-way monitors. When stacked, I could cross over to the midwoofer at 60 Hz. Or 100 Hz. Or even 200Hz. Beca .......
45: Speaker Asylum, RE: Small Listening room assistance (0.00)
Posted by Presto on 2020-08-08, 14:59:08 (75.152.207.186)
I've done smaller rooms in apartment bedrooms and such, but never 6 feet wide. You could try the layout below. (The things on the walls are egg-crate or similar acoustic foam tiles about 4 foot squar .......
46: Speaker Asylum, RE: Blew a driver. Any advice on avoiding this??? (0.00)
Posted by Presto on 2020-08-08, 14:51:03 (75.152.207.186)
Looks like it's nothing more than a fancy dust cap that came loose. Can be repaired with a minimal amount of the correct adhesive, and a gentle touch. If the glue is totally shot the dome might come r .......
47: Speaker Asylum, Oops. Didn't read the fine print. ;-) nt (0.00)
Posted by Presto on 2020-07-27, 21:14:48 (75.152.207.186)
nt .......
48: Speaker Asylum, Something from ATC or maybe Tannoy (nt) (0.00)
Posted by Presto on 2020-07-25, 15:58:23 (75.152.207.186)
Cheers, .......
49: Speaker Asylum, Yep. (0.00)
Posted by Presto on 2020-07-23, 11:04:51 (198.161.101.202)
Annoying AF... .......
50: Speaker Asylum, RE: I Really Like Speakers (0.00)
Posted by Presto on 2020-06-29, 21:43:38 (75.152.207.186)
Me too. I've been a speaker nut since I was a kid. I marvelled at raw drivers, even basic full range ones, and hooked all kinds of the wrong speakers up to the wrong equipment. And I learned a lot - o .......
51: Speaker Asylum, RE: Embiggen the sound (0.00)
Posted by Presto on 2020-06-28, 20:42:51 (75.152.207.186)
Time alignment only works if your crossover results in a transient accurate response, aka constant group delay. Otherwise, the distance required for correct alignment would vary with frequency. If you .......
52: Speaker Asylum, RE: My third DIY build . . . (0.00)
Posted by Presto on 2020-06-23, 21:37:18 (75.152.207.186)
MTM's with Focal drive units can be very very nice. That particular 5" midbass was a 5K013-L, and I believe the driver that followed it was the 5K4211 which was similar if not just a simple re-badge. .......
53: Speaker Asylum, Nice Room! I should get my 300B monoblocks out... (0.00)
Posted by Presto on 2020-06-22, 20:08:32 (75.152.207.186)
... I've been running multi-way digital for a long time now. Might be time for some full-rangers! ;-) Those are indeed sweet sounding amps. Can't beat a true Class-A 300B monoblock amp! :-) Cheers, Pr .......
54: Speaker Asylum, Focal got me into High End and DIY audio! (0.00)
Posted by Presto on 2020-06-22, 19:25:04 (75.152.207.186)
Neat speakers! Looks like 7" Audiom Series W-Cone mids (7W4411?) around a Audiom neo tweet... with those (2) big 13V7511 polyglass woofs in each cabinet. (I use 12V726S in some of my systems, very nic .......
55: Speaker Asylum, RE: 2 sub experiment (0.00)
Posted by Presto on 2020-06-04, 21:21:05 (75.152.207.186)
Rod: Is that a 2" throat Tractrix horn? What driver are you using? Looks amazing!! Cheers, Presto .......
56: Speaker Asylum, Midrange signal path.. (0.00)
Posted by Presto on 2020-05-31, 20:12:18 (75.152.207.186)
... lots of components there! They just inverted the mid unit polarity. Cheers, Presto .......
57: Speaker Asylum, Is this why... (0.00)
Posted by Presto on 2020-04-28, 22:58:44 (75.152.207.186)
.... none of my subs have "holes" in them? EQ'd in a sealed box any day of the week, for me, anyways. Cheers, Presto .......
58: Speaker Asylum, RE: Higher sensitivity than a 2-way, but you MUST use higher impedance midwoofers (0.00)
Posted by Presto on 2020-04-13, 14:03:43 (75.152.207.186)
But if you use two 8 Ohm nominal drivers, specified 88-90dB sensitivity, you get close to that sensitivity broadband (minus series inductor losses)... Due to baffle step compensation... So many 2-wa .......
59: Speaker Asylum, You need to do it again. (0.00)
Posted by Presto on 2020-04-01, 17:58:12 (75.152.207.186)
Bleach solutions need to sit for min. 10 minutes before being wiped down. I know this stuff. I know somebody who runs a daycare. Cheers, Presto .......
60: Speaker Asylum, RE: Since passive xovers are so problematic (0.00)
Posted by Presto on 2020-02-24, 21:19:50 (75.152.207.186)
Active filters can give you steep slopes, and offer both gain and cut, rather than just cut in passive designs. But, you're running the audio signal through a very complex signal path with dozens of o .......
61: Speaker Asylum, RE: Ratio of cabinet cost to drivers (0.00)
Posted by Presto on 2020-02-23, 14:40:04 (75.152.207.186)
Most DIY speakers - the very well crafted ones - have cabinetry that far exceeds the cost of the drivers. How so? If you have beautiful cabinets you've spend hundreds on building materials, a few trip .......
62: Speaker Asylum, Excellent news! (0.00)
Posted by Presto on 2020-01-26, 19:53:45 (198.53.157.193)
I'm glad the tape trick worked! Because... it doesn't always work! ;) Happy listening. -Presto .......
63: Speaker Asylum, RE: Can this be fixed? (0.00)
Posted by Presto on 2020-01-23, 20:47:19 (198.53.157.193)
Well, cutting off the offending finger might help, but they have nine more... In all seriousness, the tweeter may have a removable voice coil/dome assembly. Gentle dissasembly by someone who knows wha .......
64: Speaker Asylum, Don't get me wrong... (0.00)
Posted by Presto on 2020-01-16, 21:29:46 (198.53.157.193)
I think the final effect is marvelous... It's a large "Transformers" effect - a speaker that could turn into a space alien at a moments notice. But I do notice the many parallel panels... I feel there .......
65: Speaker Asylum, RE: Gorgeous . . . but unnecessarily complicated? (0.00)
Posted by Presto on 2020-01-15, 23:01:36 (198.53.157.193)
They have a Wilson MAXX kind of feel to them. Thing is, they're not an MTM and the tweeter is god-aweful high. I wonder if the designer used a lobing tilt between the tweeter and the mid-dome. I like .......
66: Speaker Asylum, RE: I was wondering the same (0.00)
Posted by Presto on 2020-01-15, 22:12:24 (198.53.157.193)
You can get an autobody finish with MDF if you properly seal the material first. Most primers do not work - the propellants from the sprayer soak into the MDF and the material itself sits on top of th .......
67: Speaker Asylum, I have an idea... (0.00)
Posted by Presto on 2020-01-08, 18:04:10 (198.53.157.193)
That's sad news! I spoke with him on this very forum. If you could take out the driver and photograph the front, side and back and post those pics that would help. Any numbers, of course, as well. If .......
68: Speaker Asylum, RE: "super flattened speaker wire that can be run underneath a rug." (0.00)
Posted by Presto on 2020-01-02, 12:22:45 (198.53.157.193)
A 25 foot run of 8 conductor 22AWG is about $40USD, you'd probably need two. You would parallel 4 conductors two times, for an equivalent gauge of #16AWG which is adequate for surround speakers. Or yo .......
69: Computer Audio Asylum, MiniDSP for active crossover...Anyone using? (0.00)
Posted by Presto on 2019-12-28, 15:48:44 (198.53.157.193)
Hi Gang. Is anyone using a MiniDSP product for active crossover duty? If yes, which model? And... since you likely use PC as a source, how do you get your audio into the Mini? Analog? Digital? Thanks .......
70: Computer Audio Asylum, RE: Monarchy? - NAILED IT thank you so much,sir!! (nt) (0.00)
Posted by Presto on 2019-12-28, 15:07:21 (198.53.157.193)
nt .......
71: Computer Audio Asylum, Can't remember vendors name - Senior members help? (0.00)
Posted by Presto on 2019-12-28, 14:52:39 (198.53.157.193)
Hi gang. I'm looking for a USB to SPDIF box (I know, I know... lol). There was a company that made small, cost effective boxes - tube pre-amps, etc., It was a very esoteric audiophile company that pri .......
72: Speaker Asylum, I re-read Airtime's post... read this, there was a glitch. (0.00)
Posted by Presto on 2019-12-27, 15:47:20 (198.53.157.193)
Read my post here... https://www.audioasylum.com/audio/speakers/messages/36/367332.html Cheers, Presto .......
73: Speaker Asylum, I re-read the instructions here... they're not correct. (0.00)
Posted by Presto on 2019-12-27, 15:40:56 (198.53.157.193)
'To order parts: you will need the entire value of the Lpad, eg 8 ohms. And the value of the resistance you measured between terminals one and two. A Lpad is a voltage divider, like a volume pot. You .......
74: Speaker Asylum, RE: How To Measure Variable L-Pad (0.00)
Posted by Presto on 2019-12-25, 13:45:45 (198.53.157.193)
Apologies, if you know all this - I'm just getting this straight in my head. Here are some L-Pad ratios, for an 8ohm L-Pad: 0.5 db - Rs=0.45, Rp=135 1.0 db - Rs=0.87, Rp=65.6 2.0 db - Rs=1.65, Rp= .......
75: Planar Speaker Asylum, Double Doh! (0.00)
Posted by Presto on 2019-12-23, 21:12:01 (198.53.157.193)
Yeah, that got me too lol. Great minds think alike... :-P Cheers, Presto .......
76: Speaker Asylum, RE: How To Measure Variable L-Pad (0.00)
Posted by Presto on 2019-12-23, 21:10:31 (198.53.157.193)
Sidebar: Are you guys doing these measurements with the L-Pad connected or disconnected? I am assuming disconnected. Not being as @$$, I'd just like to verify the calculations here. Cheers, Presto ::: .......
77: Planar Speaker Asylum, RE: Full-Range ESL Coherence (0.00)
Posted by Presto on 2019-12-21, 20:05:18 (198.53.157.193)
"He approximated this by imagining what the dispersion would be of a perfect point source at a distance of 1m from the radiating element and achieved it by feeding areas of the panel reducing in size .......
78: Planar Speaker Asylum, RE: Full-Range ESL Coherence (0.00)
Posted by Presto on 2019-12-20, 08:27:02 (198.161.101.130)
Wouldn't a panel speaker moreso approximate a line source? As a side note, I've always wanted to test drive a vertical line array... Cheers, Presto .......
79: Speaker Asylum, RE: Not The SR71 (0.00)
Posted by Presto on 2019-12-16, 20:40:19 (198.53.157.193)
Ah, very good information. Many people find the Zaph kit to be very satisfying. You don't like it, so it's either a preference thing or a hearing curve thing. Many people believe if they buy a speaker .......
80: Speaker Asylum, I think you're being too nice. (0.00)
Posted by Presto on 2019-12-08, 22:30:41 (198.53.157.193)
Why don't you just tell us what kit this is? You are simply saying a speaker that you built from a kit has a brightness region in your listening room with your gear. This is HARDLY a 1 star scathing g .......
81: Speaker Asylum, I've never understood why... (0.00)
Posted by Presto on 2019-11-18, 20:13:57 (198.53.157.193)
... speaker DIY upgraders (caps, wiring, etc.) don't do ONE speaker at a time! ;) The human capacity for remembering how something sounded a month ago before you took it apart is, imho, less that some .......
82: Speaker Asylum, Here is why you don't need to worry about it. (0.00)
Posted by Presto on 2019-11-14, 15:49:00 (198.161.101.130)
It's a very slow, gradual change. Differences between listening sessions are going to be infinitesimal. Sure, the designer may well have voiced the crossover to a prototype with well worn in componen .......
83: Speaker Asylum, If you laser-measure your speeks to 1/32" (0.00)
Posted by Presto on 2019-10-24, 21:37:29 (137.186.74.157)
...but don't wear that headgear with the adjustable pins that spinal trauma patients wear... Then you're an audiophile... .......
84: Speaker Asylum, RE: Speakers from a recording studio? (0.00)
Posted by Presto on 2019-10-08, 20:53:06 (137.186.74.157)
Quality studio monitors could well have 15 or 20 more years in them... Speakers wear in interesting ways. Foam surrounds rot or become brittle - that's more decay than wear. Spider assemblies tend to .......
85: Speaker Asylum, Tiny Computer Fan!? E'GADS! (0.00)
Posted by Presto on 2019-09-26, 19:29:49 (137.186.74.157)
Those might be audible on quieter passages. You can't beat good old fashioned plate power! ;) Or 100 pound monoblocks and Marchand active crossovers. ;) Cheers, Presto .......
86: Speaker Asylum, RE: Doubt You'll Find One (0.00)
Posted by Presto on 2019-09-18, 17:22:40 (162.245.214.81)
Rather than reverse engineer... nothing tells the story better than measurement of filtered and unfiltered driver responses! ;) Cheers, Presto .......
87: Speaker Asylum, I used to use... (0.00)
Posted by Presto on 2019-09-11, 19:58:06 (137.186.74.157)
A Toshiba SD-2109 for a source when I was just getting into hi-fi. I got a Saxon CD700 CD player for my main CD source, but meanwhile I got a Toshiba SD-4900 (DVD-A) and a Pioneer DV578-A (SACD) playe .......
88: Speaker Asylum, RE: DCR significance? Location Location Location! (0.00)
Posted by Presto on 2019-09-09, 09:44:05 (162.245.214.81)
You'll get much more mileage doing a crossover layout improvement. Most designers cram inductors on tiny boards, and - at best - use mounting angles to minimize field interference. Moving inductors f .......
89: Speaker Asylum, (+1) the Zaph SR-71 or... (0.00)
Posted by Presto on 2019-09-03, 20:38:47 (137.186.74.157)
... or Try KEF Q350's and see what you think of them. In any case, I'd be considering a sub as well. Cheers, Presto .......
90: Speaker Asylum, Questions (0.00)
Posted by Presto on 2019-08-26, 21:41:45 (137.186.74.157)
Questions: 1. Stands extra? 2. How much tube power, what are output tubes. 3. Willing to use sub? The last question I asked because there are lots of speakers that cost $2000, but there are probably f .......
91: Speaker Asylum, Or maybe.... (0.00)
Posted by Presto on 2019-08-23, 13:15:28 (137.186.74.157)
If you do the math on a startup like this... Hi-fi speaker builders are a niche market, and not going after volume sales. Most speaker builders take them market more-so as a labor of love than a way t .......
92: Speaker Asylum, Yep. Looks like the 4 ohm version of a Peerless 292-0040 (0.00)
Posted by Presto on 2019-08-07, 13:11:23 (162.245.214.81)
The 292-0040 was an 8 ohm tweeter used by the "Allen Organ" company in various models. It's physically identical to the tweeter in the photo, but I can't find the part number of the 4 ohm version. I m .......
93: Speaker Asylum, Well, take a look at them (0.00)
Posted by Presto on 2019-07-14, 14:31:53 (137.186.74.157)
https://www.google.com/search?q=JBL+4319&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjo3q3TqbXjAhVQnp4KHe02BV0Q_AUIECgB&biw=1920&bih=969#imgrc=0hlm-xiLML6d1M: They look to be a reasonably robust level-pad - .......
94: Speaker Asylum, Wonder what the magnetic flux density is... (0.00)
Posted by Presto on 2019-07-01, 22:05:48 (137.186.74.157)
... in the gap. .......
95: Speaker Asylum, There getting excited about they're grammar over their... (nt) (0.00)
Posted by Presto on 2019-07-01, 22:04:33 (137.186.74.157)
nt .......
96: Speaker Asylum, Kef Q350 (nt) (0.00)
Posted by Presto on 2019-06-20, 21:51:14 (137.186.74.157)
-t .......
97: Speaker Asylum, RE: anyone measured excessive top end in JBL 4319? (0.00)
Posted by Presto on 2019-05-31, 10:33:03 (162.245.214.81)
There are mid and treble tone controls. I'd like to see the response curves at min, 0 and max. .......
98: Speaker Asylum, RE: Got it, built it, sold it (0.00)
Posted by Presto on 2019-05-16, 21:55:21 (137.186.74.157)
Okay, good. Please tell us which kit so if we're familiar with it we can get an understanding of which "voice" you found unappealing. Or just an understanding of your sonic preferences in general. And .......
99: Speaker Asylum, RE: Crossover Design Service? (0.00)
Posted by Presto on 2019-05-13, 12:35:41 (162.245.214.81)
Have you considered a kit, where you would build the cabinets and the crossover is pre-designed? Madisound has good kits... there are a couple from Zaphaudio there which many here have purchased and a .......
100: Speaker Asylum, RE: Blown KG4's ? (0.00)
Posted by Presto on 2019-05-11, 15:31:03 (137.186.74.157)
The horn in the kg4 is apparently a k74k-1. (confirm...) If this is the horn, you can buy complete replacements or just the diaphragm and coil assy. and have them repaired. Just search for 'k74k" on e .......
101: Speaker Asylum, RE: Unhygenic Loudspeaker (0.00)
Posted by Presto on 2019-05-09, 09:30:58 (162.245.214.81)
LOL! Good story. I opened a tower case once, at my ex's parents house, to try and trouble shoot a PC that wouldn't boot. Like a dummy, I left the case open. When we took the machine back for warranty .......
102: Speaker Asylum, Are these transient accurate? (0.00)
Posted by Presto on 2019-05-09, 09:28:35 (162.245.214.81)
Aka, are these time/phase coherent? I'd love to see measurements for these... did Stereophile review these? Cheers, Presto .......
103: Speaker Asylum, RE: Stereoplay measurements - interpretation wanted (0.00)
Posted by Presto on 2019-05-08, 09:13:01 (162.245.214.81)
Might be adding the port response in the bottom graph? Getting "accurate" response down below 200Hz is difficult due to room effects. When they supply measurements for loudspeaker components such as w .......
104: Speaker Asylum, RE: driver replacement may require crossover adjustment???!!! (0.00)
Posted by Presto on 2019-04-06, 21:43:03 (104.205.82.66)
Not buying it. ATC would throw drivers in a dumpster rather than make unique crossovers to compensate for driver variations. And companies that employ drivers that are that bad don't care either way. .......
105: Speaker Asylum, RE: If it were me (0.00)
Posted by Presto on 2019-04-05, 16:52:34 (162.245.214.81)
I'd say it's the finest *mid-dome* that exists... it's just that it's not going to be the mid-range of choice for all applications, even if cost is no option. (of course). Staying within the ATC realm .......
106: Speaker Asylum, RE: DIY subwoofer question.....for the amp (0.00)
Posted by Presto on 2019-03-29, 10:45:00 (162.245.214.81)
Sure it's a great idea. That's how I run mine actually. Use good-sized wire if you're running more than a couple of feet. Like 12 ga. or even 10 ga. Cheers, Presto .......
107: Speaker Asylum, RE: Tweets: The rebirth of ferrite magnets . . . (0.00)
Posted by Presto on 2019-03-27, 18:05:10 (104.205.82.66)
I don't know about this... neo is used in some of the most advanced motor designs from Scan Speak (Illuminator series), Accuton and many others and this is top-shelf OEM high-buck stuff for home audio .......
108: Speaker Asylum, RE: I rotated the driver two days ago. (0.00)
Posted by Presto on 2019-03-26, 10:26:32 (162.245.214.81)
Well... It's all speculation at best, because the distortion seeming to resolve itself when the ring-surround is touched could point to a number of different issues. Cone sag is usually self-evident b .......
109: Speaker Asylum, One experiment... (0.00)
Posted by Presto on 2019-03-22, 00:04:43 (104.205.82.66)
Push VERY gently on the top, left side, right side, and bottom of the dome near the suspension (ring around the dome) towards the dome's center. If pressing upward from the 6-o'clock position gives th .......
110: Speaker Asylum, RE: When did you realize your speakers weren't good? (0.00)
Posted by Presto on 2019-03-08, 16:48:29 (104.205.82.66)
When I met some local audiophiles who were also DIY enthusiasts. Got a chance to hear music on some serious front-ends with all kinds of different speakers, some DIY creations, some clones and some re .......
111: Speaker Asylum, RE: simple audio interface? (0.00)
Posted by Presto on 2019-03-05, 13:59:50 (162.245.214.81)
Simple: Purchase or build an unbalanced to balanced "adapter" cable. From "Rane Note 110 - Sound System Interconnection" (17) RCA to XLR, or (18) RCA to TRA (Tip, Ring Sleeve aka '1/4" balanced') C .......
112: Speaker Asylum, RE: Any 2-Way DIY Projects Using Fostex FF85WK (0.00)
Posted by Presto on 2019-02-21, 14:42:09 (162.245.214.81)
I've always wanted to try them... just because they are "different"... The few Zaph has tested do not yield very good distortion results... There are much better dedicated mids I think, for the money. .......
113: Speaker Asylum, RE: Any 2-Way DIY Projects Using Fostex FF85WK (0.00)
Posted by Presto on 2019-02-17, 20:42:47 (104.205.82.66)
Tubay: I understand the appeal of 3.5" drivers for high-end extension and higher reach of the off-axis response (beaming starts much higher up). However, once you go into a 2-way design, you've just c .......
114: Speaker Asylum, RE: refoam problem (0.00)
Posted by Presto on 2019-02-10, 22:56:58 (104.205.82.66)
Interesting. I guess it depends on whether the VC is striking the pole piece or the top plate. ;) I never push cones on one side anyways. Except for maybe aluminum or magnesium... Cheers, Presto ::: .......
115: Speaker Asylum, RE: Has Anyone Using The Eminence Alpha 15A In OB (0.00)
Posted by Presto on 2019-02-10, 15:30:27 (104.205.82.66)
There is nothing wrong at all with using braces to apply a counter-force to the mounting hardware, thus putting the frame under tension. If you want a neat real-life application, ask a structural engi .......
116: Speaker Asylum, RE: refoam problem (0.00)
Posted by Presto on 2019-02-10, 15:22:52 (104.205.82.66)
If you're going to use gravity induced cone-sag to your advantage... wouldn't you put the side where pushing caused contact downward .? I would use a signal on this drive unit, for sure. Cheers, Prest .......
117: Speaker Asylum, RE: So I reversed the polarity from amp to speakers (0.00)
Posted by Presto on 2019-02-06, 08:41:06 (162.245.214.81)
It gets even better... With multi-mic recording sound stages, apparently you can have different mic mixers - some inverting, some not. So you don't even have consistent polarity within the same recor .......
118: Speaker Asylum, No Wife, Happy Life!! :) -nt (0.00)
Posted by Presto on 2019-01-12, 14:25:19 (104.205.82.66)
nt .......
119: Speaker Asylum, RE: new speaker from Duntech: Senator (0.00)
Posted by Presto on 2018-12-06, 21:29:10 (104.205.82.66)
I really like their design criterion. And I like they've gone with sealed to get there instead of trying to get super low bass response. Been a while since I've seen ad copy that makes me want to go .......
120: Speaker Asylum, Don't rule out a wax plug in one ear. (0.00)
Posted by Presto on 2018-11-22, 22:37:30 (104.205.82.66)
I know "get your hearing checked" borders on insult for a 'phile, but I had this happen. My sound-stage was doing wacky things, and nothing I could do short of extreme measures like turning my head co .......
121: Speaker Asylum, There might be a woofer... (0.00)
Posted by Presto on 2018-11-04, 01:53:13 (104.205.82.66)
... that will fit the bill for less money. Did they give you a part number for that NOS woofer? I'd love to know what it is! Did you ask them if they'd give you a deal if you bought all four? Those d .......
122: Speaker Asylum, Can't find info on woofer. Pic would help... numbers... (nt) (0.00)
Posted by Presto on 2018-11-02, 08:38:13 (162.245.214.81)
nt .......
123: Speaker Asylum, Mids might be available NOS (0.00)
Posted by Presto on 2018-11-01, 22:13:10 (104.205.82.66)
MCA11FC http://www.seas.no/images/stories/vintage/pdfdataheet/h143.pdf .......
124: Speaker Asylum, RE: Snell Type A III restoration advise please (0.00)
Posted by Presto on 2018-11-01, 15:44:34 (162.245.214.81)
If there are no re-cone kits available you can't use "generic" parts because there is no such thing. The re-coned speaker will behave differently electrically and mechanically, and thus acoustically. .......
125: Speaker Asylum, Four identical monoblocks for the win!! :-D (nt) (0.00)
Posted by Presto on 2018-11-01, 15:35:41 (162.245.214.81)
nt .......
126: Speaker Asylum, 56u is in series in the midrange circuit... (nt) (0.00)
Posted by Presto on 2018-10-29, 08:35:36 (162.245.214.81)
nt .......
127: Speaker Asylum, RE: Is a 56u/350v cap for 56u/63v critical? (0.00)
Posted by Presto on 2018-10-29, 08:34:45 (162.245.214.81)
I'll have to revisit the schematic when I get home tonite. I am not sure those larger caps (oil filled?) are the answer for the 2.2 and 4.7. Replacing the 56u is a no-brainer - it's in series in the m .......
128: Speaker Asylum, WOW! A very bold DIY effort indeed! (0.00)
Posted by Presto on 2018-10-27, 18:38:04 (104.205.82.66)
I think that midrange cap you replaced with the Mundorf is critical. I like the clear plate on stand-offs... very creative! So which caps do the brown monsters replace, what are their specs? What type .......
129: Speaker Asylum, RE: Focal SW900 subwoofer "pops" :-/ (0.00)
Posted by Presto on 2018-10-13, 12:36:47 (104.205.83.224)
My sub amp has a bit of a pop (kind of like a "click") when it turns on/off. I think the turn off might actually be a bit more prominent. I don't think it means anything... capacitor discharge perhaps .......
130: Speaker Asylum, Agreed. That 60V 53u in the mid filter is just... sad (nt) (0.00)
Posted by Presto on 2018-10-07, 21:52:13 (104.205.83.224)
nt .......
131: General Asylum, Bad Corporate Citizen. Good Riddance. (nt) (0.00)
Posted by Presto on 2018-10-07, 15:13:13 (104.205.83.224)
nt .......
132: Speaker Asylum, RE: 927be crossover mods - all kinds of neat options (0.00)
Posted by Presto on 2018-10-05, 09:31:48 (162.245.214.81)
Check these out... If I owned those speakers, I'd drop $108 dollars on these 56u caps in a heartbeat. https://www.madisoundspeakerstore.com/mundorf-mcap-evo-oil-caps/mundorf-56mfd-evo-oil-capacitor/ T .......
133: Speaker Asylum, RE: Electra 927be distorts - Don't jump the gun! (0.00)
Posted by Presto on 2018-10-04, 23:00:13 (104.205.83.224)
Interesting. I wasn't even close lol. (Of course, I was guessing without seeing the back of the PCB). Tweeter series caps are 2.7u and 4.7u. Mid series cap is the 56. (The 2.2u is in parallel) The 220 .......
134: Speaker Asylum, RE: Electra 927be distorts - Don't jump the gun! (0.00)
Posted by Presto on 2018-10-04, 09:06:45 (104.205.83.224)
For a definitive answer I need a photo of the back of the board. But here is what I think is going on. C1/L1 - tweeter highpass 2nd order unless C5 is involved. (C3/L4)+C2 - midrange highpass 3rd orde .......
135: Speaker Asylum, RE: Electra 927be distorts - Don't jump the gun! (0.00)
Posted by Presto on 2018-10-03, 14:35:05 (104.205.83.224)
Are both crossovers identical? Or are there two distinct capacitor sizes for two caps in the same position (connection) across speakers? Or are you assuming that the cap is mis-sized? Aka, what are yo .......
136: Speaker Asylum, Not ones... (0.00)
Posted by Presto on 2018-09-25, 14:07:15 (162.245.214.81)
...who build 2-way stand-mounts with no baffle step compensation leaving owners to erroneously believe that a subwoofer is the cure for their anemic bass problem. (1st mistake) The owner then goes on .......
137: Speaker Asylum, RE: It did in my JBLs (0.00)
Posted by Presto on 2018-09-21, 09:36:23 (162.245.214.81)
Cool! I believe the "more punch" comes from better damping factor due to lowering the series resistance of the speaker/filter combo. The most impressive transformation I've heard with pro-sound driver .......
138: Speaker Asylum, Bass response... minimal... but... (0.00)
Posted by Presto on 2018-09-18, 20:56:11 (104.205.83.224)
...it may have an audible affect on the amplifier's damping factor. Damping factor is inversely correlated with series resistance. A drop of 0.35 ohms DCR is akin to a considerable increase in wire ga .......
139: Speaker Asylum, Yeah... Dayton might do it (0.00)
Posted by Presto on 2018-09-11, 07:57:31 (162.245.214.81)
https://www.parts-express.com/dayton-audio-dmpc-100-100uf-250v-polypropylene-capacitor--027-447 100u 250V $32. I know you said 20, it's a $24 price difference. Cheers, Presto .......
140: General Asylum, Carve a nice pair of one-piece stand mount speakers! (nt) (0.00)
Posted by Presto on 2018-09-01, 15:03:25 (104.205.83.224)
nt .......
141: General Asylum, Holy Schiit!! :) nt (0.00)
Posted by Presto on 2018-09-01, 14:52:01 (104.205.83.224)
nt .......
142: Speaker Asylum, RE: That means, in the case of a SS amp.... (0.00)
Posted by Presto on 2018-08-31, 21:36:58 (104.205.83.224)
There is more current coming from the amp... and ALL of that extra current is the extra current flowing in the 12 ohm resistor. The current flowing in the tweeter is exactly the same with or without t .......
143: Speaker Asylum, Or maybe the question is just wrong... ;) (0.00)
Posted by Presto on 2018-08-31, 21:33:46 (104.205.83.224)
There is no need to match low and high pass filter driver impedance. Cheers, Presto .......
144: Speaker Asylum, You don't need to "make" the 6 ohm tweeter into a 4 ohm tweeter (nt) (0.00)
Posted by Presto on 2018-08-31, 17:22:08 (162.245.214.81)
nt .......
145: Speaker Asylum, RE: Sensitivity is unchanged but the efficiency is reduced by 1.8dB (0.00)
Posted by Presto on 2018-08-31, 14:19:03 (104.205.83.224)
For a given voltage 2/3 of the power delivered is dissipated in the tweeter and 1/3 of the power delivered is dissipated in the 12 ohm resistor. So after the 12 ohm resistor is added the tweeter only .......
146: Speaker Asylum, RE: Simple question, simple anwer? (0.00)
Posted by Presto on 2018-08-30, 11:25:52 (162.245.214.81)
Ivan: What is the sensitivity of the midbass drivers? Give us some part numbers... maybe we can narrow this down for you. At the end of the day, the best way is to measure. Drivers in an MTM give you .......
147: Speaker Asylum, RE: Curious: What's the application? (0.00)
Posted by Presto on 2018-08-27, 14:52:09 (162.245.214.81)
You're choosing the LE8T to replace an existing LE8T? Or is the original driver different? What is the original design? It's easier to find a driver that will work for your design, rather than variati .......
148: Speaker Asylum, Discontinued, but you can find them... (0.00)
Posted by Presto on 2018-08-27, 09:40:47 (162.245.214.81)
https://www.ebay.com/itm/JBL-LE8T-H-FULL-RANGE-SPEAKERS-PAIR-1/273415563073?hash=item3fa8d66741:g:0VMAAOSwh1paEQP7 Note: these have been refoamed. Cheers, Presto .......
149: Speaker Asylum, RE: Curious: What's the application? (0.00)
Posted by Presto on 2018-08-27, 09:38:12 (162.245.214.81)
B&C makes a really nice 8" mid... https://www.parts-express.com/pedocs/specs/294-652--8pe21-spec-sheet.pdf It's not quite 200-8K though. More like 300 to 5k or so... Cheers, Presto .......
150: Speaker Asylum, RE: Examples please...... ? nt (0.00)
Posted by Presto on 2018-08-27, 09:24:14 (162.245.214.81)
Fostex F200A https://solen.ca/wp-content/uploads/f200a.pdf Seas exotic full range... goes out to 20k, alnico magnet with copper ring on motor. https://www.parts-express.com/bc-8pe21-8-midrange-speake .......
151: Speaker Asylum, I've thought about a variation of this... (0.00)
Posted by Presto on 2018-08-26, 13:02:44 (104.205.83.224)
Instead of mechanized adjustability (which could cost into the tens of thousands...) you simply by two sets of the same speaker. With a sufficiently sized room, you set up the speakers in a mirror ima .......
152: Speaker Asylum, Curious: What's the application? (0.00)
Posted by Presto on 2018-08-26, 12:57:42 (104.205.83.224)
Mid? Midbass? Fullrange? Is this a DIY mission or a direct replacement? If it's not a direct replacement, there are some real "gems" out there in the prosound world that are more modern and available. .......
153: Speaker Asylum, RE: Could Someone Who Understands (0.00)
Posted by Presto on 2018-08-21, 14:20:29 (162.245.214.81)
Assuming your T/S parameters of the driver match factory specs (they don't always)... Your 1.2 cubic foot box with a 4" x 1.8" dia port is tuned to about 33 hz. You should be shooting for a 1.7" x 1.8 .......
154: Speaker Asylum, RE: The evidence is in the hearing (0.00)
Posted by Presto on 2018-08-20, 14:28:16 (162.245.214.81)
I'm not privy to the design philosophy of the Tannoy speakers, but in general, coaxial drivers are not necessarily time/phase coherent aka "transient accurate" despite being coincidental and even "tim .......
155: Speaker Asylum, RE: ? (0.00)
Posted by Presto on 2018-08-16, 23:59:18 (104.205.83.224)
No, I was being sincere. I never thought to use the high-pass filter from a plate amp. Now WOULD I? In a pinch, or for some demo, or for lack of a better option, but would I take my pre-amp signal, ru .......
156: Speaker Asylum, RE: you guys amuse me... (0.00)
Posted by Presto on 2018-08-16, 21:11:45 (104.205.83.224)
I'm not so sure... I've been doing his hobby many years and have hooked up subs a half-dozen different ways and configurations but I've never taken the high-pass pre-outs from the plate back to an amp .......
157: General Asylum, RE: U.S. Recorded Music Revenues by Format (0.00)
Posted by Presto on 2018-08-09, 10:21:27 (162.245.214.81)
Yes, and if you click on SACD and DVD-A individually, you have to zoom in very close just to be able to click on the line, it's so thin. Sales for SACD and DVD-A are about 100K (0.1M) for each in the .......
158: Speaker Asylum, Hey thanks for that! (0.00)
Posted by Presto on 2018-08-02, 22:00:56 (104.205.83.224)
Brian: That was a great read full of great history. It's too easy to think of Scan Speak as a company when it's really a handful of genius engineers and designers (and craftsmen) who made these world- .......
159: General Asylum, GASP!! Do you mean.... (0.00)
Posted by Presto on 2018-07-30, 22:16:21 (104.205.83.224)
...that on the outside... There are others? .......
160: Speaker Asylum, RE: Woofer for Unity Audio Signature Pyramids (0.00)
Posted by Presto on 2018-07-30, 22:07:23 (104.205.83.224)
Well... It looks like a Vifa, which was bought out by Peerless. Peerless was bought out by Tymphany which also bought out Scan Speak. In any case, if you don't have any luck with the (excellent) lead .......
161: Speaker Asylum, RE: ESP Bodhran Crossover problems need schematics (0.00)
Posted by Presto on 2018-07-29, 16:19:37 (104.205.83.224)
I use metal oxide in most cases. Available here at Solen in Canada as "Lynk" brand, https://solen.ca/product-category/resistors/lynk-metal-oxide-resistors/ Available here (brand is Mundorf) at Madisou .......
162: Speaker Asylum, RE: Seriously? (I happen to agree) (0.00)
Posted by Presto on 2018-07-28, 16:44:42 (104.205.83.224)
Yeah... electrical tape falling off, what looks like masking tape pressed over various connections. Can't tell where the heatsink grease ends and the white silicon caulking begins. Just gross. I'd reb .......
163: Speaker Asylum, If you want seamless integration... (0.00)
Posted by Presto on 2018-07-26, 21:31:26 (104.205.83.224)
Then using unique speakers for mains, center, surrounds, etc. is the last thing you want to do. Not trying to rain on your parade, but you did use the term "seamless integration". Cheers, Presto ::: .......
164: Speaker Asylum, RE: Question about sound and full range speakers (0.00)
Posted by Presto on 2018-07-15, 23:56:55 (104.205.83.224)
Hey, no sweat Gonzo. Don't be "subphobic"! Try it at least once. Many inmates have had really good success with subs and can offer sound input. And you don't need to break the bank for decent sub perf .......
165: Speaker Asylum, RE: Question about sound and full range speakers (0.00)
Posted by Presto on 2018-07-14, 15:17:09 (104.205.83.224)
Q1: I looked on line for charts showing the frequency range of musical instruments and the human voice. Other than the organ and piano, at least for acoustic instruments , all the others are > the ~30 .......
166: Whiner's Woad, But... but.... Doctor Habubu saved my marriage! For real! :P (nt) (0.00)
Posted by Presto on 2018-07-10, 08:43:54 (162.245.214.81)
-t .......
167: Speaker Asylum, +1 - This should be the first step... (0.00)
Posted by Presto on 2018-06-29, 20:39:54 (108.181.37.211)
I just like playing NAME THAT DRIVER!!! lol. Good luck my friend. .......
168: Speaker Asylum, RE: Speaker Replacements for Thiel cs 1.5s (0.00)
Posted by Presto on 2018-06-26, 09:24:56 (162.245.214.81)
Travis: Sorry, I'm not a vendor or collector. I'm just an enthusiast and DIYer who has spend an inordinate amount of time looking at various OEM drivers and components over the years. The damaged woof .......
169: Speaker Asylum, RE: Speaker Replacements for Thiel cs 1.5s (0.00)
Posted by Presto on 2018-06-23, 21:56:19 (108.181.37.211)
Hello: This looks like a Seas drive unit. 6 holes, and based on the tweeter diameter, it looks like an 18cm format. Googling the Thiel 1.5s led to an image of damaged drivers - the cone is metal, and .......
170: Speaker Asylum, Actually... speed is dependent on frequency AND excursion. (0.00)
Posted by Presto on 2018-06-15, 23:07:09 (108.181.37.211)
It depends on the excursion of each driver (Xo to Xpeak) at the given SPL and frequency. For two different drivers and a given frequency, you can make the SPL the same (excursion will differ) or make .......
171: Speaker Asylum, All of my passive 3-way speakers are tri-wired. (0.00)
Posted by Presto on 2018-06-07, 15:57:24 (162.245.214.81)
ha. Made you look. ;) -Presto .......
172: Computer Audio Asylum, An Alternative VST Solution... (0.00)
Posted by Presto on 2018-06-06, 22:10:32 (75.159.63.136)
This post may be of interest for those of you running VST DSP plugins. I'll jump to the "what it is". I've set up the following playback chain in a VST Host called sinmply "VST Host" in Windows 10. I .......
173: Speaker Asylum, RE: Do You See Areas Of Irritation? (0.00)
Posted by Presto on 2018-05-27, 21:40:56 (75.159.63.136)
Well...the crossover region looks nice. The suckouts on either side of it... not so much. Especially troubling is the different in SPL from 5k to 8k. A suckout then a hump... Are these OEM drivers? I .......
174: Speaker Asylum, RE: Check out this 2-way (fullrange/woofer) by Paul Carmody (0.00)
Posted by Presto on 2018-05-14, 22:13:10 (75.159.63.136)
Neat design! Never see that one before... I used to daydream about a Fostex based system - a full-ranger and maybe a 12" woofer boosting up the low end. Never done anything with horn loaded bass cabin .......
175: Speaker Asylum, RE: speaker systems (0.00)
Posted by Presto on 2018-05-14, 21:59:12 (75.159.63.136)
How loud are you going to play this system? The 2445H is good down to 500 with a 12db/octave (2nd order) highpass filter. It can handle 100W at 500Hz, or 150W at 1000Hz. Stretching it down to 400 coul .......
176: Speaker Asylum, Many audiophiles... (0.00)
Posted by Presto on 2018-05-10, 10:50:44 (162.245.214.81)
Have gone towards sub-satellite systems and never looked back. Smaller speakers on stands have some distinct advantages. So what gives? .......
177: Speaker Asylum, RE: Some "fullrange" drivers don't need no stinkin' supertweeter! (0.00)
Posted by Presto on 2018-05-08, 21:41:25 (75.159.63.136)
Brian: This is a very good point... and, not all full-rangers are created equally. You have some small format midrange/midbass units that can reach out to 20k... and that's part of the 20hz-20khz old .......
178: Speaker Asylum, RE: Crossover Points and Augmented Wideband Speakers (0.00)
Posted by Presto on 2018-05-08, 08:07:44 (162.245.214.81)
Interesting comments so far! I have always liked the idea of an "augmented full range" but, really, it's a variant of a three-way speaker! ;) Of course, the big factor is spacing of the tweeter at hig .......
179: Speaker Asylum, RE: Speaker Placement & Recommendation (0.00)
Posted by Presto on 2018-05-05, 10:59:35 (75.159.63.136)
That's a good distance into the room - anything is better than against the wall unless the speakers have some design element that wants them to be there... I've always wondered about the "off the wall .......
180: Speaker Asylum, RE: Zaph's design notes were a big plus for me (0.00)
Posted by Presto on 2018-05-03, 09:22:11 (162.245.214.81)
Yes, his design notes are so concise that I think a DIYer would benefit from getting one of his kits and combining design theory with his design notes and refinements. Once a person has the basics of .......
181: Speaker Asylum, RE: Has anyone tried this? (0.00)
Posted by Presto on 2018-05-03, 09:10:53 (162.245.214.81)
Create a bug then try to fix it? No... it's not a good use of one's time. The SDA SRS 2.3 have a more sensible layout which starts to approximate a vertical line array, but with an "MTM" twist (horizo .......
182: Speaker Asylum, RE: Nice observation (0.00)
Posted by Presto on 2018-05-02, 22:13:43 (75.159.63.136)
She likes the sleeves hey? How much for the records? ;) Hey... happy wife, happy life! :P Cheers, Presto .......
183: Speaker Asylum, RE: Here's the rest of the Review ... (0.00)
Posted by Presto on 2018-05-01, 22:14:36 (75.159.63.136)
Feanor: Thanks for sharing this review! Congrats on your excellent build! I really want to get this kit and finally hear how Zaph's voicing sounds compared to his response curves and descriptions. Few .......
184: Speaker Asylum, RE: Speaker Placement & Recommendation (0.00)
Posted by Presto on 2018-04-30, 21:01:10 (75.159.63.136)
Question: How far (practically) can the speakers be from the wall when positioned on either side of the credenza? Cheers, Presto .......
185: Speaker Asylum, I'll see your pedantics... (0.00)
Posted by Presto on 2018-04-25, 08:14:42 (162.245.214.81)
And raise you a propeller beanie! ;) He said: "two 4-inch Totem Torrent drivers with no crossover" He was referring to the specific midbass drivers, and not the entire speaker system. So, his statemen .......
186: Speaker Asylum, RE: Nice sounding DIY speakers (0.00)
Posted by Presto on 2018-04-21, 16:22:31 (75.159.63.136)
Interesting... I always thought that particular tweet was about 4" in diameter and here it's more like 7"!! When someone said that was a large midbass to couple with a non-dome I thought, WHAT? It's a .......
187: Speaker Asylum, RE: Car Audio (0.00)
Posted by Presto on 2018-04-21, 16:15:13 (75.159.63.136)
I have a 2015 Accord Touring and the factory sound system is more than enough for me. I don't really expect or need audiophile quality sound while driving, and the system in that car exceeds my expect .......
188: Speaker Asylum, RE: Best subwoofer hookup (0.00)
Posted by Presto on 2018-04-18, 22:33:07 (75.159.63.136)
Speaker level connection is probably best, but I've always used pre-out. If you're going to do speaker level, run regular speaker cables amp to speakers and "tap off" off the amp (if amp has dual term .......
189: Speaker Asylum, RE: speaker volume automaximizes (0.00)
Posted by Presto on 2018-04-17, 12:25:37 (162.245.214.81)
Windows 7 is not so bad. I had the audio stack in XP quite well understood and the changes in 7 are not all that intuitive. Knowing you had a pure non-resampled bitstream seemed a lot easier in XP onc .......
190: Speaker Asylum, Yes, PC Audio guys here might know... (nt) (0.00)
Posted by Presto on 2018-04-15, 15:56:42 (75.159.63.136)
nt .......
191: Speaker Asylum, Well, seeing as how I'm already mad... (0.00)
Posted by Presto on 2018-04-14, 17:01:57 (75.159.63.136)
I second this post! ;) Besides. Speakers the size of computer speakers can often throw a crazy image but nobody ever knows it because they put them on a desk, on either side of a screen, and never on .......
192: General Asylum, Ron and Rod (0.00)
Posted by Presto on 2018-04-06, 19:05:48 (75.159.63.136)
Cut it out. Both of you. ;) Presto .......
193: Speaker Asylum, Good idea with one caveat... (0.00)
Posted by Presto on 2018-04-04, 17:51:17 (75.159.63.136)
Although small variations in cabinet baffle dimensions and driver offset won't make an entirely new sounding speaker, these metrics will have an affect on frequency response & dispersion characteristi .......
194: Speaker Asylum, RE: "Draping" my speakers (0.00)
Posted by Presto on 2018-04-03, 17:28:01 (75.159.63.136)
The design idea is good... for bracing up flimsier cabinets - but it doesn't have to look ugly. If you do nice mitre joints with a veneered plywood, then you only have to cover the edge of the plywood .......
195: Speaker Asylum, I second this, and... (0.00)
Posted by Presto on 2018-03-30, 15:38:51 (75.159.63.136)
I think you can still buy the tweeters if this model of speaker did indeed use the standard version and not a specialized OEM version... I was looking at both versions (ferrofluid and non-ferrofluid) .......
196: Speaker Asylum, RE: Klipsch KA1000 THX subwoofer amp? (0.00)
Posted by Presto on 2018-03-29, 23:30:30 (75.159.63.136)
Good observation on the ported Klipsch boxes. What's the driver in your DIY sub? Have you looked for other drivers that can perform in your DIY ported box? What do you mean by articulation? What frequ .......
197: Speaker Asylum, RE: Klipsch KA1000 THX subwoofer amp? (0.00)
Posted by Presto on 2018-03-29, 09:29:05 (162.245.214.81)
Just be careful that the amp doesn't include equalization for that specific type of subwoofer that could have negative effects with the sub you want to use. I.e., if it has equalization for a sealed b .......
198: Computer Audio Asylum, RE: Digital Content vs CDs and Vinyl (0.00)
Posted by Presto on 2018-03-23, 19:29:16 (75.159.63.136)
I think the resurgence of vinyl for most youngins is just part of hipster pop culture with perhaps a few genuine 'philes in there. Who knows, maybe they use a gramophone to play them too... because, w .......
199: Speaker Asylum, Ah, (0.00)
Posted by Presto on 2018-03-23, 16:36:39 (162.245.214.81)
By age I thought you meant "degraded performance" rather than out-dated per se. Yeah, if they're working properly I would not muck with the voicing unless you have the DIY/measurement experience to pu .......
200: Speaker Asylum, RE: Tweeter update for KEF Reference 107/2 (0.00)
Posted by Presto on 2018-03-22, 20:28:39 (75.159.63.136)
You basically have three possibilities: 1. Find that tweeter, new old stock. $5 (with KEF) says it's not an off the shelf OEM, but hey. Maybe I'm wrong. 2. Find a replacement "moving parts" kit for th .......
201: Speaker Asylum, Congrats! Another happy Zaph DIY project! (0.00)
Posted by Presto on 2018-03-13, 14:06:57 (162.245.214.81)
I really need to get a kit of Zaph's just hear how he voices his designs. The guy is a DIY rock star. I love how he provides the detailed "step by step" of his thought and design process, with individ .......
202: Speaker Asylum, RE: Speakers sound out of phase when connecting to woofers (0.00)
Posted by Presto on 2018-03-11, 14:41:35 (75.159.63.136)
If you don't plan to bi-wire or bi-amp, I'd solder the high and low pass circuits to the same pair of terminals. As in, with a properly done solder connection. This way there is no more "connector plu .......
203: Speaker Asylum, Masonry... (0.00)
Posted by Presto on 2018-03-08, 22:08:59 (75.159.63.136)
...has been the subject of many DIY speaker projects. The concrete "bass" enclosure is often spoken of. Check out this creation: .......
204: Speaker Asylum, RE: Pssst! Wanna see some naked speaker pics? (0.00)
Posted by Presto on 2018-03-01, 00:38:56 (75.159.63.136)
That veneer! It looks phenomenal even unfinished. I can almost smell it... What kind of wood is that? And what kind of speakers? I miss my DIY days... too busy with kids now. :[ Cheers, Presto ::: TOP .......
205: Speaker Asylum, RE: Perhaps the adjective you seek is... (0.00)
Posted by Presto on 2018-02-18, 21:42:32 (75.159.63.136)
Yes, and if the tweeter is stealing the show, it could mean that the perceived suck out in the mids is not really there, but a result of the brightness... .......
206: Speaker Asylum, RE: Top/bottom is insufficient: need direction of wind too (nt) (0.00)
Posted by Presto on 2018-02-18, 21:40:49 (75.159.63.136)
If they are factory replacements, should not all the coils be wound in the same direction? Aka, would not each coil be identical? The only time I've repaired tweeters was with drop-in assemblies that .......
207: Speaker Asylum, RE: Trying out some new speakers and having trouble explaining what i dont like about them... (0.00)
Posted by Presto on 2018-02-18, 21:37:37 (75.159.63.136)
Questions for you: 1. Is your room more live (bare floors, bare walls, etc.) or neutral or more dead (carpets, drapes, etc.). 2. Are these metal dome tweeters? 3. How far are the speakers from the bac .......
208: Speaker Asylum, RE: Question: How do different designed loudspeakers... (0.00)
Posted by Presto on 2018-02-17, 18:24:52 (162.245.214.81)
The biggest lies we're told in high-end audio is: "If you spend enough, and tweak enough you can achieve CORRECT depth and placement of instruments within the soundstage!" Systems cannot pinpoint a so .......
209: Speaker Asylum, Here's a dumb question (and perhaps, your answer) (0.00)
Posted by Presto on 2018-02-17, 18:06:09 (162.245.214.81)
Did you disassemble both tweeters yet? If you didn't, you might be able to easily get the polarity figured out. Study the connections to the coil and see if you can tell whether they connect to the to .......
210: Speaker Asylum, That's simply awesome. (0.00)
Posted by Presto on 2018-02-08, 17:39:32 (75.159.63.136)
That's the best one I've ever used. Doesn't give you pretty 3D graphical displays but instead all of the information you need! Love the tone feature, except it's common to hear the 2nd harmonic for th .......
211: Speaker Asylum, RE: Bass Response (0.00)
Posted by Presto on 2018-02-08, 15:20:36 (162.245.214.81)
Yes, the odd guy has that perfectly symmetrical room. Funny thing, perfect symmetry might be good for imaging but it's probably not optimum for base modes! I too have the dreaded one-wall-is-open lis .......
212: Speaker Asylum, RE: Bass Response (0.00)
Posted by Presto on 2018-02-08, 09:59:03 (162.245.214.81)
These two come to mind... I believe I remember a different one with even more impressive graphics - being able to visualize is somewhat of a rare opportunity with audio! ;) http://www.bobgolds.com/Mod .......
213: Speaker Asylum, RE: Bass Response (0.00)
Posted by Presto on 2018-02-07, 16:04:33 (162.245.214.81)
I like your entire post! Great stuff in there, especially about the importance of knowing your room at low frequencies. Room is everything down there, for sure. Calculating room modes is fun stuff and .......
214: Speaker Asylum, RE: Bass Response (0.00)
Posted by Presto on 2018-02-06, 09:14:09 (162.245.214.81)
Ratings are relatively meaningless if you don't know the standards (if any) which they are measured to. As other mentioned, there are different "points" on a response curve where they state low-end ro .......
215: Speaker Asylum, RE: WOW! The one piece of kit I seriously want to own. (0.00)
Posted by Presto on 2018-02-03, 23:15:52 (75.159.63.136)
Thank you very much for that excellent synopsis. "I am compelled to admit that this piece of gear has made me reconsider my opinions and bout digital to analog equipment." That is quite the endorsemen .......
216: Speaker Asylum, WOW! The one piece of kit I seriously want to own. (0.00)
Posted by Presto on 2018-02-02, 20:55:12 (75.159.63.136)
You use the MiniDSP? COOL! Can I ask some questions? What was it like to configure, how long have you had it, and what do you like best about it? I want to get away from PC-based DSP and the MiniDSP i .......
217: Speaker Asylum, Here's a radical idea. (0.00)
Posted by Presto on 2018-02-02, 20:52:27 (75.159.63.136)
Save the center channel money, put it towards "main" speakers and set your HT receiver to "None" for center channel. This pipes the center channel info equally to both mains. If you have two mains wor .......
218: Speaker Asylum, RE: A heretical proposal: multi-amped horn speakers - group delay (0.00)
Posted by Presto on 2018-02-02, 17:57:20 (162.245.214.81)
Brian: This is a very good idea, except there are some caveats and drawbacks. First off, time-delays alone are not sufficient to "repair" the group delay issue with non-transient accurate acoustic res .......
219: Speaker Asylum, Well, one last thing to check... (0.00)
Posted by Presto on 2018-02-02, 12:14:41 (162.245.214.81)
I would check the pinouts used for the XLR to RCA cable. Not all XLR to RCA "adapter" cables are wired the same. See Rane Note 110 "Sound System Interconnection" Your cable should either be a "Type 4" .......
220: Speaker Asylum, Sorry, that should have read "I have a silly question". -t (0.00)
Posted by Presto on 2018-01-31, 21:33:05 (75.159.63.136)
-t .......
221: Speaker Asylum, Silly Question (0.00)
Posted by Presto on 2018-01-31, 14:00:15 (162.245.214.81)
Does the sub amp have it's own level control? .......
222: General Asylum, RE: Grammies (0.00)
Posted by Presto on 2018-01-31, 10:01:53 (162.245.214.81)
I don't watch ANY award shows anymore. I really don't like movie stars and singers preaching their politics at me when they don't even live in the real world. Worse is when all of the has-beens come o .......
223: Speaker Asylum, Depends on price point (0.00)
Posted by Presto on 2018-01-30, 09:36:08 (162.245.214.81)
Many would likely try to spread the money evenly. If I had $10K to go system shopping I would put $1K-$1.5K into the source (if it's digital), $2.5K into a nice integrated tube amp and the rest into s .......
224: Speaker Asylum, I keep hearing Mike Meyers say "Oh, BEHAVE!!" -t (0.00)
Posted by Presto on 2018-01-29, 11:50:26 (162.245.214.81)
-t .......
225: Speaker Asylum, RE: What to Buy with 3K Budget (0.00)
Posted by Presto on 2018-01-26, 19:43:41 (75.159.63.136)
You clearly have this well thought out. I have one and only one recommendation: Make sure your new receiver has (at a minimum) stereo pre-outs. This allows you to experiment with a separate 2-channel .......
226: Speaker Asylum, RE: vintage speakers vs modern (0.00)
Posted by Presto on 2018-01-25, 11:53:08 (162.245.214.81)
My buddy has some vintage speakers - one pair of acoustic suspension come to mind, as they sound excellent. There are some issues with dropping 3-4K on used vintage speakers: 1. They're 30-40 years ol .......
227: Speaker Asylum, RE: Speaker selection help (0.00)
Posted by Presto on 2018-01-19, 10:46:38 (162.245.214.81)
Sorry, I am confused. Are you replacing the mids in hopes of improving the sound? Are the mids in the CV's blown? I agree with the other poster - fix the woods and use tone controls. The biggest myth .......
228: Speaker Asylum, RE: Setting high and low pass filters in 2.1 setup (0.00)
Posted by Presto on 2018-01-14, 12:45:49 (75.159.63.136)
What is the make and model of your front speakers? And the sub? .......
229: Speaker Asylum, RE: Why are most Subwoofers Powered? (0.00)
Posted by Presto on 2018-01-12, 10:04:51 (162.245.214.81)
Frying voice coils out of subwoofers is not necessarily a sign of "too much power" but it's probably more likely a sign of the amp clipping due to too much current demand out of the amp. I have run c .......
230: Speaker Asylum, RE: Is carpeting good for sound? (0.00)
Posted by Presto on 2018-01-06, 16:52:01 (75.159.63.136)
My personal take is that if you have bare walls and ceiling, you're going to want - at a minimum - a low pile carpet or a good percentage of the floor covered with throw rugs. Most people using rugs w .......
231: Speaker Asylum, Actually... it may not be so wacky after all. (0.00)
Posted by Presto on 2017-12-31, 15:09:48 (162.245.214.81)
Actually, in your case... There is the possibility that the Reference 3A midbass could be converted to a sealed box. Then, you could dial in a sub (or pair of stereo woofer cabinets) to combine with t .......
232: Speaker Asylum, RE: wacky idea? (0.00)
Posted by Presto on 2017-12-29, 23:40:48 (75.159.63.136)
It's a wacky idea and it won't work. You can't "vectorally sum" a bunch of subjective things you like about three different speakers. The best you can do is find a highly competent guru/designer and h .......
233: Speaker Asylum, RE: Loudspeaker tweaks. What have you tried? Liked? Disliked? (0.00)
Posted by Presto on 2017-12-26, 15:19:53 (75.159.63.136)
Well, I'm big into DIY so the tweaks I can do to my own designs is practically endless. But, some of these ideas can be applied to commercial models with a little know-how and planning. Here's a short .......
234: Speaker Asylum, RE: I think he meant... (0.00)
Posted by Presto on 2017-12-26, 14:59:06 (75.159.63.136)
But even so... all you really need are two opposing usable walls. And I don't see why one of those doors can't have a door on either side! The tricky part is using the same source and amps. Now you ha .......
235: Speaker Asylum, I think he meant... (0.00)
Posted by Presto on 2017-12-22, 09:40:49 (162.245.214.81)
...put the speakers on opposing walls, and do a 180 in the chair. It's actually a great way to A/B two speakers because then you can even control for placement. ;) All you would need then is a "Dr. Ev .......
236: Digital Drive, Curious: Which reel-to-reel do you have? (0.00)
Posted by Presto on 2017-12-15, 22:00:20 (75.159.63.136)
What tape speeds do you have available? Cheers, Presto .......
237: General Asylum, And "Hey You!" too! (nt) (0.00)
Posted by Presto on 2017-11-29, 07:53:36 (75.159.63.136)
nt .......
238: Speaker Asylum, Questions for you... (0.00)
Posted by Presto on 2017-11-21, 20:03:04 (75.159.63.136)
Have you done any preliminary system modelling? What drivers are the Seas and the Fountek? What is the estimated crossover point? Is there a crossover topology in mind? Normally ribbon designs don't c .......
239: Speaker Asylum, RE: Under/about $260 a pair used or new Tweeter suggestions (0.00)
Posted by Presto on 2017-11-08, 09:19:36 (162.245.214.81)
With guitar cabs you can mix and match different types of drivers in different types of cabinets - this all leads to the specific tone of the guitar's pickups, the amp itself and the speakers it's con .......
240: Computer Audio Asylum, And now for the less cool PC Kids. ;) (0.00)
Posted by Presto on 2017-11-07, 18:08:59 (75.159.63.136)
Us PC guys are not as cool as you Mac guys... but we've been doing this USB optimisation since Windows XP fellas! ;) Control Panel -> Device Manager -> Universal Serial Bus Controllers. Then look at t .......
241: Computer Audio Asylum, RE: My favorite quote is: (0.00)
Posted by Presto on 2017-11-07, 08:00:52 (162.245.214.81)
My belief is that if a recording sounds paltry at 24/96 all of the higher resolution in the world isn't going to do a darned thing to help it. Then again, I have a habit of leaning towards better reco .......
242: Speaker Asylum, RE: Under/about $260 a pair used or new Tweeter suggestions (0.00)
Posted by Presto on 2017-11-06, 08:05:50 (162.245.214.81)
To add to that, a lot of the subjective sonic effects he is after are the product of the entire system (AND placement in the room) and far less dependent on the tweeter alone. There are quite a few hi .......
243: Computer Audio Asylum, RE: USB Ports sound different... (0.00)
Posted by Presto on 2017-11-06, 07:52:57 (162.245.214.81)
I used USB for my storage drive. I also use USB for a wireless keyboard and mouse. My thoughts are to keep the two USB devices on separate hubs. I have not done a lot of comparisons, but in PC audio m .......
244: Speaker Asylum, RE: Bi-cable or not ? (0.00)
Posted by Presto on 2017-10-23, 22:16:05 (75.159.63.136)
Besides the big holes in how they got from "theory" to "test method" to "authoritative answer".... They didn't compare a single wire to a bi-wire config. They compared bi-wire with jumper to bi-wire w .......
245: Speaker Asylum, RE: Mission speakers (0.00)
Posted by Presto on 2017-10-16, 08:17:12 (162.245.214.81)
Sure, you can do group-delay correction electronically, or use digital filters that are inherently transient accurate, like FIR. Then again, FIR filters have pre-ringing so, well, we pick our poison. .......
246: Speaker Asylum, RE: Mission speakers (0.00)
Posted by Presto on 2017-10-15, 14:54:31 (75.159.63.136)
Unless you have constant group delay (aka, a transient accurate system design) you can't "time align" two drivers on any baffle, flat, sloped or stepped. This is because the crossover introduces freq .......
247: Speaker Asylum, RE: Mirage 290is Woofer Replacement? (0.00)
Posted by Presto on 2017-10-14, 14:00:54 (162.245.214.81)
Searching for 9-6130 lead to a number of non-shielded versions popping up on E-bay with the following number: PSB 30012C These speakers come from a PSB 300i or 600i. Might be a lead for you there... : .......
248: Speaker Asylum, Additional Info (about the designer) (0.00)
Posted by Presto on 2017-10-09, 18:21:44 (75.159.63.136)
Ooops, almost forgot. You can learn more about the design I referenced at the designers own website where he explains the design tenets and how he overcame specific design challenges. Very rarely do y .......
249: Computer Audio Asylum, There's a an APP for that! ;) (0.00)
Posted by Presto on 2017-10-08, 18:07:16 (75.159.63.136)
I had the same problem copying files to a stick for my Accord's audio system. I tried naming files 01, 02, 03, 04, etc. and that didn't work either. So I did some googling and downloaded this neato li .......
250: Speaker Asylum, RE: Thiel CS 1.5 noisy mid/woofer? (0.00)
Posted by Presto on 2017-10-08, 18:01:13 (75.159.63.136)
I bet there is a pair of those metal cone woofs sitting on a shelf somewhere! ;) Cheers, Presto .......
251: Speaker Asylum, RE: CRAZY build for open mind (0.00)
Posted by Presto on 2017-10-08, 17:59:03 (75.159.63.136)
If you're getting into DIY speaker building to build a "one-off" I'd highly recommend getting a kit or a pre-designed system from plans. Starting from scratch with random drivers based on a somewhat a .......
252: Speaker Asylum, RE: Refoamed my Cizak III's (0.00)
Posted by Presto on 2017-10-06, 18:19:30 (75.159.63.136)
First pair of speakers I ever built (as a kid) was with a kit from Peerless that employed that exact tweeter. Excellent sounding unit - one of the nicest soft domes of the day, for the price. Cheers, .......
253: Speaker Asylum, RE: Thiel CS 1.5 noisy mid/woofer? (0.00)
Posted by Presto on 2017-10-05, 16:07:38 (162.245.214.81)
Indeed. Oh well, the guy is selling them as-is with an honorable description of the sale, and we got to play DIY speaker fixer gurus for a bit. A good time was had by all! :D Oh no... recess is over.. .......
254: Speaker Asylum, Might be good news... (0.00)
Posted by Presto on 2017-10-04, 15:47:00 (162.245.214.81)
Looks like the spider is somehow shot. Strange. If you post a pic of the sticker (part number) you might get lucky. Those frames do not look like they were cast as "truncated" frames, but actually cut .......
255: Speaker Asylum, RE: Thiel CS 1.5 noisy mid/woofer? (0.00)
Posted by Presto on 2017-10-01, 21:35:53 (75.159.63.136)
You may have picked a bad pair for a quick flip. (The price of $50... that perhaps was a red flag). The woofers are most likely cooked, with either voice coil damaged, windings knocked loose, or the m .......
256: Speaker Asylum, RE: now I see why.. (0.00)
Posted by Presto on 2017-09-20, 15:05:39 (207.167.13.69)
I think that's the take-away... It's room dependent, and it's more about what blends best with the main speakers. I've ran "stereo subs" under book-shelves, stereo subs beside tower speakers and mono .......
257: Speaker Asylum, RE: I've never seen... (0.00)
Posted by Presto on 2017-09-19, 20:30:19 (75.159.63.136)
Neither have I, but I have seen dual sub outputs on various HT receivers. Whether they have separate pre-amps and are individually configurable, that's another story. They might just be two jacks in p .......
258: Speaker Asylum, RE: now I see why.. (0.00)
Posted by Presto on 2017-09-19, 20:27:47 (75.159.63.136)
If you want stereo subs just use stereo pre-out, or speaker-level voltage signals to sub as you described. I ran "stereo subs" for a while, one "sub" under each book shelf or alternatively beside eac .......
259: Speaker Asylum, Then you'd better buy FOUR speakers not two... (0.00)
Posted by Presto on 2017-09-19, 20:23:23 (75.159.63.136)
...because in most cases, where the main speakers want to be located for best imaging and sound-stage depth is the not the best position in the room for the very low (sub) bass reproducers. ;) By maki .......
260: Speaker Asylum, RE: I was thinking.. (0.00)
Posted by Presto on 2017-09-19, 12:28:10 (207.167.13.69)
Each sub out should be mono. (Usually any output marked "sub" will be mono and have a black plastic insulator, where L/R are typical white/red.) It's easily tested... just make a recording of a 60Hz t .......
261: Speaker Asylum, No, they were a musical group... (0.00)
Posted by Presto on 2017-09-18, 18:14:52 (75.159.63.136)
nt .......
262: Computer Audio Asylum, Because... (0.00)
Posted by Presto on 2017-09-05, 22:31:26 (75.159.63.136)
??WHAT?? .......
263: Speaker Asylum, RE: Advatages of high effeciency speakers (0.00)
Posted by Presto on 2017-09-04, 12:09:01 (75.159.63.136)
Yes... this is the main draw of the gear IMO, with an additional benefit of being able to 8W single-ended tiodes and still get really good sound levels! ;) Cheers, Presto .......
264: Speaker Asylum, RE: just 1 terminal is fine... EXACTLY because... (0.00)
Posted by Presto on 2017-09-03, 19:24:15 (75.159.63.136)
Because Sub amps SUM the L and R inputs. There is no need to run Left to both Left and Right inputs because you're really summing Left and Left which is... Left. Now, if you had a SINGLE sub, you'd wa .......
265: Speaker Asylum, And now for the correct answer. (0.00)
Posted by Presto on 2017-09-03, 16:28:43 (75.159.63.136)
You have to decide whether or not you want to run the subs in stereo or mono. If people believe that two subs are necessary for "imaging and balance" then they probably also believe that there should .......
266: Speaker Asylum, RE: Advatages of high effeciency speakers (0.00)
Posted by Presto on 2017-08-31, 21:19:00 (75.159.63.136)
-Immediacy / major PRAT -Amazing SPL with flea amps / SET amps -High eccentricity / audiophile factor ;) .......
267: Speaker Asylum, Your options are... (0.00)
Posted by Presto on 2017-08-06, 18:58:48 (75.159.63.136)
Ban children from your home or get a new brother. I am sorry, there is not much else we can do. :) .......
268: Speaker Asylum, Think "Bubble wrap"... (nt) (0.00)
Posted by Presto on 2017-08-06, 18:45:43 (75.159.63.136)
nt .......
269: Speaker Asylum, RE: tweeter in positive or negative acoustic polarity? Adam A7X (0.00)
Posted by Presto on 2017-08-06, 18:43:40 (75.159.63.136)
I'm not even sure if I understand the question. The acoustic polarity of the tweeter alone has really no relevance as far as a speaker system goes unless it's looked at in reference to the acoustic ou .......
270: Speaker Asylum, RE: tweeter in positive or negative acoustic polarity? Adam A7X (0.00)
Posted by Presto on 2017-08-04, 16:57:33 (75.159.63.136)
(Revsised post) Dick was suggesting to measure before/after flipping the tweeter to check for a large reverse null at the crossover point which would tell us about the crossover design. Another way to .......
271: General Asylum, I love a wide range of music... (0.00)
Posted by Presto on 2017-07-17, 04:16:38 (75.159.63.136)
...but I need to be aware that music has considerable effects of "amplifying" mood. If I am feeling aggressive and I am working out, heavy metal can make me too agitated. Sometimes I am in a neutral o .......
272: Speaker Asylum, A Parts Express Kit designed by Don Keele? (0.00)
Posted by Presto on 2017-07-13, 21:58:00 (75.159.63.136)
WHAT? I totally have to hear this... -Presto .......
273: Speaker Asylum, RE: ALTEC MODEL 19 CROSSOVER QUESTION (0.00)
Posted by Presto on 2017-07-13, 21:51:29 (75.159.63.136)
"Getting ready to change these out in one speaker and do a comparison test with the other speaker." Please. PLEASE do this! Very few people do this. When you A/B your modded/unmodded boxes, do let us .......
274: General Asylum, +2 (nt) (0.00)
Posted by Presto on 2017-07-08, 11:16:20 (75.159.63.136)
-t .......
275: Cable Asylum, RE: Duelund flexibility? (0.00)
Posted by Presto on 2017-07-05, 10:53:17 (207.167.13.69)
Yes, that first line should have read UNshielded twisted pair... Cheers, Presto .......
276: Cable Asylum, RE: Duelund flexibility? (0.00)
Posted by Presto on 2017-06-28, 12:02:11 (207.167.13.69)
If this is the single core stuff I am seeing online, you'll have to twist a pair up to make what amounts to, technically, an shielded twisted pair. Given the size and stranding, this should be quite .......
277: Speaker Asylum, RE: is speaker break-in real? (0.00)
Posted by Presto on 2017-06-27, 15:34:27 (207.167.13.69)
Yes... But replacing one sonic reference with another (new speakers) is also a factor, because surely you're not listening to music for the first time! ;) If you're listening to music for the first ti .......
278: Speaker Asylum, RE: The 10" drivers have an Fs of 30 hz, 8 ohm 90db. (0.00)
Posted by Presto on 2017-05-13, 15:34:09 (75.159.63.136)
Timbo: I think you should try the HK as you have planned and see how it goes. See how "tight" the bass seems... of course, there is more to it than just response. Just look for signs the HK is struggl .......
279: Speaker Asylum, RE: Like I said (0.00)
Posted by Presto on 2017-05-12, 10:06:51 (207.167.13.69)
So... what are the *correct* terms? We know what SPL 2.83V/1m and SPL 1W/1m means technically... What are the terms for EACH. They are not the same by definition although they will yield the same resu .......
280: Speaker Asylum, RE: You might want to review that... (0.00)
Posted by Presto on 2017-05-10, 10:12:03 (207.167.13.69)
"Sensitivity is, and always has been, expressed in 1W/1m." Okay, that might well be incorrect. Here, let's try this: "Sensitivity, in my travels through domestic speaker specifications, has almost alw .......
281: Speaker Asylum, RE: Correct- and it is measured 1 watt/1 meter nt (0.00)
Posted by Presto on 2017-05-09, 10:37:58 (207.167.13.69)
Nope. Sensitivity is, and always has been, expressed in 1W/1m. "Efficiency" is often used to describe sensitivity while taking into account impedance. (Sensitivity compensates for impedance). This is .......
282: Speaker Asylum, RE: EQ and subs? a continutaion from K-Bob's learning. (0.00)
Posted by Presto on 2017-05-07, 13:03:38 (75.159.63.136)
Here is my take. Over the years I have set up lots of budget systems, sometimes using things for pre-amps and amps most 'philes would not consider (or tolerate). The 6000C seems to be a decent choice .......
283: Speaker Asylum, No... it's over STATED (0.00)
Posted by Presto on 2017-04-26, 19:48:52 (75.159.63.136)
Imaging is a really fantastic part of higher-end systems. I noticed two things about high-end systems when I first started to appreciate them: first, the clarity, tonal balance and immediacy and secon .......
284: Speaker Asylum, RE: Behringrer crossover for subs - should I get it? (0.00)
Posted by Presto on 2017-04-22, 14:34:43 (207.167.13.69)
"- introduces an extra component and processing into the signal path to the mains" There is no Behringer product I would use to high-pass mains with. End of story. Not even a DCX2496. By the time I wo .......
285: Speaker Asylum, This is good to hear. (0.00)
Posted by Presto on 2017-04-08, 21:46:49 (75.159.63.136)
I know I would love those, as I've heard a few models with that *incredible* midbass driver... Enjoy every last little sonic detail those bad-boys can deliver! .......
286: Speaker Asylum, RE: They are OLD... (0.00)
Posted by Presto on 2017-03-26, 10:46:18 (75.159.63.136)
Well, there is little incentive to take things in on trade when then internet is there to help people expose a product to a wide group of potential buyers. Why would I hand over something I used for a .......
287: Speaker Asylum, RE: Tekton Design Double Impact World Class Reference Speakers (0.00)
Posted by Presto on 2017-03-03, 20:49:37 (104.205.81.139)
As an intermediate (at best) designer myself, I have considered a "flower petal array" of mids around a single tweeter... but I will never be a fan of more than one tweeter. Just because. Because... I .......
288: Speaker Asylum, That's what I was thinking. (0.00)
Posted by Presto on 2017-03-03, 12:17:26 (207.167.13.69)
That's what I thought. Bass guitar pickups are not microphones. The only time you "hear" what a plucked bass string on an electric bass guitar sounds like is when it's unplugged and it wasn't designed .......
289: Speaker Asylum, RE: Please explain bi-amp crossover to me (0.00)
Posted by Presto on 2017-02-23, 10:25:05 (207.167.13.69)
In the name of being a career contrarian... ;) There is potential merit to passive bi-amping because although each amp is applying a full-range signal to each network, the networks "complex impedance" .......
290: Speaker Asylum, Wait now, do you like to listen... (0.00)
Posted by Presto on 2017-02-07, 12:26:08 (207.167.13.69)
... to music that is specifically grimy/grungy? Or do you want to make more "regular" music grimy/grungy? The usual idea is to *recreate* the artists rendition of grimy/grungy, is it not? Anyways, I w .......
291: Speaker Asylum, RE: Few realized my DIY (0.00)
Posted by Presto on 2017-01-29, 12:48:40 (104.205.81.139)
Unreal cabinet work! Amazing art meets function. Very impressive. Any comments on your process for developing the crossover networks would be of great interest to any DIYer. Do continue! -Preston ::: .......
292: Computer Audio Asylum, Also... (0.00)
Posted by Presto on 2017-01-28, 20:01:18 (104.205.81.139)
Rane Note 110 - Sound system interconnection guide. Priceless. .......
293: Computer Audio Asylum, Specs... (0.00)
Posted by Presto on 2017-01-28, 20:00:33 (104.205.81.139)
Wow. It's a Swiss Army Knife too... If it sounds as good as it looks?!? Wow. -Presto .......
294: Computer Audio Asylum, A quick google search... (0.00)
Posted by Presto on 2017-01-28, 19:52:23 (104.205.81.139)
And I found this site which references Jim Brown and many other sources. Now I have much reading to do, and much investigation into some of the gear I own. Thanks for posting this. Regards, Presto ::: .......
295: Computer Audio Asylum, MiniDSP 8 channel for Stereo 4 way DSP-based crossover (nt) (0.00)
Posted by Presto on 2017-01-24, 15:27:27 (207.167.13.69)
nt .......
296: Computer Audio Asylum, RE: Sound quality cd vs. computer. (0.00)
Posted by Presto on 2017-01-20, 16:22:25 (207.167.13.69)
Greetings: You should take a 1/8" miniplug to RCA 'Y' cord and connect the audio output (green jack) of a motherboard sound card to your stereo system. Play 'wav' files from a file recorder. Disable a .......
297: Speaker Asylum, RE: ? (0.00)
Posted by Presto on 2016-12-18, 22:31:52 (104.205.81.139)
He got the veneer off... he's happy. Who am I to argue? DIY is a labor of love... You can't reason with love. Cheers, Presto .......
298: Speaker Asylum, I stand corrected (0.00)
Posted by Presto on 2016-12-16, 20:44:25 (104.205.81.139)
If you got that veneer off, you're golden. It's really not often this is a plausible scenario. Foil-backed veneer? Whatever it was, it didn't penetrate the veneer or it just dried out. Glad you got it .......
299: Speaker Asylum, Huh? LOL (0.00)
Posted by Presto on 2016-12-16, 20:41:36 (104.205.81.139)
Give me a break. I'm getting old. That went (WHOOSH) right over my head. :P Cheers, Presto .......
300: Speaker Asylum, RE: Finally tried using two subwoofer today (0.00)
Posted by Presto on 2016-12-16, 20:40:00 (104.205.81.139)
So quit holding out on us! Placement? Tried corner / middle yet? Corner corner? (not the best IMO). What's the plan man? Cheers, Presto .......
301: Speaker Asylum, RE: How to remove solid wood trim from a cabinet ? (0.00)
Posted by Presto on 2016-12-14, 19:40:44 (104.205.81.139)
Sounds like heartache waiting to happen to me... unless this solid wood trim is 1/8" or 1/4" thick. If it's veneer, I seriously would not bother. I would resize by laminating MDF panels onto the spea .......
302: Speaker Asylum, RE: Using an EQ instead of Dividing Network, Is this Possible? (0.00)
Posted by Presto on 2016-12-14, 19:33:44 (104.205.81.139)
Yes, but I would recommend putting a 9.1 micro-farad capacitor in series with one of the tweeter leads. One little mistake and you have yourself a cooked tweeter... The other way to test speakers with .......
303: Speaker Asylum, RE: Yes... (0.00)
Posted by Presto on 2016-12-09, 09:13:08 (207.167.13.69)
Yep. I like the amp terminal idea. Just run 2-pair unshielded to the plate amp. Might even be a good DIY experiment... use a couple of pairs out of a CAT5e or CAT6 cable. I would just use dual banana .......
304: Speaker Asylum, Are these the two connection options in question? (0.00)
Posted by Presto on 2016-12-06, 10:33:11 (207.167.13.69)
Just to make sure I understand the crux of the discussion here... ;) .......
305: Speaker Asylum, RE: ? (0.00)
Posted by Presto on 2016-12-03, 18:52:28 (207.167.13.69)
Yeah, it doesn't matter. It's a parallel circuit with low impedance path to speaker and high impedance path to the plate amp. Doesn't matter if you "sample" the output voltage at amp terminal or speak .......
306: Speaker Asylum, RE: Adding a sub woofer to old school system (0.00)
Posted by Presto on 2016-11-26, 12:55:25 (104.205.81.139)
Yes you can do this. Wire as follows: You need two sets of speaker cables. For the first set, use what ever you would normally use for your speakers and run directly from amp to speaker. For the secon .......
307: General Asylum, Momentary Lapse of Reason (0.00)
Posted by Presto on 2016-11-04, 11:04:44 (207.167.13.69)
The album (including Yet Another Movie), Momemtary Lapse of Reason... awesome album - totally under-rated. Listen to that one a few times a year... Cheers, Presto .......
308: Speaker Asylum, RE: Friendly advice: Buy a kit (nt) (0.00)
Posted by Presto on 2016-11-01, 17:52:19 (207.167.13.69)
No.. I meant sub kit with driver, cabinet, and amp. Better bang for your buck... If you're set up to do DIY it's good, but if not, all the materials can add up... Cheers, Presto .......
309: Speaker Asylum, Huh? (Are you in the correct thread?) nt (0.00)
Posted by Presto on 2016-11-01, 17:49:04 (207.167.13.69)
nt .......
310: Speaker Asylum, Friendly advice: Buy a kit (nt) (0.00)
Posted by Presto on 2016-10-31, 10:22:06 (207.167.13.69)
nt .......
311: Speaker Asylum, RE: A lot more to it thn you think! (0.00)
Posted by Presto on 2016-10-31, 10:19:09 (207.167.13.69)
I recommend total newbs buy a kit and AFTER, if they have enjoyed the process, they can purchase a measurement suite and mic and measure the end product and do a sort of "design analysis" of what the .......
312: Speaker Asylum, RE: Custom 3 way speaker (0.00)
Posted by Presto on 2016-10-31, 10:08:52 (207.167.13.69)
You would need to provide measured impedance curves for each driver, as well as "on baffle" response of each driver (on axis) at 1 meter. Manufacturer response curves are near useless. No offense, but .......
313: Speaker Asylum, There is ONE speaker...that MIGHT make the cut. (0.00)
Posted by Presto on 2016-10-26, 09:43:18 (207.167.13.69)
In that price range, you either need a sale price or something used, to be honest. I suggest the KEF Q300B on sale at amazon.com. I have personally auditioned these speakers and if you need great fema .......
314: Computer Audio Asylum, I wouldn't do that... (0.00)
Posted by Presto on 2016-10-06, 13:24:22 (207.167.13.69)
... because someone here is going to discover a new ripping tweak that is *OMG* the best thing since sliced bread and single-ended tube amps and you're going to be out of luck... Plus the whole legal/ .......
315: Speaker Asylum, No, cold solid magma is too hard to get into the stands! ;) nt (0.00)
Posted by Presto on 2016-09-24, 14:52:03 (104.205.81.139)
-nt .......
316: Speaker Asylum, There is only one right answer. (0.00)
Posted by Presto on 2016-09-21, 14:51:48 (207.167.13.69)
Fill 'em with liquid hot magma. ;) Cheers, Presto .......
317: Speaker Asylum, RE: Can I back track and admit I was wrong (0.00)
Posted by Presto on 2016-09-13, 15:32:21 (207.167.13.69)
A 4x markup from driver costs alone, if it's a reputable company, with brick/mortar costs, advertising costs, employees, shipping, etc. etc. (all business and overhead costs)... I'm not sure how they' .......
318: Speaker Asylum, RE: brightness controls (0.00)
Posted by Presto on 2016-09-12, 21:10:50 (104.205.81.139)
An L-Pad is really a countour network with a fixed frequency of Fc, the speaker crossovers set midbass or mid to tweeter crossover frequency. There are other passive shaping networks that go beyond t .......
319: Speaker Asylum, RE: Recommend a good 10" 4 ohm midrange driver for under $150 for ESS AMT1 (0.00)
Posted by Presto on 2016-09-04, 12:03:58 (104.205.81.139)
What you're asking for is simply not possible. The driver in that design is highly specific. There are a number of things that make it rather unique to the design. 1. Impedance. (4 ohms, versus 8 etc. .......
320: Speaker Asylum, RE: I understand the photographer was... (0.00)
Posted by Presto on 2016-09-01, 09:47:36 (207.167.13.69)
If a tree falls in the forest and nobody is there to hear it does it make a sound? If a racy picture is on the internet and no man is there to see it is it still sexist? .......
321: Speaker Asylum, RE: A or B speaker selection switch question (0.00)
Posted by Presto on 2016-08-31, 10:43:39 (207.167.13.69)
The switch you've drawn in interconnection format is actually a 4P2T switch. 4P3T would give you the ability to switch three sets of speakers, or two with a center off (un-used pole) The center connec .......
322: Speaker Asylum, RE: what is a 1st or 2nd or 4th order speaker crossover design? (0.00)
Posted by Presto on 2016-08-03, 23:49:52 (104.205.81.139)
Lower Order Hard to design. Need specific drivers. Lower sensitivity after impedance equalization. Better group delay (transient perfect for 1st order ACOUSTIC design) Higher order. Easier to design. .......
323: Speaker Asylum, BRAVO! (standing) BRAVO! (0.00)
Posted by Presto on 2016-08-03, 23:46:06 (104.205.81.139)
If it sounds half as good as it looks.... You're laughing friend! .......
324: Speaker Asylum, Pardon me (0.00)
Posted by Presto on 2016-08-03, 23:43:54 (104.205.81.139)
But it appears I am upside down at the moment. Wait it might be the picture... Nevermind. .......
325: Speaker Asylum, A simple demonstration (0.00)
Posted by Presto on 2016-08-03, 23:33:45 (104.205.81.139)
Ok. Let's see if this works... Take your hand, extend it palm down fingers together. Now move your hand quickly up and down in short movements. Like you're shaking from a bad night of drinking. Now... .......
326: Speaker Asylum, Depends on what you want to "cook" first (0.00)
Posted by Presto on 2016-07-25, 17:44:45 (104.205.81.139)
If you want to fry your tweeters, put a small amp into overload and sent a whack of distortion it's way. If you want to cook woofers, send them raw power that they simply can't handle. They'll sustain .......
327: Speaker Asylum, RE: confused about bi-amping and crossovers (0.00)
Posted by Presto on 2016-06-27, 13:32:18 (207.167.13.69)
When you have a "splittable" aka bi-wirable crossover like that, it means it's a parallel crossover network. Electrically there are independent low and high pass filters, for the woof and tweet respec .......
328: General Asylum, RE: You Know You're An Audiophile When..... (0.00)
Posted by Presto on 2016-05-27, 12:00:09 (207.167.13.69)
You make a system change and immediately hear a difference only to realize you forgot to make the change that last time.... UH OH! Cheers, Presto .......
329: General Asylum, Just... bad. (nt) (0.00)
Posted by Presto on 2016-05-27, 11:59:02 (207.167.13.69)
nt .......
330: General Asylum, Funny about Tom Petty (0.00)
Posted by Presto on 2016-05-27, 11:57:40 (207.167.13.69)
I hate to admit it but he was an acquired taste for me. Didn't appreciate him much at all at first. Then, one day, all of his music (and the savvy playing of the Heartbreakers) just occurred to me... .......
331: General Asylum, The only sure fire way... (0.00)
Posted by Presto on 2016-05-19, 09:49:29 (207.167.13.69)
https://www.youtube.com/watch?v=y8VHFsaf3YE :) .......
332: Computer Audio Asylum, Are there any sales that are up?!? :P nt (0.00)
Posted by Presto on 2016-05-12, 16:41:27 (162.157.16.202)
nt .......
333: Vintage Asylum, RE: Yep (0.00)
Posted by Presto on 2016-04-11, 18:39:59 (162.157.16.202)
Hey Briggs: When you cap off a tweet (1st order electric) to blend it with a fullrange that is rolling off naturally, you can get a reasonably flat response... but what you can't normally get is the k .......
334: Speaker Asylum, RE: don't be so shallow (0.00)
Posted by Presto on 2016-04-11, 11:04:59 (207.167.13.69)
Hey 3db... Do you know the 3db sound company guys in Edmonton? Just curious... Cheers, Presto .......
335: Vintage Asylum, Yep (0.00)
Posted by Presto on 2016-04-07, 13:29:54 (207.167.13.69)
Zaph's ZR71 is an asymmetrical 4th order at 1750 Hz. With my active crossover, I am using 3rd order *electric* filters. It is a considerable design restraint to have fixed-order/fixed-Q filters, but t .......
336: Vintage Asylum, RE: I give you.... FrankenStereo... (0.00)
Posted by Presto on 2016-04-06, 09:36:00 (207.167.13.69)
Airtime: I really want to get the Zaph ZR 71 kit for no other reason to "hear" how Zaph voices his speakers (plus it's allegedly just a damned good 7" base solid 2-way). I build a Kreskovsky-designed .......
337: Vintage Asylum, RE: I give you.... FrankenStereo... (0.00)
Posted by Presto on 2016-04-06, 09:29:28 (207.167.13.69)
Briggs: You're absolutely right. That 7" driver is a very good candidate for a 2-way. But, my design philosophy was that I wanted a 3-way with flat low distortion response beyond the crossover points. .......
338: Vintage Asylum, I give you.... FrankenStereo... (0.00)
Posted by Presto on 2016-04-05, 08:35:02 (207.167.13.69)
I call it my "FrankenStereo" - For all you vintage gear heads out there: it's a 3-way active system with sub, Marantz SR6200 7 channel receiver for 100Wx4 for (4)mids and (2) Tweets, front pre-out to .......
339: Speaker Asylum, How about this one? :-) (0.00)
Posted by Presto on 2016-03-27, 23:35:51 (162.157.16.202)
This was my first book on speakers... read it dozens of times, and used the material quite a bit. Bought it when I was nine or ten years old... .......
340: General Asylum, Anything by Eva Cassidy (nt) (0.00)
Posted by Presto on 2016-03-17, 08:55:39 (207.167.13.69)
nt .......
341: General Asylum, Marc Cohn (self entitled) nt (0.00)
Posted by Presto on 2016-03-17, 08:54:24 (207.167.13.69)
nt .......
342: Speaker Asylum, "New from Anaconda Audio..." (nt) (0.00)
Posted by Presto on 2016-03-09, 08:21:55 (207.167.13.69)
nt .......
343: Computer Audio Asylum, RE: Op amps Asus DGX Xonar sound card. (0.00)
Posted by Presto on 2016-03-05, 11:53:20 (162.157.16.202)
I meant to reply before, but I've been busy... I have an Auzentech X-Meridian 7.1 2G which has OP amp sockets. It came with 4 x JRC5532 OP amps. The "industry standard el cheapo" Don't get me wrong, t .......
344: Speaker Asylum, Oh, Hi Roy! It's been a long time! :) (0.00)
Posted by Presto on 2016-01-30, 13:37:07 (162.157.16.202)
Roy, How have you been? Yes, it's really hard to try and explain the concept of group delay in laymans terms. It's really a derivative, a rate of change thing. The big deal is that if the group delay .......
345: Speaker Asylum, RE: Phase Response Effects. . . what? (0.00)
Posted by Presto on 2016-01-28, 12:03:32 (207.167.13.69)
Well, first of all, there is the electrical phase response of a speaker and the *acoustic* phase response of a speaker. An LR2 crossover imparts a 180 degree phase shift, which is why the tweeter is .......
346: Speaker Asylum, RE: Advice on building a pair of passive Subwoofers.. (0.00)
Posted by Presto on 2015-12-18, 12:17:40 (207.167.13.69)
As said by others here you need a proper sub driver. You don't need to spend hundreds and hundreds. $100 can get you a decent unit. http://www.parts-express.com/dayton-audio-dcs305-4-12-classic-subwoo .......
347: Speaker Asylum, Yes, and yes. What DJK said. (nt) (0.00)
Posted by Presto on 2015-12-18, 11:42:55 (207.167.13.69)
nt .......
348: Speaker Asylum, RE: How do you feel about adding supertweeters these days? (0.00)
Posted by Presto on 2015-11-18, 10:21:29 (207.167.13.69)
If the design incorporates a 1" or 3/4" dome tweeter, the thing should get out to at least 18K, which is more than enough for MOST of us at "our" age. ScanSpeak and other good quality tweeters keep go .......
349: Computer Audio Asylum, RE: What is the consensus on the best motherboard for audio use with an external DAC? (0.00)
Posted by Presto on 2015-11-12, 09:18:11 (207.167.13.69)
How are you feeding this DAC? USB? SPDIF? For USB, if you use a USB PCIe card dedicated for audio, you might be better off. Myself, I don't think sharing USB ports for mice, keyboards, wireless, print .......
350: Speaker Asylum, RE: old crossovers (0.00)
Posted by Presto on 2015-10-20, 09:07:49 (207.167.13.69)
The wire lasts longer than every other component. Caps would be the best place to start. Good quality point-to-point wiring and more generous component layout might "technically" improve things... the .......
351: Speaker Asylum, RE: Why? -t (0.00)
Posted by Presto on 2015-10-16, 15:59:12 (207.167.13.69)
I moreso meant "Why would the cone moving a small amount matter?" But now I am wondering how it damps motion. I suppose it would be akin to putting a load on a generator... Interesting... .......
352: Speaker Asylum, Why? -t (0.00)
Posted by Presto on 2015-10-13, 20:53:33 (162.157.16.202)
-t .......
353: Speaker Asylum, RE: Aerial Acoustics 5T pics (0.00)
Posted by Presto on 2015-09-18, 10:18:27 (207.167.13.69)
*LOVE* the color/shade and gloss with nice depth of grain. Grilles actually look quite smart - photograph well. I am sure the baffles look better "in person" - flash shows every spec of dust... Very v .......
354: Computer Audio Asylum, RE: Sound from Win 10 (0.00)
Posted by Presto on 2015-09-03, 15:57:41 (207.167.13.69)
You can normally select how/when updates are installed. You can be alerted, or do them manually. Google "How to disable automatic updates service in windows 10" Cheers, Presto .......
355: Computer Audio Asylum, Where do the tubes go? :-) (nt) (0.00)
Posted by Presto on 2015-09-01, 09:43:16 (207.167.13.69)
-t .......
356: Speaker Asylum, RE: Thank you very much for advices RE: What would be best tube amp for 100db supravox full range (0.00)
Posted by Presto on 2015-08-26, 12:05:44 (207.167.13.69)
I have the Bottlehead B-Glow monoblocks. Predecessor to Paramount. I will own them for life, and will one day will them to one of my children. They are a phenomenon to behold. Enjoy thermionic bliss! .......
357: Speaker Asylum, RE: A few threads here got me thinking... (0.00)
Posted by Presto on 2015-08-24, 11:18:11 (207.167.13.69)
So what line of speakers / vintage components are you eye balling? It's a great theoretical question to ponder, but do you have some specific components in mind? I used to like designing things from o .......
358: Speaker Asylum, There is only one correct answer. (0.00)
Posted by Presto on 2015-08-21, 15:21:16 (207.167.13.69)
300B single ended-triode bliss. All 8 watts of it. Many great amps built around that design concept. Audition those with 300B tubes and I bet you will liiiiiiiiike! :) Cheers, Presto .......
359: General Asylum, RE: I'm Gobsmacked (0.00)
Posted by Presto on 2015-08-20, 23:00:17 (162.157.16.202)
Actually I find a Nitrogen filled room is much more dynamic and tonally inert. Trouble is the breathing hose makes a lot of noise. You just can't win. Cheers, Presto .......
360: Speaker Asylum, RE: A few threads here got me thinking... (0.00)
Posted by Presto on 2015-08-20, 09:54:57 (207.167.13.69)
I'm not sure "modern design" is going to make combinations of these vintage components go from night to day in terms of performance. Also, advances in design and better access to modern design tools d .......
361: Computer Audio Asylum, RE: Sensible post (0.00)
Posted by Presto on 2015-08-17, 22:46:44 (162.157.16.202)
Well, I know audiophiles who would have themselves a good chuckle that a bunch of guys in an audiophile website are talking about a product worth $230. Back in my hi-fi hayday, those were cheap cables .......
362: Computer Audio Asylum, RE: Sensible post (0.00)
Posted by Presto on 2015-08-17, 08:20:56 (207.167.13.69)
Gluing metal parts together is just bad design. A couple of rivets would have saved much embarrassment. I'd still like to know how the thing sounds. If it's a good sounding circuit one can DIY mod and .......
363: Computer Audio Asylum, That may not be QC. (0.00)
Posted by Presto on 2015-08-16, 15:28:57 (162.157.16.202)
If the bars were all good at the time of inspection they were good. The company has learned that aluminum case + Glue X + Metal bar coated with Y does not work. They should have spent the extra cost t .......
364: Speaker Asylum, RE: I mean voltage, more precisely EMF (0.00)
Posted by Presto on 2015-07-22, 08:59:22 (207.167.13.69)
The more I think about it the only thing I can up with is that the low frequency content in a full range signal is *supposed* to be there along with the high frequency content where with bi-wire any l .......
365: Speaker Asylum, RE: I mean voltage, more precisely EMF (0.00)
Posted by Presto on 2015-07-20, 10:03:45 (207.167.13.69)
Oh, okay. To me it sounded like at certain points that things became fuzzy about current versus voltage at various points in the circuit. One thing that came out of this thread that is of interest to .......
366: Speaker Asylum, RE: Without knowledge it won't make sense (0.00)
Posted by Presto on 2015-07-17, 09:54:01 (207.167.13.69)
Right. It has to be over the entire length. It's the current that is being attenuated. The voltage is not attenuated until post filter. But the current is attenuated all the way back to the amplifier .......
367: General Asylum, RE: beg to differ (0.00)
Posted by Presto on 2015-07-16, 22:31:39 (162.157.16.202)
Heavy light-blocking curtains! Hooray! :P Cheers, Presto .......
368: Speaker Asylum, RE: Without knowledge it won't make sense (0.00)
Posted by Presto on 2015-07-16, 22:30:53 (162.157.16.202)
You most definitely have unfiltered voltage present *at the input to each filter*. That clarifies what I said... .......
369: Speaker Asylum, RE: I mean voltage, more precisely EMF (0.00)
Posted by Presto on 2015-07-16, 22:29:50 (162.157.16.202)
Oh, I am referring to an ideal model where there is only current driven by a voltage source and not induced. In any case, a case is made for separating high and low pass filters from each other. Some .......
370: Speaker Asylum, RE: Oh boy, more (0.00)
Posted by Presto on 2015-07-16, 22:25:46 (207.167.13.69)
Don't move the goalposts. We're talking CABLES. Cables are pre-filter. Voltage does not get attenuated pre-filter. Only post filter. Current is attenuated in the whole branch, i.e., in the individual .......
371: Speaker Asylum, RE: Without knowledge it won't make sense (0.00)
Posted by Presto on 2015-07-16, 12:52:06 (207.167.13.69)
It does not make the full range voltage go away. It does make the portion of the filtered current go away. You can't speak of "signal" without confusing the issue. When you say "signal" are you referr .......
372: Speaker Asylum, RE: I think Richard Vandersteen got it right (0.00)
Posted by Presto on 2015-07-16, 12:43:44 (207.167.13.69)
I think RV is making a reference to Faraday's Law and crosstalks, but his explanation doesn't work. First, a time varying magnetic field produced by current flowing in one conductor can induce EMF in .......
373: Speaker Asylum, RE: Mix and match (0.00)
Posted by Presto on 2015-07-16, 09:33:06 (207.167.13.69)
You may find a stout cable on the midbass has a positive effect on damping factor (and bass response) that outweighs any negative affects in the crossover range. I've done simulations with different c .......
374: Speaker Asylum, RE: Mix and match (0.00)
Posted by Presto on 2015-07-14, 22:49:37 (162.157.16.202)
Cable induced differences? In the crossover region? That I would have to hear... I think you'd need to compare a course power cable to a fine wire to hear it... But, there is the crossover region with .......
375: Speaker Asylum, Mix and match (0.00)
Posted by Presto on 2015-07-14, 10:56:55 (207.167.13.69)
Mix and match cables. Cables best suited for high frequency signals are not the same as ones best suited for low frequency. With low frequency, damping factor of the amp is a big deal, so you want mor .......
376: Speaker Asylum, RE: Need some bi-wire counseling and opinions (0.00)
Posted by Presto on 2015-07-14, 10:52:07 (207.167.13.69)
Bi-wiring does more than just decrease the net impedance seen by the amp. Bi-wiring gives lowpass and highpass filter currents a separate place in physical space to propagate magnetically along the pa .......
377: Speaker Asylum, Who said... (0.00)
Posted by Presto on 2015-07-14, 10:48:02 (207.167.13.69)
... anywhere that the only thing bi-wiring could improve or change is imaging - especially "only" imaging? Cheers, Presto .......
378: Speaker Asylum, RE: Subs do integrate well (0.00)
Posted by Presto on 2015-07-03, 20:06:23 (162.157.16.202)
For me it was combined learnings from local audiophiles, local DIYers, online DIYers and, of course, the guys here. I blame smaller monitors with poor or missing baffle step compensation that lead gu .......
379: Speaker Asylum, RE: Anyone compared Studio Monitor vs Floorstanders? (0.00)
Posted by Presto on 2015-07-02, 08:45:30 (207.167.13.69)
Yes. Having a separate sub that I can put anywhere I want is a greater boon to system performance than trying to get sub frequencies out of floor standers in locations where they image best (which is .......
380: Computer Audio Asylum, RE: Length of usb cable affects SQ (0.00)
Posted by Presto on 2015-07-01, 12:04:01 (162.157.16.202)
With digital transmission, is not characteristic impedance and length combine to dictate the time of reflections which affect jitter? Does this apply to USB cables as it does to COAX transmitting thin .......
381: Speaker Asylum, RE: where to buy more efficient 5" driver for book shelf speakers? (0.00)
Posted by Presto on 2015-06-24, 09:45:05 (207.167.13.69)
Okay, you don't really want to do this. You can't take out woofer (X) and drop in woofer (y) and simply get more sensitivity without anything else changing. Even if you somehow got things to align rea .......
382: Speaker Asylum, Thanks for all of the enjoyable posts! :) (0.00)
Posted by Presto on 2015-06-18, 22:30:35 (162.157.16.202)
They were a pleasure to read! Cheers, Presto .......
383: Speaker Asylum, RE: Presto, with your DSP-based active XO/EQ . . . (0.00)
Posted by Presto on 2015-06-16, 21:46:34 (162.157.16.202)
Strangely... I can only do up to 7th order with Thuneau Allocator. The best I could do with all drivers in phase is 4th order, but with that I can not only time align acoustic centers but actually cor .......
384: Speaker Asylum, RE: Metal Cone loudspeakers -- Anyone like them? (0.00)
Posted by Presto on 2015-06-14, 16:14:52 (162.157.16.202)
I would probably not go for metal cone mid-woofs for a 2-way as my first choice. People go crazy for Seas Excel based systems but the crack-up of those magnesium cones requires a designer who knows wh .......
385: Speaker Asylum, Anyone audition anything with decent goose-bump factor lately? (0.00)
Posted by Presto on 2015-06-11, 13:34:30 (207.167.13.69)
Not me. Nada. Nothing. Which is pathetic, really. You? Anything worth mentioning? Cheers, Presto .......
386: Speaker Asylum, RE: Yes, but doesn't matter. (0.00)
Posted by Presto on 2015-06-10, 15:04:07 (207.167.13.69)
I would challenge that and say the problem the tech experienced was with specific amps or specific designs. I've got sub amps here in service 10+ years and I keep all mine in "auto" mode where they tu .......
387: Speaker Asylum, RE: Crossovers (0.00)
Posted by Presto on 2015-06-04, 09:09:06 (207.167.13.69)
I used Clarity Cap PX line a few times. Nice caps - really good price. I like Madisound too. Great to deal with - and I am in Canada, eh? lol Cheers, Presto .......
388: General Asylum, Not adding any new ones! ;) - nt (0.00)
Posted by Presto on 2015-06-02, 18:41:24 (162.157.16.202)
nt .......
389: Speaker Asylum, RE: Crossovers (0.00)
Posted by Presto on 2015-06-02, 18:39:14 (162.157.16.202)
I use Solen PB type mostly. :) I just don't want to rain on any parades... Cheers, Presto .......
390: General Asylum, RE: YES to be a Debbie Downer.. The same 'claim; has been made over every aftrmarket cord ever made... (0.00)
Posted by Presto on 2015-06-02, 14:44:20 (162.157.16.202)
I was talking about the receptacle, not the cords. Code violations are a bad idea, and I think that might be one. If a code violation is the source of a fire, I would bet good money the insurance comp .......
391: Speaker Asylum, RE: Crossovers (0.00)
Posted by Presto on 2015-06-02, 14:28:57 (162.157.16.202)
Put a bit more cash into the caps in series with the tweeter! ;) Not hundreds, but maybe $20 or $30 into each cap. Many say it's well worth the little bit of extra money. You can spend insane money o .......
392: Speaker Asylum, AH, but... (0.00)
Posted by Presto on 2015-06-01, 10:14:55 (207.167.13.69)
...if "mismatched" gear gives OMG moments, is it really mismatched at all then? They say opposites attract in human relationships. Who's to say synergy can't be achieved using a similar philosophy in .......
393: General Asylum, Not to be a Debbie Downer but... (0.00)
Posted by Presto on 2015-06-01, 08:56:41 (207.167.13.69)
...but I would consult a local electrical code authority on that installation. If your house burns down and that plug is anywhere near the center of it, your insurance company may not cover you if the .......
394: Computer Audio Asylum, RE: Is Android a non option for a good streamer ? (0.00)
Posted by Presto on 2015-05-17, 04:27:35 (162.157.16.202)
I want to try this too. USB Player Pro out to good USB DAC. You can use onboard memory for the music files, or even stream from a network location... First reaction around here was "can't possible be .......
395: Speaker Asylum, RE: If we assume (0.00)
Posted by Presto on 2015-05-16, 00:02:41 (162.157.16.202)
I've been running DSP/ACtive for years now and I haven't looked back. Every time I try a different DSP crossover or an outboard active one, I start missing my DSP/Active (Thuneau) setup right away. Ma .......
396: Speaker Asylum, RE: If we assume (0.00)
Posted by Presto on 2015-05-15, 10:44:32 (207.167.13.69)
No, I totally get it. The article compares passive single amp to active multi-amp, and does a fine job I have to say. (Nice explanation of how gain demands are reduced for individual amps in active co .......
397: General Asylum, Just a little bit! (nt) (0.00)
Posted by Presto on 2015-05-14, 14:06:50 (207.167.13.69)
nt .......
398: Speaker Asylum, RE: If we assume (0.00)
Posted by Presto on 2015-05-14, 13:44:50 (207.167.13.69)
That's right - passive bi-amping will not reap the *full* benefits like active bi-amping or PLLXO will. Anytime passive crossovers are used, there are additional losses to take into consideration. I'm .......
399: Speaker Asylum, RE: If we assume (0.00)
Posted by Presto on 2015-05-14, 09:21:34 (207.167.13.69)
In theory, it's correct - you don't get more power per se... You're using voltage source amplifiers, so instead of one amp seeing the impedance of two networks in parallel, you have two amps each seei .......
400: Speaker Asylum, RE: If we assume (0.00)
Posted by Presto on 2015-05-13, 21:06:09 (162.157.16.202)
Well... If you reduce everything to nodes... Thing is, the resistance really isn't the most interesting feature, even though theoretically there is basically half of it. Half of zero... right. Still .......
401: Speaker Asylum, Here... Every picture tells a... (0.00)
Posted by Presto on 2015-05-13, 13:28:16 (207.167.13.69)
...story, don't it? ;) Cheers, Presto .......
402: Speaker Asylum, RE: Interesting way to wire speakersÂ…??? (0.00)
Posted by Presto on 2015-05-13, 11:10:34 (207.167.13.69)
Why single conductors spread apart? Try the same wire but twisted with a drill with about 2 or 3 twists per inch. Cheers, Presto .......
403: Speaker Asylum, RE: Coaxial replacement in Gradient Revolutions? (0.00)
Posted by Presto on 2015-05-11, 09:50:13 (207.167.13.69)
My bad, All Seas coax drivers with an "18" in the part number are 176mm diameter frames. They sometimes call them 6.5" and other times 7", but whatever they call them, the specs all say 176mm. They ha .......
404: General Asylum, RE: You should reconsider your profound naivety... (0.00)
Posted by Presto on 2015-05-10, 11:13:25 (162.157.16.202)
Interesting. (Sorry, this got long). Many themes about humans creating AI involve us projecting our own nature on the AI, even though it may possess self awareness and go on to form it's own philosoph .......
405: Speaker Asylum, RE: New speaker finally done (0.00)
Posted by Presto on 2015-05-08, 12:04:09 (207.167.13.69)
Those speakers look fantastic! I love the tools scattered about the floor in true DIY fashion. That's the way my listening area looks a lot of the time: Under construction! The neo magnet Accuton mid .......
406: Speaker Asylum, RE: Mistake in my quest for DIY speaker ! (0.00)
Posted by Presto on 2015-05-08, 08:06:03 (162.157.16.202)
Silicon gives off acetic acid when it cures. This will attack everything in there that acid will eat I guess. I never use silicon based products in my DIY or even around the house. It stinks, it's sti .......
407: Speaker Asylum, RE: Sadly, Made in China (0.00)
Posted by Presto on 2015-05-04, 20:39:41 (162.157.16.202)
I always wanted to try a Fostex driver, but when I found how one of them measured... I sort of got cold feet. Some guys into horn loaded high-efficiency single driver stuff really like them... Takes a .......
408: Speaker Asylum, RE: Coaxial replacement in Gradient Revolutions? (0.00)
Posted by Presto on 2015-05-04, 11:58:39 (207.167.13.69)
Seas has a new coaxial mid and a 18cm coaxial midbass (MR18REXXF). They employ treated read cones instead of the previous clear poly cones. The driver you have there is one of three 17cm variants. Yo .......
409: Computer Audio Asylum, RE: Alternatives to USB for my DAC (0.00)
Posted by Presto on 2015-05-02, 09:48:12 (162.157.16.202)
Download the DPC latency checker and use it to troubleshoot. 1. I had a wireless network driver cause dropouts every 60s on the button - perhaps a poorly written driver that does something *vitally im .......
410: Speaker Asylum, RE: You may be approaching this from the wrong angle (0.00)
Posted by Presto on 2015-05-01, 08:47:20 (207.167.13.69)
I like the 4th order (acoustic) design myself, and use it with active crossovers quite a lot. It's simple enough to overlay additional electrical filtering to get the right transfer function for the d .......
411: Speaker Asylum, RE: Computer-Designed Crossovers (0.00)
Posted by Presto on 2015-04-30, 09:17:31 (207.167.13.69)
"The only way to get this right mathematically is to have the crossovers designed based on the acoustic output of the drivers working in a known size and type of enclosure." Close. There is more to it .......
412: Speaker Asylum, RE: Questions about speaker crossover setup (0.00)
Posted by Presto on 2015-04-30, 08:26:36 (207.167.13.69)
Actually, the hardest part nowadays (once a certain skillset is acquired) is simply choosing the speaker's voicing. What do you do? Go for flat? BBC? Flat with a lift? Baffle step - how much? Add to t .......
413: Speaker Asylum, RE: Questions about speaker crossover setup (0.00)
Posted by Presto on 2015-04-29, 22:10:38 (162.157.16.202)
Sure. Normally Q and Fc are chosen, Z is known and L and C are what is calculated. In this discussion they changed Z. Which is okay because I woke up confused and more confusion really didn't make a d .......
414: Speaker Asylum, RE: Questions about speaker crossover setup (0.00)
Posted by Presto on 2015-04-29, 20:28:19 (162.157.16.202)
I didn't word that right. I meant for a given "filter type" aka given Q. I'm not used to thinking about this in terms of changing impedance, I am used to thinking of it where Fc and Q are chosen and Z .......
415: Speaker Asylum, RE: Questions about speaker crossover setup (0.00)
Posted by Presto on 2015-04-29, 12:25:36 (207.167.13.69)
All passive crossover calculations are a function of driver impedance. You can't have a passive filter of "frequency x" for a solution set of impedances. The L and C values are only valid for a specif .......
416: Speaker Asylum, RE: Observable Woofer Cone Movement (0.00)
Posted by Presto on 2015-04-28, 21:35:12 (162.157.16.202)
Oh yeah, that's true. Some music is also bad for subsonics - some electronic, dance and hip hop music that uses samples of analog recordings, or effects that change frequency can often result in extre .......
417: Computer Audio Asylum, RE: Trying to loop audio on a device with a mic/headphone all in one jack (0.00)
Posted by Presto on 2015-04-28, 21:04:57 (162.157.16.202)
What do you mean by "stream audio into your mic"? You can get a breakout cable that gives you a headphone out and mic input. .......
418: Computer Audio Asylum, Good one Tony (0.00)
Posted by Presto on 2015-04-24, 13:14:03 (207.167.13.69)
Yes, Tony has a great recommendation here. For really stubborn glitches, you sometimes need to look at more detailed information on individual processes in real time. You go to the Task Manager and vi .......
419: Computer Audio Asylum, RE: JRMC 18 stutter problem (0.00)
Posted by Presto on 2015-04-24, 08:46:00 (207.167.13.69)
Disable real-time protection in your antimalware software. Then run JRMC. If problem goes away, you've found it. If problem does not go away, disable your network adapter in the control panel under sy .......
420: Speaker Asylum, RE: Observable Woofer Cone Movement (0.00)
Posted by Presto on 2015-04-22, 08:36:44 (207.167.13.69)
My personal feeling on this is that, except in rare circumstances, most midbass drivers do not need to heave all that much unless tuned exceptionally low or equalized to go below their natural range. .......
421: Computer Audio Asylum, RE: Switching from internal soundcard to external dac (0.00)
Posted by Presto on 2015-04-14, 16:12:36 (207.167.13.69)
I would have put the $40 towards a little tri-path kit amp first... In any case, I would just listen to it. You will need a 1/8" stereo to dual RCA "computer audio cord" which cost $5 or $10. Plug the .......
422: Speaker Asylum, RE: Four Focal 10K515 woofers, need ideas (0.00)
Posted by Presto on 2015-04-11, 00:54:12 (162.157.16.202)
Hmm... isobaric. Not my specialty by any means - I've never built one and I am not that well versed with the theory. If you're dead set on isobaric, I would talk to someone with more experience with t .......
423: Speaker Asylum, RE: Four Focal 10K515 woofers, need ideas (0.00)
Posted by Presto on 2015-04-10, 10:11:47 (207.167.13.69)
Actually...that shot is more of an embarrassment! lol. I had just moved in there - the basement is partially finished. There was a large chunk of leftover (nice) carpet in the portion of the basement .......
424: Speaker Asylum, RE: Four Focal 10K515 woofers, need ideas (0.00)
Posted by Presto on 2015-04-09, 23:37:25 (162.157.16.202)
Neat... NOS Focal woofers! The three-ways pictured in the other thread are a 'two of a kind' by the way - me and an old pal did a build, one pair for each of us. I had custom laser-cut router template .......
425: Speaker Asylum, RE: Focal 836, room size and a yamaha M4 question (0.00)
Posted by Presto on 2015-04-09, 11:22:19 (207.167.13.69)
Sure. I've heard many of their polyglass and polykevlar units. W-cone, not as much. Cheers, Presto .......
426: Speaker Asylum, RE: Focal 836, room size and a yamaha M4 question (0.00)
Posted by Presto on 2015-04-09, 11:21:21 (207.167.13.69)
I would hook up the M4, play with placement of the 835V's and see what you get. Spend some time with them... long enough to forget about your previous reference, at least for a while. ;) A/B compariso .......
427: Speaker Asylum, RE: Focal 836, room size and a yamaha M4 question (0.00)
Posted by Presto on 2015-04-09, 08:59:03 (207.167.13.69)
I am not familiar with that specific amp, but I have used Yamaha "higher end mid-fi" RXV995 with okay success driving DIY Focal towers. They called that line of receiver "natural sound" and it really .......
428: Propeller Head Plaza, RE: Bullocks (0.00)
Posted by Presto on 2015-04-05, 15:23:48 (162.157.16.202)
You can't control your perceptions. But you can influence them. That's what being an audiophile is! That's what being a foodie is too I think... It's all about influencing your perceptions, with proce .......
429: Speaker Asylum, RE: Thinking of Trying small speakers (0.00)
Posted by Presto on 2015-04-05, 12:03:01 (162.157.16.202)
Some claim they are too clinical, but for me they have fantastic detail, really good (neutral) tonality (a good speaker HAS no tone lol). I love how their 3" mid-domes convey the human voice. I've lis .......
430: Propeller Head Plaza, Bullocks (0.00)
Posted by Presto on 2015-04-05, 11:46:44 (162.157.16.202)
Mapleshade. All the way. For me, room color is more about the mood it puts me in because mood alters perception. I like colors with red, brown, orange and yellow hues. Earth tones of an autumn variat .......
431: Propeller Head Plaza, RE: You need frequency sensitive paint (0.00)
Posted by Presto on 2015-04-05, 11:42:42 (162.157.16.202)
I don't think it's a stretch that open-cell flat-colored paints are going to be less reflective at certain frequencies than smoother surfaces... it's not going to be a massive effect I don't think... .......
432: Speaker Asylum, RE: Does anyone make a subwoofer with no amps, crossovers, etc? (0.00)
Posted by Presto on 2015-04-04, 20:47:29 (162.157.16.202)
Unpowered sub? That's the most enticing DIY project ever. If you can build a heavy and well-braced wood or MDF box, use some simple design tools and get the right driver for the job, you have a very h .......
433: Speaker Asylum, RE: Thinking of Trying small speakers (0.00)
Posted by Presto on 2015-04-02, 11:31:08 (207.167.13.69)
Be careful. I think a lot of audiophiles go wrong here. You can get fantastic sound from two smaller monitors and if you implement a sub PROPERLY you can get everything that floor standers give - and .......
434: Speaker Asylum, RE: How to get the midrange right ? (0.00)
Posted by Presto on 2015-04-01, 09:52:10 (207.167.13.69)
Sorry, in that context, I should have said distortion should be minimized. It's great to use super-low distortion drivers when the budget allows, but there are some really good drivers out there that .......
435: Speaker Asylum, RE: How to get the midrange right ? (0.00)
Posted by Presto on 2015-03-30, 09:20:41 (207.167.13.69)
Bg: Every driver has a unique distortion profile, just as it's frequency response is unique. A good designer will be aware of the drivers distortion and choose the crossover points and slopes such tha .......
436: Speaker Asylum, RE: What to do with one broken and one working speaker? (0.00)
Posted by Presto on 2015-03-28, 21:58:42 (207.167.13.69)
How do you know it's the ribbon? Is it physically damaged? Is is just "not making sound"? Are there signs of mechanical damage? That tweeter looks to be custom and not an OEM from a major ribbon manu .......
437: Speaker Asylum, RE: How to get the midrange right ? (0.00)
Posted by Presto on 2015-03-27, 11:32:05 (207.167.13.69)
Well, there are a few factors I can think of... 1. Crossover points away from the mid-band as much as possible. As an approximation, for a three way, 200-300Hz to woofer and 1800-2500Hz for tweeter. T .......
438: General Asylum, Goodwill or target practice (nt) (0.00)
Posted by Presto on 2015-03-23, 09:02:43 (207.167.13.69)
nt .......
439: Computer Audio Asylum, RE: Recommend a basic laser printer that F*CKING WORKS? (0.00)
Posted by Presto on 2015-03-20, 10:50:44 (207.167.13.69)
Try and do a factor reset. Sometimes these new printers do wireless networking. In fact, see if it shows up. Sometimes you need to reset everything and re-install drivers. Make sure you get the latest .......
440: Speaker Asylum, BUT THEN.... (afterthought) (0.00)
Posted by Presto on 2015-03-18, 12:42:18 (207.167.13.69)
But, even if you eliminate mechanical connections at the speaker, then you have to do this at the AMP as well!! ;) .......
441: Speaker Asylum, Parts price can be irrelevant though. (0.00)
Posted by Presto on 2015-03-18, 12:38:50 (207.167.13.69)
If a famous speaker maker who makes $20K speakers took some low-buck components and made a $1500 entry level design that happened to sound good - especially compared to other $1500 designs - then it h .......
442: Speaker Asylum, They might sound better with the "grilles" off... (nt) (0.00)
Posted by Presto on 2015-03-18, 11:11:29 (207.167.13.69)
-nt .......
443: Speaker Asylum, RE: Binding post bypass (0.00)
Posted by Presto on 2015-03-18, 05:52:36 (162.157.16.202)
Yes... you could theoretically wire from your amp to the speaker's crossover input terminals with an uncut set of wires and use a "cable glad" to seal the hole. Doing an A/B comparison would be imposs .......
444: Speaker Asylum, RE: Brilliant Tweeter Center 4" off the floor!! -nt (0.00)
Posted by Presto on 2015-03-17, 12:32:22 (207.167.13.69)
-nt .......
445: General Asylum, Don't let the 'philes scoff TOO much... (0.00)
Posted by Presto on 2015-03-16, 05:50:45 (162.157.16.202)
I've heard a fair bit of material over the years from the jazz and classical realm that, in fairness to the composers and artists which created it, should be snapped in half. 75% or more of a person's .......
446: Speaker Asylum, RE: UK speakers ...Does anyone know the specs and company that produced these?? (0.00)
Posted by Presto on 2015-03-13, 19:04:52 (207.167.13.69)
It's a Goldwood GT700 methinks. The other drivers all seem to be 8" MG or Goldwood units with stealthy mounting rings (Those are not the flanges of the drivers, but I think they are beauty rings o .......
447: General Asylum, Bite your tongue man. Auto REVERSE!! :o) (0.00)
Posted by Presto on 2015-03-11, 13:48:18 (207.167.13.69)
Cheers, Presto .......
448: Computer Audio Asylum, RE: my Focal speaker system have a built in DAC (2008 Burr Brown) (0.00)
Posted by Presto on 2015-03-09, 07:44:06 (162.157.16.202)
I think a good audio interface with a decent quality SPDIF output that is bitperfect and handles your digital streams in "native format" will sound best. By native, I mean *NOT* resample, say, 44.1khz .......
449: Computer Audio Asylum, I second that... (0.00)
Posted by Presto on 2015-03-08, 16:15:47 (162.157.16.202)
...foobar on xp is awesome. Some might disagree, but I think you go a long way improving sound by having a decent audio interface. Stock mobo sound codecs can be okay, but they're easily beaten, somet .......
450: Speaker Asylum, RE: How do I demagnitize my speakers, would that not make them useless... (0.00)
Posted by Presto on 2015-03-06, 20:37:21 (162.157.16.202)
Well, first off you can't demagnetize a non-magnetic material. Conductors are most often non-magnetic, such as copper, but it's conceivable that a ferrous metal could be part of an alloy coating the c .......
451: Speaker Asylum, RE: Triangle Titus 202 (0.00)
Posted by Presto on 2015-03-04, 14:15:28 (207.167.13.69)
Rick: The woofer ran "flat-out" with no eq would confirm there is no baffle step compensation. This is often a reason for smaller 2-ways to sound "lean" (a term for low end), but I am not sure this wo .......
452: Speaker Asylum, RE: Triangle Titus 202 (0.00)
Posted by Presto on 2015-03-03, 09:42:21 (207.167.13.69)
5.5" 8ohm midwoofer in a 2-way that is *rated* at 90db 1w/1m? Hmmmmm. HMMMMMM. Ever wonder why 6" and 5.5" 2-way bookshelf designs can have sensitivities in the low to mid 80's? Hint: baffle step comp .......
453: General Asylum, Many have tried and failed... (0.00)
Posted by Presto on 2015-02-27, 10:43:35 (207.167.13.69)
...to define hipsters. Hipsters themselves are quick to say that you can't define hipsters, that they're not hipsters and that you're doing something else very wrong, because Hipsters like to converse .......
454: General Asylum, Mickey (Tony Basil) Had to mention that one too... (nt) (0.00)
Posted by Presto on 2015-02-27, 10:23:44 (207.167.13.69)
nt .......
455: General Asylum, Drivers Seat (Sniff and the Tears) Your Love (The Outfield) - nt (0.00)
Posted by Presto on 2015-02-27, 10:22:06 (207.167.13.69)
nt .......
456: High Efficiency Speaker Asylum, Instead of checking the internet... (0.00)
Posted by Presto on 2015-02-25, 21:16:32 (162.157.16.202)
...I checked my "horn calculator collection" (yikes, I have one of those... lol). And there it was! Thanks for pointing me (back) in the right direction! :) Cheers, Presto .......
457: High Efficiency Speaker Asylum, RE: More horn ruminations: Tractrix? Or La Cleac'h? (0.00)
Posted by Presto on 2015-02-25, 21:15:30 (162.157.16.202)
Thanks for the tip! I will certainly look into those! :) Cheers, Presto .......
458: High Efficiency Speaker Asylum, RE: More horn ruminations: Tractrix? Or La Cleac'h? (0.00)
Posted by Presto on 2015-02-25, 09:31:47 (207.167.13.69)
Hey thanks for your input - I appreciate it! Yes, for now I plan to do a ported 15" or 18" pro-sound driver mating up to the mid-horn at about 500Hz. I don't think I have the space right now to consid .......
459: General Asylum, It's just hipsterism (0.00)
Posted by Presto on 2015-02-24, 11:40:19 (207.167.13.69)
This new existential angst of coming up with the next big fashion statement or music genre to be "hip" - it's just too much pressure for kids these days. So, they created this "collage of coolness" ta .......
460: General Asylum, Angel taken from this world too soon. Love her singing! (nt) (0.00)
Posted by Presto on 2015-02-21, 13:39:25 (207.167.13.69)
nt .......
461: Computer Audio Asylum, RE: In my mind there is only one way to compare format (a) to format (b) (0.00)
Posted by Presto on 2015-02-18, 08:53:32 (207.167.13.69)
See, this is where the actual science of the experiment comes into play. Some questions come to mind: a)If I said "Tony, use two different machines to capture two different analog signals." you could .......
462: High Efficiency Speaker Asylum, RE: More horn ruminations: Tractrix? Or La Cleac'h? (0.00)
Posted by Presto on 2015-02-17, 07:58:00 (207.167.13.69)
John: The projects that I was seeing online for Tractrix petal horns were usually not "wrapped around", and most I saw were terminating at 90 degrees at best. I don't think I want to turn horns, and I .......
463: Computer Audio Asylum, In my mind there is only one way to compare format (a) to format (b) (0.00)
Posted by Presto on 2015-02-13, 14:08:11 (207.167.13.69)
You have to capture each "file" for each format using the same playback chain, and play it back to analog, and capture the IDENTICAL ANALOG signal. (I believe that you can't compare A to B when B is a .......
464: High Efficiency Speaker Asylum, RE: More horn ruminations: Tractrix? Or La Cleac'h? (0.00)
Posted by Presto on 2015-02-13, 13:34:18 (207.167.13.69)
Right on John! Thanks for all that fantastic info. Yeah, I don't think I would want to just add a terminating radius to a tractrix... if I'm going to wrap around I'd want to stick with the La Cleac'h .......
465: High Efficiency Speaker Asylum, RE: More horn ruminations: Tractrix? Or La Cleac'h? (0.00)
Posted by Presto on 2015-02-11, 08:47:15 (207.167.13.69)
Thanks John. Yes, I worry about edge diffraction off of a thin-walled petal-horn tractrix. One goes through all that trouble for a tractrix curve and then the mouth truncates suddenly, or worse, some .......
466: High Efficiency Speaker Asylum, More horn ruminations: Tractrix? Or La Cleac'h? (0.00)
Posted by Presto on 2015-02-09, 13:38:58 (207.167.13.69)
Gang: I have really been wanting to get some petal horns made for my JBL 2441 drivers with original aluminum diaphragms. But then after more surfing around I was asking myself: Tractrix? Or La Cleac'h .......
467: Speaker Asylum, Uh oh. (0.00)
Posted by Presto on 2015-02-05, 13:22:59 (207.167.13.69)
Any sub that I build for myself is going to weight a lot and not just penetrate carpet pad but leave divots in the concrete! My friends won't help me move until I move me speakers first! :P Cheers, Pr .......
468: Speaker Asylum, RE: Since the "pro asylum" went away a few weeks back, I'm stuck asking here... (0.00)
Posted by Presto on 2015-02-01, 16:39:04 (162.157.16.202)
When I first got into DJing I bought these custom built locally made three way speakers they called "T3's". They have a 15" woof, 10" mid and a 1" horn on a 5x15 CD horn. I used them for rock and roll .......
469: Speaker Asylum, RE: Arrived today (0.00)
Posted by Presto on 2015-02-01, 10:35:59 (162.216.155.136)
E-stat: That's awesome! Big difference that extra 12db/octave makes hey? I find 12db/octave nearly useless... 18 is better but I don't even bother with anything less than 4th order these days... and t .......
470: Speaker Asylum, RE: Thanks for the advice (0.00)
Posted by Presto on 2015-01-29, 09:06:14 (207.167.13.69)
Looking forward to it! Cheers, Presto .......
471: Speaker Asylum, RE: You'll likely get different suggestions, but (0.00)
Posted by Presto on 2015-01-28, 13:48:33 (207.167.13.69)
If the crossovers are both 12db/octave 2nd order and have the same Fc (crossover point) then they will add to 24db. Thing is, I can't say how those inline ones work... if they are PLL (Passive Line Le .......
472: Speaker Asylum, RE: You'll likely get different suggestions, but (0.00)
Posted by Presto on 2015-01-28, 10:50:21 (207.167.13.69)
E-Stat is right. 50Hz is very low but 12db/octave is very shallow of a slope. One thing you can do is use a separate outboard 24db/octave crossover if your sub only has 12db/octave. Then you crank the .......
473: General Asylum, RE: LIAR!!! (0.00)
Posted by Presto on 2015-01-27, 09:11:20 (207.167.13.69)
Ah, yes. This explains the "difference so dramatic my wife could hear it from the next room..." that audiophiles so often speak of! Even the dog seems more contented these days... must be the reduced .......
474: Speaker Asylum, RE: Since the "pro asylum" went away a few weeks back, I'm stuck asking here... (0.00)
Posted by Presto on 2015-01-25, 21:56:53 (162.157.16.202)
Oh, okay. So you're not looking to replicate them, or repair them. You just like the bass of those 15 inch speakers. Honestly, I would recommend listening to some 15" based powered speakers until you .......
475: Speaker Asylum, RE: Long shot speaker question about Allen Organ speakers... (0.00)
Posted by Presto on 2015-01-23, 11:14:38 (207.167.13.69)
Tweeters are Peerless, 1" I believe. I can get a model number. Discontinued. May be able to find NOS. Mids appear to be Peerless, self enclosed, http://antiqueradios.com/forums/viewtopic.php?f=15&t=17 .......
476: Computer Audio Asylum, RE: PONO: What it is REALLY about (0.00)
Posted by Presto on 2015-01-16, 08:42:35 (207.167.13.69)
Okay. This is what I am after, so please confirm: DAW -> fantastic quality DAC -> 192 Capture DAW -> fantastic quality DAC -> 44.1 Capture 192 Capture -> resample -> 44.1 Resample. You're saying the 4 .......
477: Computer Audio Asylum, RE: PONO: What it is REALLY about (0.00)
Posted by Presto on 2015-01-15, 15:56:49 (207.167.13.69)
So they downsample to make lower-res formats... geez. WHY? Does it take that much longer to make a new master for that format from a DAC rather than perform a digital file conversion? This is why I do .......
478: Computer Audio Asylum, RE: PONO: What it is REALLY about (0.00)
Posted by Presto on 2015-01-15, 12:08:47 (207.167.13.69)
Didn't they do the harvest DVD-A in 176.4? I see no reason to use 192 kHz if they are doing D->A conversion of the final mix-down off the DAW and sampling that. In that case, the capture method is mut .......
479: Speaker Asylum, RE: Question about bass frequency (0.00)
Posted by Presto on 2015-01-14, 08:14:07 (207.167.13.69)
Well, they used a slightly different driver, or a slightly different box tuning (or both). And the reality is that your room geometry and relative placement of the speakers will make the biggest diffe .......
480: General Asylum, RE: The difference between a music lover and an audiophile: (0.00)
Posted by Presto on 2015-01-13, 08:36:56 (207.167.13.69)
One can be treated. With proper medication. :) The other doesn't need to be! :P Cheers, Presto .......
481: Speaker Asylum, RE: Falls squarely into the category... (0.00)
Posted by Presto on 2015-01-09, 14:57:47 (207.167.13.69)
Also... 25 year old technology is one thing. Some drivers from 25 years ago are still produced. But a driver that's been sitting IDLE for 25 years can have it's own set of mechanical and wear and rott .......
482: General Asylum, RE: "Critical" listening: a one-way ticket to the funny farm? (0.00)
Posted by Presto on 2015-01-09, 13:19:51 (207.167.13.69)
When listening to music becomes too often "critical" then I want a new hobby. With job stress and parenting I have no desire to get wound up over my stereo system these days. That said, when I am audi .......
483: Speaker Asylum, RE: Hmmmm, maybe not all "plastic" tweeters are shrill or hard sounding. (0.00)
Posted by Presto on 2015-01-09, 09:18:41 (207.167.13.69)
You're right, it was an over-generalization, which I usually don't make with speaker cone materials. I guess I am suspicious of non-silk dome tweeters "for me", these days. I have not heart that Gallo .......
484: Speaker Asylum, RE: Worst tweeters I ever heard . . . (0.00)
Posted by Presto on 2015-01-07, 22:04:16 (162.157.16.202)
I wouldn't sweat it too much. Ribbons, for example, tend to have (in general) high-ish 2nd order harmonic distortion which, like some tube amps, is not "more accurate" - just pleasantly distorted! Thi .......
485: Speaker Asylum, RE: Worst tweeters I ever heard . . . (0.00)
Posted by Presto on 2015-01-07, 09:04:26 (50.117.34.254)
Ah yes, the good old TC90K. Heard that in a design from Europe once. Can't even remember the brand. Yeah, that tweeter had a certain hardness about it, definitely a unique sonic character. Not for me. .......
486: Speaker Asylum, RE: Unload the Focals - 2nd that (0.00)
Posted by Presto on 2015-01-05, 08:15:03 (207.167.13.69)
Yeah, as I get older I don't seem to be as partial to extremely rigid cone materials. I do like certain kevlar or fiberglass midranges used properly... some woven, some not. Paper and treated paper is .......
487: Speaker Asylum, RE: Unload the Focals - 2nd that (0.00)
Posted by Presto on 2015-01-04, 12:45:26 (162.157.16.202)
Focal Twin-6be monitors... I will give these a listen - a local music shop has them featured as one of their many brands of studio monitors. I wonder - is that a level control (lpad) or a shelving fil .......
488: Speaker Asylum, RE: Scan speak (0.00)
Posted by Presto on 2015-01-04, 12:35:57 (162.157.16.202)
I was saying I am not partial to Focal metal dome tweeters specifically. As for Be breakup, it's a real phenomenon. Cheers, Presto .......
489: Speaker Asylum, RE: Unload the Focals - 2nd that (0.00)
Posted by Presto on 2015-01-03, 16:47:32 (162.157.16.202)
I used to have speakers (DIY effort) with Focal tc120tdx2 tweeters. Sure, they are "revealing" (like many other good soft-dome) but they shred flute and certain string instruments IMO. I was much happ .......
490: Speaker Asylum, RE: Reality check (0.00)
Posted by Presto on 2014-12-26, 14:54:41 (162.157.16.202)
I dunno. He's seeing if there is a person out there who wants a pristine set of a well-revered classic speaker. So he throws out a line and sees if he gets a nibble... it's not called the free market .......
491: Computer Audio Asylum, RE: In true subjectivist fashion, I'll leave all the hard work to others. (0.00)
Posted by Presto on 2014-12-25, 12:01:32 (162.157.16.202)
Oh rats. I thought I replied... someone must have walked in before I posted! I was going to comment about file size and files being identical. I am wondering if your software comparison indeed include .......
492: Computer Audio Asylum, RE: I wish I had better, "scientifically-agreeable" news for myself and others.... (0.00)
Posted by Presto on 2014-12-22, 21:13:07 (75.159.62.98)
"Now good news: I did NOT hear a difference between rips done - all else being equal - with 2 different rippers (EAC and MusicBee), despite the fact that in this case, files were DIFFERENT." Good news .......
493: Speaker Asylum, RE: Allow me to be devil's advocate, albeit in a gentle way... (0.00)
Posted by Presto on 2014-12-21, 17:09:56 (75.159.62.98)
If you want to try to DIY from MDF, let me know and I will give you some prepping and finishing tips. It's not hard to get a beautiful finish on MDF if it's prepped properly. Routering MDF is very du .......
494: Speaker Asylum, Allow me to be devil's advocate, albeit in a gentle way... (0.00)
Posted by Presto on 2014-12-19, 16:24:33 (207.167.13.69)
I think I know where this guy is coming from. You want a custom top plate. Sounds simple right? Maybe not... If this was my company, I would not be doing my own sheet metal work. Too expensive to buy .......
495: Speaker Asylum, Your question is too vague (0.00)
Posted by Presto on 2014-12-19, 10:29:32 (207.167.13.69)
Give us more information. Is this *really* a subwoofer application, aka, where you would put a sub in a box with a plate-amplifier and put it in the corner and use in mono? Or is this for two "stereo" .......
496: Computer Audio Asylum, Might I suggest... (0.00)
Posted by Presto on 2014-12-16, 12:15:37 (207.167.13.69)
...listening to the SAME RIP, simple stored on different locations on the hard drive! Or the same rip on the same place of the hard drive where the single only difference between both files is a file .......
497: General Asylum, RE: square wave test on speakers (0.00)
Posted by Presto on 2014-12-16, 10:06:12 (207.167.13.69)
The good news is you don't need to test using square waves. You can obtain impulse response or step response using the requisite measurement software. Cheers, Presto .......
498: General Asylum, RE: A funny story about square wave test on speakers (0.00)
Posted by Presto on 2014-12-14, 16:57:27 (69.63.114.3)
The fact that we don't listen to square waves is largely irrelevant - the square wave test is just that. A test. It verifies the existence of a transient accurate system. The big deal is that a transi .......
499: Speaker Asylum, RE: Schematic help please (0.00)
Posted by Presto on 2014-12-13, 16:09:29 (207.167.13.69)
Looks like an RC contour network. A 100 ohm resistor there may as well be a 1000 ohm or 10,000 ohm or 100 Megohm, aka, open circuit. As the value of "R" goes up (exponentially) you approach a simple c .......
500: Speaker Asylum, Sensitivity (0.00)
Posted by Presto on 2014-12-12, 09:15:52 (207.167.13.69)
The final speaker sensitivity is limited, in most cases, by the sensitivity of the midbass driver(s). In this case, the 2.5 way allows for an 89db sensitive speaker because the "0.5" driver does a boo .......
Found total of 500 records, Query: , Author: Presto in All Forums, Time: 2 sec.