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1: News Asylum, Hear Atma-Sphere Class D, N. Utah, for one week only (0.00)
Posted by James Romeyn on 2021-08-10, 17:47:31 (73.127.13.151)
I can demo prototype Atma-Sphere Class D mono blocks in my sound room for about one week after this post. We are 75 minutes NE of Salt Lake City, Utah in zip code 84332. Last reported SRP is $5100/pr. .......
2: News Asylum, Atma-Sphere's New Class D in N. Utah only for several days (0.00)
Posted by James Romeyn on 2021-08-10, 17:42:03 (73.127.13.151)
I can demo prototype Atma-Sphere Class D mono blocks in my sound room for about one week after this post. We are 75 minutes NE of Salt Lake City, Utah in zip code 84332. Last reported SRP is $5100/pr. .......
3: Amp/Preamp Asylum, RE: Life can be funny when it comes to remotes (0.00)
Posted by James Romeyn on 2020-11-06, 22:00:04 (76.27.105.229)
Just to confirm: With how many Alps Blue Velvet pots do you have personal experience? Can you recommend a particular remote volume control for my tube preamp? TX! .......
4: Tubes Asylum, RE: Audio Innovations 500: same mains transformer for 115V and 230V? (0.00)
Posted by James Romeyn on 2020-11-06, 21:43:07 (76.27.105.229)
Thank you Eli! Indeed, the schematic displays 4 primary sections labeled 100V, 20V, 100V and 20V. Thank you for clarifying the 120V wiring method. Peter Qvortrup of Audio Note designed the AI500; AN .......
5: Tube DIY Asylum, RE: Preamp: 5842 w/output transformers (0.00)
Posted by James Romeyn on 2020-11-06, 17:12:07 (76.27.105.229)
Thank you kindly for your help! So far all posts only increase my joy in this new puppy! That Jadis JPL to which we compared this preamp is no slouch. IMO this architecture defines cost no object, sta .......
6: Tube DIY Asylum, Preamp: 5842 w/output transformers (0.00)
Posted by James Romeyn on 2020-11-06, 02:18:22 (76.27.105.229)
A friend made this preamp and ships it to me soon, hopefully also with the schematic. Outboard tube PS not in this image. In the early 00s this preamp compared well to a then-$6k Jadis JPL, a Dick .......
7: Amp/Preamp Asylum, RE: Multiple reviewers have Freya + microphonics (0.00)
Posted by James Romeyn on 2020-11-05, 11:02:12 (76.27.105.229)
Thank you. I think physical contact causing noise at the speaker is workable with light physical contact @ high SPL. Conversely, high-level wide-range speaker output causing tube resonance and a feed .......
8: Amp/Preamp Asylum, RE: REVIEW: Schiit Audio Freya+ Preamplifier (Tube) (0.00)
Posted by James Romeyn on 2020-11-04, 16:32:54 (76.27.105.229)
I respectfully request Freya+ opinions Re. risk of microphonics in a system with virtually unlimited dynamic range and 6 piece subwoofer array flat to 20 Hz or lower comprising dual kilowatt sub amps .......
9: Tubes Asylum, Audio Innovations 500: same mains transformer for 115V and 230V? (0.00)
Posted by James Romeyn on 2020-10-26, 19:10:54 (76.27.105.229)
In the 90s I bought a USA/115V AI Series 500, early version with 3 output taps. I sold it and consider buying one from Europe where they are more common. Do 115V and 230V S500 share the same mains tr .......
10: Amp/Preamp Asylum, RE: "....which IMO own the non-digital preamp market below about $10k SRP." Based on what? (0.00)
Posted by James Romeyn on 2020-02-18, 19:33:19 (76.27.105.229)
Thank you for sharing. .......
11: Amp/Preamp Asylum, RE: Such a question... (0.00)
Posted by James Romeyn on 2020-02-18, 11:48:10 (76.27.105.229)
Yes, I agree, and thanks for your post. The flip side is that I reasonably expect I'd love any of the 3 subjects, which IMO own the non-digital preamp market below about $10k SRP. (Only 3 other non-d .......
12: Amp/Preamp Asylum, Help choose: Tortuga LDR3000T, LTA microZOTL MZ3 or Kinki Studio EX-P7? (0.00)
Posted by James Romeyn on 2020-02-17, 15:15:17 (76.27.105.229)
I narrowed my search to these 3 line stage preamps, 2 released 2019, 1 released 2018. Please comment if you know or suspect one may outperform the other two. For this discussion disregard price differ .......
13: Tubes Asylum, Post here or in "Amp/Preamp" asylum? (0.00)
Posted by James Romeyn on 2020-02-17, 13:23:37 (76.27.105.229)
I seek advice Re. my short list of 3 new line stage preamps, 2 tube and 1 SS. Between this asylum and "Amp/Preamp" which asylum is best? .......
14: Amp/Preamp Asylum, Audition Luxman L-505u N. Utah/S. Idaho? (0.00)
Posted by James Romeyn on 2019-09-10, 18:06:46 (76.27.105.229)
I respectfully request to audition a Luxman L-505u integrated amp in the vicinity of N. Utah/S. Idaho. I would offer a cash reward for the owner's time and trouble. Of course I'm willing to travel to .......
15: Amp/Preamp Asylum, RE: Creek Evo 50 v. Cambridge CXA80? (0.00)
Posted by James Romeyn on 2017-08-30, 13:04:57 (98.202.170.107)
Thanks, all. I bought an almost mint Cambridge CXA-80, delivered/insured for a reasonable $599. Just paid before lunch, and it already shipped from Las Vegas. Surprised FX Ground ETA in N. Utah is a .......
16: Amp/Preamp Asylum, RE: Creek Evo 50 v. Cambridge CXA80? (0.00)
Posted by James Romeyn on 2017-08-29, 20:22:39 (98.202.170.107)
I lean toward the Cambridge. Looking closely at the bench tests (not sure which version of the Creek was tested) favors the higher powered 80 over the 50. Thanks very much for the review link to the 8 .......
17: Amp/Preamp Asylum, Creek Evo 50 v. Cambridge CXA80? (0.00)
Posted by James Romeyn on 2017-08-29, 11:14:31 (98.202.170.107)
Please comment regarding only these two current model integrated amps, especially if you AB'd them. These amps fulfill several special needs not germane to this discussion. Please save everyone's tim .......
18: Amp/Preamp Asylum, RE: Please suggest SS stereo integrated amp (0.00)
Posted by James Romeyn on 2017-08-25, 20:56:17 (98.202.170.107)
Another option is pre-amp only with same features as per the OP. .......
19: Amp/Preamp Asylum, RE: Please suggest SS stereo integrated amp (0.00)
Posted by James Romeyn on 2017-08-25, 20:47:56 (98.202.170.107)
Another option is pre-amp only, with same features as per the OP. .......
20: Amp/Preamp Asylum, RE: Please suggest SS stereo integrated amp (0.00)
Posted by James Romeyn on 2017-08-25, 19:49:08 (98.202.170.107)
Good thought. What's a good pro audio/recording site for this Q? Do you agree pro amps are less likely to have remote? .......
21: Amp/Preamp Asylum, RE: Please suggest SS stereo integrated amp (0.00)
Posted by James Romeyn on 2017-08-25, 17:46:03 (98.202.170.107)
This amp drives a secondary effects speaker associated with the main speaker. The polarity switch demos a bass mode cancelling feature. .......
22: Amp/Preamp Asylum, Please suggest SS stereo integrated amp (0.00)
Posted by James Romeyn on 2017-08-25, 17:24:50 (98.202.170.107)
This is not for primary use, but still, the better is performance the more desirable is your suggestion. This amp powers speaker only above 80 Hz. Required: Reliable SS only, no valves Remote mu .......
23: Vinyl Asylum, RE: True mono cartridges (0.00)
Posted by James Romeyn on 2015-07-27, 09:54:31 (73.20.108.104)
Haruo Takuda (sp?) was the Miyabi engineer who designed that odd $2800 47 Labs Miyabi Mono cartridge with the grommet as described earlier. I'd kill to find a NOS of that cartridge. I suspect he is th .......
24: Vinyl Asylum, RE: Grado monos? (0.00)
Posted by James Romeyn on 2015-07-26, 20:34:57 (73.20.108.104)
From my reading (more than I'll even admit) a true mono cartridge is one that designed to respond exclusively (or almost) to horizontal groove motion, and not to vertical groove motion. The former is .......
25: Vinyl Asylum, One source ) two loads (0.00)
Posted by James Romeyn on 2015-07-26, 12:14:04 (73.20.108.104)
This is just an FYI for persons who might not already know: whenever you externally split one source to drive two loads, the load impedance is split in half. I have personal experience where source A .......
26: Vinyl Asylum, RE: Mono Carts... (0.00)
Posted by James Romeyn on 2015-07-26, 12:01:15 (73.20.108.104)
Thanks, that makes a lot of sense. I would suspect even the $150 Grado would outperform the Shure. .......
27: Vinyl Asylum, Make that 7 carts (0.00)
Posted by James Romeyn on 2015-07-26, 09:48:23 (73.20.108.104)
Leaning toward either of the two Ortofon 2M models. To further cloud the water, add this: Shure Mono M78S $120 plays LPs with optional "SS35C" spherical .7 mil stylus (stock stylus for 78s only): htt .......
28: Vinyl Asylum, RE: 6 mono cartridges $230-$650 (0.00)
Posted by James Romeyn on 2015-07-24, 15:22:43 (73.20.108.104)
The SG demodulator inverts the inverted channel. I know there's no such thing as an RIAA cartridge, but most new cartridges are designed for RIAA curve. It should be fairly easy to simply reply to th .......
29: Vinyl Asylum, RE: I haven't tried them all, but ... (0.00)
Posted by James Romeyn on 2015-07-24, 14:42:27 (73.20.108.104)
Thanks for your gentle hand, appreciated... And thanks for your very helpful first hand report. .......
30: Vinyl Asylum, RE: 6 mono cartridges $230-$650 (0.00)
Posted by James Romeyn on 2015-07-24, 14:25:04 (73.20.108.104)
Let me make this clear relative to the off-topic replies. My stereo cartridge can not in any way be modified for mono because it's not an RIAA cartridge, it's a strain gauge. The demodulator feeds DC .......
31: Vinyl Asylum, RE: 6 mono cartridges $230-$650 (0.00)
Posted by James Romeyn on 2015-07-24, 14:16:38 (73.20.108.104)
Off topic. .......
32: Vinyl Asylum, RE: 6 mono cartridges $230-$650 (0.00)
Posted by James Romeyn on 2015-07-24, 14:08:16 (73.20.108.104)
I hoped against hope that "Respectfully" would do the trick, but alas, it looks like you are rationing your Valium Rx. I'll let Oscar Wilde reply: "Knowing the price of everything and the value of .......
33: Vinyl Asylum, RE: 6 mono cartridges $230-$650 (0.00)
Posted by James Romeyn on 2015-07-24, 13:19:05 (73.20.108.104)
Respectfully, please do your own homework on that question. For an experience to lay waste to academics, please listen to the Beatles Mono Box Set > Miyajima Zero Mono (on appropriate system) and repo .......
34: Vinyl Asylum, 6 mono cartridges $230-$650 (0.00)
Posted by James Romeyn on 2015-07-24, 12:44:33 (73.20.108.104)
Appreciate help in narrowing this list of prospective mono carts. Presume each would be well-matched to arm and step-up (only 2 need the latter). The associated system deserves the Miyajima Zero but c .......
35: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-06, 21:30:16 (73.20.108.104)
I can't help but see analogies between vintage audio and motor vehicles. Remember how easy it was to pick up a used R__ air head? They are worth 4-6x what they used to sell for. It's crazy. ::: TOPIC .......
36: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-06, 12:56:13 (73.20.108.104)
I gotta bring fasteners to tie the mid bass together. Altec page lists everything except fastener hole diameter. Anyone know hole diameter or machine screw size? .......
37: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-06, 12:46:21 (73.20.108.104)
Pre-war boxer (flat twin) BMW motorcycles were "air-heads." "Oil heads" arrived in the early 90s, then liquid cooled boxers finally arrived a couple years ago. Through the early-mid 80s, the old vinta .......
38: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-06, 06:50:07 (73.20.108.104)
Wow, now you're cooking with gas! That sounds more than attractive! Would love to have heard that rig. At a recent show (2015 CES IIRC) Wilson showed coming WHAM replacement to journalists (images on .......
39: High Efficiency Speaker Asylum, RE: Room about 3000sf larger (0.00)
Posted by James Romeyn on 2015-03-06, 06:08:55 (73.20.108.104)
Brain fart, sorry. 14,700cf. Will edit. .......
40: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-05, 20:39:30 (73.20.108.104)
Thank you gentlemen, for your kind and thoughtful replies. Some is as I presumed, but it's nice to see it confirmed rather than going on a hunch. I appreciate all the specific mention of cabinets mode .......
41: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-05, 15:40:47 (73.20.108.104)
Thanks. I suspected exactly what you mention, he might not recoup cost for cabinet labor and materials. I suspect more people would rather build their own cabinets than pay for shipping, which costs a .......
42: High Efficiency Speaker Asylum, RE: Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-05, 12:39:02 (73.20.108.104)
What is estimated lead time to find two OEM cabinets for this midbass and horn? Builder could recondition cabinets needing such. Suppose we compare two pairs of otherwise identical complete vintage A .......
43: High Efficiency Speaker Asylum, Room about 3000sf larger (0.00)
Posted by James Romeyn on 2015-03-05, 11:32:50 (73.20.108.104)
Thanks Don! I visited the shop yesterday while Ryan apparently taught a guitar building class. Wow, the main room is bigger than I thought, 43' x about 43 with 9' ceiling, minus paint booth = total ne .......
44: High Efficiency Speaker Asylum, RE: Does Hi Efficiency really always mean a more accurate listening experience? (0.00)
Posted by James Romeyn on 2015-03-04, 14:20:47 (73.20.108.104)
The amp and speaker must be considered together as a package. The tighter is one's budget the more critical is it to insure the speaker is compatible with tube amp making only 10-15W. Such amp has the .......
45: High Efficiency Speaker Asylum, Enclosure for Altec 416A, 802D? (0.00)
Posted by James Romeyn on 2015-03-04, 13:43:56 (73.20.108.104)
My luthier has two each of the following OEM Altec components in good condition: 802D 16 Ohm compression driver, large horn 416A 16 Ohm Crossover He considers building enclosure for music in the shop .......
46: Tweakers' Asylum, RE: Nude Vishay TX2352/S102K vs. TX2575 (0.00)
Posted by James Romeyn on 2014-10-27, 08:09:45 (98.202.24.92)
I seemed to have clear and repeatable directional preference with all different levels (poly to paper in oil) of non-polarized so-called non-directional caps for loudspeaker crossover. It never occur .......
47: Speaker Asylum, RE: subwoofer connection options (0.00)
Posted by James Romeyn on 2014-09-27, 08:27:07 (98.202.24.92)
Deleted. .......
48: Speaker Asylum, RE: REVIEW: Reference 3A MM de Capo i Speakers (0.00)
Posted by James Romeyn on 2014-09-26, 19:58:11 (98.202.24.92)
deleted .......
49: Speaker Asylum, RE: subwoofer connection options (0.00)
Posted by James Romeyn on 2014-09-26, 19:30:30 (98.202.24.92)
To confirm: Main power amp binding posts > speaker level input on powered sub? The source resistance (amp driving main speakers) is extremely low (about 8 Ohm) compared to the very high load impedance .......
50: Asylum Feedback/Support, Edit "Subject" industry News Asylum? (0.00)
Posted by James Romeyn on 2014-09-06, 14:15:27 (98.202.24.92)
Can I edit subject line without paying second $15 fee? Just to confirm: members can not insert unlimited Hypertext links within the message body. Rather, limit one link per message only at the end, s .......
51: News Asylum, Hear All-New Radiation Pattern in Utah 30 mins NE of Zu Audio, Kimber Kable (0.00)
Posted by James Romeyn on 2014-09-06, 14:14:43 (98.202.24.92)
During any LCS audition we shall, upon your signal, turn off the LCS speakers to allow immediate A-B comparison, mono pole vs. LCS. After this test, check how anxious are you to return to mono pole, b .......
52: Asylum Feedback/Support, RE: Edit "Subject" industry News Asylum? (0.00)
Posted by James Romeyn on 2014-09-06, 13:21:11 (98.202.24.92)
Thanks very much. I desired approximate sum total 3-4 links. How do we add links to the body? I spent time poking around but failed to figure that out. .......
53: Asylum Feedback/Support, Edit "Subject" industry News Asylum? (0.00)
Posted by James Romeyn on 2014-09-06, 11:53:53 (98.202.24.92)
Can I edit subject line without paying second $15 fee? Just to confirm: members can not insert unlimited Hypertext links within the message body. Rather, limit one link per message only at the end, s .......
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