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1: Tube DIY Asylum, RE: Steve Bench dht ac filament hum reduction circuit (0.00)
Posted by genelex on 2020-08-29, 08:20:18 (96.234.119.242)
my I ask what brand of amp and how efficient are your speakers? .......
2: Tube DIY Asylum, RE: Steve Bench dht ac filament hum reduction circuit (0.00)
Posted by genelex on 2020-08-27, 09:56:24 (96.234.119.242)
Forget dc for the moment . The focus of this questions is can we design a ac dht filament hum circuit that performs much better than a hum pot . The Bench circuit apparently does not work that well .......
3: Tube DIY Asylum, RE: Steve Bench dht ac filament hum reduction circuit (0.00)
Posted by genelex on 2020-08-27, 09:55:00 (96.234.119.242)
Forget dc for the moment . The focus of this questions is can we design a ac dht filament hum circuit that performs much better than a hum pot . The Bench circuit (on the right)apparently does not .......
4: Tube DIY Asylum, RE: Steve Bench dht ac filament hum reduction circuit (0.00)
Posted by genelex on 2020-08-26, 11:01:09 (96.234.119.242)
Hello Paul could I apply this ac hum circuit (Steve Bench) work with a direct coupled amp? thanks .......
5: Tube DIY Asylum, RE: "diyhifi filament modules" (0.00)
Posted by genelex on 2020-08-26, 10:54:03 (96.234.119.242)
no not tent labs , they are no longer made. voltage controlled current source board using 3pin regulator .......
6: Tube DIY Asylum, RE: Steve Bench dht ac filament hum reduction circuit (0.00)
Posted by genelex on 2020-08-25, 09:21:07 (96.234.119.242)
I like the coleman regs very much , they replace my diyhifi filament modules and sound better, but I have never heard a 300b with ac (the way it was designed to be used in the 30's) , so Im curious :: .......
7: Tube DIY Asylum, Steve Bench dht ac filament hum reduction circuit (0.00)
Posted by genelex on 2020-08-24, 07:02:10 (96.234.119.242)
Hi folks , I have a diy dc coupled 300b amp (the plate of the resistor loaded d3a tube is wired to the grid of the 300b) and would like to try ac filaments . I currently have the coleman filament r .......
8: Tube DIY Asylum, measured inductance vs. current thru a fixed filter choke (0.00)
Posted by genelex on 2019-02-19, 04:07:07 (108.53.239.40)
happy new year here is an example of what I am trying to understand given: filter choke labeled (30h 55ma) what happens if I only put 25 milliamps thru the choke would the measured inductance go up or .......
9: Tube DIY Asylum, RE: For their vintage electrolytic caps... (0.00)
Posted by genelex on 2018-02-10, 07:09:24 (71.127.215.100)
some only have 2 letters .......
10: Tube DIY Asylum, Mallory capacitor encrypted date codes (0.00)
Posted by genelex on 2018-02-09, 14:42:51 (71.127.215.100)
hello gang does anyone know how to decipher the mallory capacitor date codes that are found on some of the vintage electrolytes examples are "zz" or "AA " thanks .......
11: Tube DIY Asylum, RE: No, because of the common ground. (0.00)
Posted by genelex on 2018-01-25, 13:02:37 (71.127.215.100)
>whole can would be energized only the ground plate of all 3 caps would be energized the positive is only connected to one section .......
12: Tube DIY Asylum, vintage mallory twist-lok muti caps in series (0.00)
Posted by genelex on 2018-01-25, 11:43:24 (71.127.215.100)
If I have 2 mallory twist lok caps example : I have four 100uf,100uf ,50uf at 350v , 350v ,350v I want to use them in an amp with 450v b+ ( I need to end up with 2 50uf at 600v caps) can I put 2 in se .......
13: High Efficiency Speaker Asylum, RE: Edgarhorn seismic owners in NJ manhattan area (0.00)
Posted by genelex on 2017-10-26, 08:59:50 (72.76.4.189)
Have you every compared the two? I have heard that tapped horns "don't work" in this application .......
14: High Efficiency Speaker Asylum, Edgarhorn seismic owners in NJ manhattan area (0.00)
Posted by genelex on 2017-10-23, 12:30:12 (72.76.4.189)
Hi, I am looking to audition the Edgarhorn Siesmic sub in the NJ /manhattan area. I have a Edgarhorn titan system without the sub thanks Genelex .......
15: Tube DIY Asylum, vishay vs wima dc links (0.00)
Posted by genelex on 2017-03-07, 21:21:41 (72.76.6.13)
Has anyone compared the vishay 1848 dc links with the wimas dc links The vishay are much cheaper thanks .......
16: Tube DIY Asylum, why is the 300b that much harder to drive vs. 2a3? (0.00)
Posted by genelex on 2016-12-25, 12:44:48 (72.76.5.39)
looking at the data sheets , it seems that capacitance would not be that different for the 300b vs 2a3. Why can't I use a paralleled 12ax7 to drive the 300b? it works with the 2a3 . I am talking about .......
17: Tube DIY Asylum, why is the 300b that much harder to drive the 2a3? (0.00)
Posted by genelex on 2016-12-25, 12:40:25 (72.76.5.39)
looking at the data sheets , it seems that capacitance would not be that different for the 300b vs 2a3. Why can't I use a paralleled 12ax7 to drive the 300b? it works with the 2a3 . I am talking about .......
18: Tube DIY Asylum, RE: d3a triode wiring (0.00)
Posted by genelex on 2016-12-01, 18:20:57 (72.76.5.39)
So its best to leave one of the cathode pins unconnected ? .......
19: Tube DIY Asylum, d3a triode wiring (0.00)
Posted by genelex on 2016-12-01, 10:25:31 (72.76.5.39)
When triode wiring the d3a how should pins 1 and 3 be handled to best prevent oscillation. I believe they are both connected to the cathode internally . thanks .......
20: Tube DIY Asylum, RE: a new DC coupled amp question (0.00)
Posted by genelex on 2016-07-31, 14:49:52 (72.76.1.192)
I see..... Can you plot the quiescent operating point with the normal load line of the 2a3 with the same cathode resistor when the bias is (0 VOLTs) or do you have to take into account grid current or .......
21: Tube DIY Asylum, a new DC coupled amp question (0.00)
Posted by genelex on 2016-07-31, 13:01:56 (72.76.1.192)
Given that the current through the 2a3 Rk is 70 times more than the current thru the driver plate resistor. If the driver tube was missing or stopped drawing current, wouldn't the grid voltage on .......
22: Tube DIY Asylum, RE: Direct coupled schematic (0.00)
Posted by genelex on 2016-07-30, 19:54:49 (72.76.4.233)
I'm wondering what function r7 has vs. no connection from psu to cathode. .......
23: Tube DIY Asylum, Direct coupled schematic (0.00)
Posted by genelex on 2016-07-30, 16:45:51 (72.76.4.233)
Can someone tell me what is the function of r7 in this amp and is it necessary? thanks .......
24: Tube DIY Asylum, RE: A safe Dc coupled amp (0.00)
Posted by genelex on 2016-07-27, 15:09:53 (72.76.4.233)
I am trying to stick to the original circuit, no plate chokes or ccs maybe something that limits a current or voltage like a sensor or something that would trigger a shutdown (not a fuse) maybe someth .......
25: Tube DIY Asylum, A safe Dc coupled amp (0.00)
Posted by genelex on 2016-07-27, 09:55:34 (72.76.4.233)
Hello Gang , Within the constraint of not changing the given circuit. I looking for ideas on how to include a safety mechanism for this circuit , that will prevent the 300b grid voltage from rising .......
26: Tube DIY Asylum, transformer orientation procedure (0.00)
Posted by genelex on 2015-12-08, 07:50:36 (72.76.0.85)
Hello can someone refresh my memory of how to measure multiple power transformers and get them correctly in phase for best sound in a tube preamp thanks .......
27: Tube DIY Asylum, can I elevate 5687 filaments (2 tubes using 1/2 of each in series (0.00)
Posted by genelex on 2015-11-29, 16:28:14 (72.76.2.121)
I am using 12v dc heaters for a simple 5687 preamp. normally one uses a single tube and elevates at the center tap however I am using only half of two tubes, the halfs are in series. Do I need to floa .......
28: Tube DIY Asylum, RE: triode strap d3a:can wire wound plate resistor cause oscillation ? (0.00)
Posted by genelex on 2015-10-24, 16:41:23 (72.76.3.9)
I guess you mean a carbon comp resistor in series and connected to the plate pin? .......
29: Tube DIY Asylum, RE: triode strap d3a:can wire wound plate resistor cause oscillation ? (0.00)
Posted by genelex on 2015-10-24, 16:38:34 (72.76.3.9)
all 3 grids have 100 ohm carbon comp stoppers .......
30: Tube DIY Asylum, triode strap d3a:can wire wound plate resistor cause oscillation ? (0.00)
Posted by genelex on 2015-10-24, 14:01:03 (72.76.3.9)
triode strap d3a: can wire wound plate resistor cause oscillation ? this resistor is dissapating 4w and is not noninductive 39k @10ma 10w wirewound dropping about 400v .......
31: Tube DIY Asylum, RE: its it ok to use 2 series resistors as plate load (0.00)
Posted by genelex on 2015-10-14, 07:23:08 (72.76.9.5)
the application is the driver of dc coupled 300b where the plate resistor will be going from 600v to 175v @ 10ma .......
32: Tube DIY Asylum, its it ok to use 2 series resistors as plate load (0.00)
Posted by genelex on 2015-10-12, 15:13:25 (72.76.0.115)
is it ok to use 2 series resistors as a triode plate load example; 25k 10w in series with 15k 5 watt to make 40k plate resistor with 10ma current .......
33: Tube DIY Asylum, poor mans drd? Can I use a solid state CCS as driver load (0.00)
Posted by genelex on 2015-10-03, 14:06:17 (72.76.2.232)
poor mans drd? Can I use a solid state CCS as driver load? amp is d3a (triode strap) and 300b .......
34: Tube DIY Asylum, voltage source for drd choke (0.00)
Posted by genelex on 2015-09-26, 17:24:48 (72.76.10.114)
looking at a drd type circuit , why can't the voltage supply for the driver come directly from the B+ instead at the cathode of the final tube. Besides greater heat dissipation in the dropping resisto .......
35: Tube DIY Asylum, RE: plate choke vs filter choke (0.00)
Posted by genelex on 2015-09-26, 17:17:36 (72.76.10.114)
thanks everyone of the input. I have to filter chokes to try as plate chokes 30h 55ma 424ohms and 75h 50ma 2250ohm .......
36: Tube DIY Asylum, plate choke vs filter choke (0.00)
Posted by genelex on 2015-09-25, 07:19:12 (72.76.10.114)
What is the difference between a plate choke and a filter choke can I use a filter choke as a plate choke in a 300b drd circuit? how much inductance do a need? Ex: komuro used a 30h choke in his 300b .......
37: Tube DIY Asylum, schematic question (0.00)
Posted by genelex on 2015-09-22, 10:00:41 (72.76.10.114)
Can someone tell me the function of the cap and 10 ohm resistor across the Output transformer 16 ohm tap? .......
38: Tube DIY Asylum, direct coupled amp schematic question (0.00)
Posted by genelex on 2015-08-29, 05:53:55 (72.76.7.72)
is it necessary to have a connection to the b+ at C4? Besides blocking dc is C4 doing anything? thanks .......
39: Tube DIY Asylum, RE: DC 300b amp ,which resistors will need to be adjustable (0.00)
Posted by genelex on 2015-08-18, 16:52:31 (72.76.7.84)
Thanks Paul Yes I a will be using dc 5v filament supply .......
40: Tube DIY Asylum, DC 300b amp ,which resistors will need to be adjustable (0.00)
Posted by genelex on 2015-08-18, 10:24:20 (72.76.7.84)
I am building a dc 300b amp using this circuit IN order to dial in my voltages which resistors should be adjustable (initially) My guess is the 2 cathode resistors thanks .......
41: Tube DIY Asylum, RE: loftin white : voltages (0.00)
Posted by genelex on 2015-08-04, 20:21:22 (72.76.12.217)
surprise surprise, I am working on a 300b amp .......
42: Tube DIY Asylum, loftin white : voltages (0.00)
Posted by genelex on 2015-08-04, 07:21:31 (72.76.12.217)
I have heard that the plate to cathode voltage of the output tube in a loftin white should be about half of the B+. Is this true and why? what happens if I have B+ 518v and 310v from plate to catho .......
43: High Efficiency Speaker Asylum, Low pass filter for Edgar's Midbass horn (0.00)
Posted by genelex on 2015-04-20, 09:26:51 (72.76.11.67)
Hello Can you tell me what frequency and order of low pass filter you used with the edgarhorn 80hz horn to intergrate to your subs? I have a marchand xm44 here and want to try 3 settings to integrate .......
44: Tube DIY Asylum, RE: adding headphones to simple 5687 preamp (0.00)
Posted by genelex on 2015-04-16, 10:55:36 (72.76.11.67)
my amps are at least 100k input z .......
45: Tube DIY Asylum, RE: adding headphones to simple 5687 preamp (0.00)
Posted by genelex on 2015-04-16, 09:59:45 (72.76.11.67)
yes thats what I want to do, but will I get switching noise if I have a switch at the plate? .......
46: Tube DIY Asylum, RE: adding headphones to simple 5687 preamp (0.00)
Posted by genelex on 2015-04-16, 05:53:28 (72.76.11.67)
When I bread boarded the circuit I used a great sounding 0.1uf audionote copper mylar for the output. I don't think a large one (parafeed cap needs to be approx 8uf for a 10k primary) will sound as go .......
47: Tube DIY Asylum, adding headphones to simple 5687 preamp (0.00)
Posted by genelex on 2015-04-15, 09:57:52 (72.76.11.67)
I would like to add a switch at the plate of the 5687 that toggles between (a 0.1uf cap for line out) and (large parafeed cap with 10k:150ohms stepdown transformers for headphone output). Do you th .......
48: Tube DIY Asylum, RE: UTC output transformers LS-63 (0.00)
Posted by genelex on 2015-04-14, 16:07:55 (141.0.8.155)
Its sounds like I have 2 votes for giving them a try with se 2a3's So I will let you know how it sounds. I have some good magnequest iron to compare them with. .......
49: Tube DIY Asylum, UTC output transformers LS-63 (0.00)
Posted by genelex on 2015-04-14, 07:11:45 (141.0.8.155)
Hello , I have a pair of utc ls-63 opt and they were just tested in a pp 6v6 amp and are working at 300v b+ Do you think these old transformers: 1.Are still as good as new production stuff 2. Have .......
50: Tube DIY Asylum, RE: stereo amp flywheel supply, 40% more hum in one channel (0.00)
Posted by genelex on 2015-02-21, 14:10:01 (72.76.2.77)
Dr low mu was right! I replaced L2 with another edcor 2h choke that I had and the hum dropped down! I guess all chokes are not the same. .......
51: Tube DIY Asylum, RE: stereo amp flywheel supply, 40% more hum in one channel (0.00)
Posted by genelex on 2015-02-19, 13:14:37 (141.0.8.156)
Even if hum is being generated from position of a cap or transformer, both amps are symmetrical so the problem should be the same on each side no? .......
52: Tube DIY Asylum, stereo amp flywheel supply, 40% more hum in one channel (0.00)
Posted by genelex on 2015-02-19, 10:03:50 (141.0.8.156)
Hello, I have 2 stereo amps one 2a3 and other 300b, both identical psu. Hight voltage power transformer (no center tap) > graetz hybrid bridge(rectifer tube with virtual center tap ) > L1 35mh > c1 .......
53: MagneQuest/Peerless Forum, grid choke (0.00)
Posted by genelex on 2014-12-04, 06:48:56 (72.76.6.245)
Can a magnequest grid choke be used as a plate choke in a preamp triode stage with 2ma current? thanks .......
54: Tube DIY Asylum, RE: schematic question (0.00)
Posted by genelex on 2014-11-09, 16:56:00 (141.0.8.155)
how can it regulate when there is no voltage reference? .......
55: Tube DIY Asylum, schematic question (0.00)
Posted by genelex on 2014-11-09, 12:22:38 (141.0.8.155)
Does anyone know what the transistor is doing in the heater supply is it lowering the output impedance? .......
56: Tube DIY Asylum, RE: preamp with paralled outputs degrading audio (0.00)
Posted by genelex on 2014-09-18, 09:57:42 (141.0.8.142)
Can I have one gain stage dc coupled to 2 cathode followers? Or do I need to convert the preamp to 4 channel .......
57: Tube DIY Asylum, RE: XLR Adapter (0.00)
Posted by genelex on 2014-09-16, 20:53:41 (141.0.8.157)
its just a plug that has one signal and 2 ground pins like bottom picture .......
58: Tube DIY Asylum, RE: preamp with paralled outputs degrading audio (0.00)
Posted by genelex on 2014-09-16, 19:22:50 (141.0.8.157)
heres a picture of the behringer I just remebered that I am using an rca to xlr adapter into the behringer inputs maybe thats part of the cause? .......
59: Tube DIY Asylum, preamp with paralled outputs degrading audio (0.00)
Posted by genelex on 2014-09-16, 18:17:25 (72.76.3.133)
I have a dc coupled 6sn7 preamp with 2 set of outputs (in parallel) similar to dc version below: I am driving a tube amp with 470k input z and a behringer dcx2496 crossover on the other outputs wit .......
60: Tube DIY Asylum, good, cheap, parafeed headphone transformers (0.00)
Posted by genelex on 2014-06-16, 12:10:57 (72.76.5.50)
Hello , I have a diy 6sn7 preamp with headphone. Its a gain stage dc coupled to cathode follower . The output cap is 5uf. Headphone trans are connected at the output. The trans I am using are 10k-600 .......
61: Tube DIY Asylum, thanks for all your help on this! NT (0.00)
Posted by genelex on 2014-04-02, 10:46:21 (72.76.10.3)
.thanks for all your help on this! NT .......
62: Tube DIY Asylum, specifing a power transformer for pre PSU (0.00)
Posted by genelex on 2014-04-01, 18:48:46 (72.76.10.3)
Hello , Can someone tell me what Voltage power transformer I need for this regulated psu? Its for a 6sn7 preamp and the total current draw will be about 10ma. The choke will be 10h 400ohm and the o .......
63: Tube DIY Asylum, tube preamp mod causing hummmmmmmmmmmmmm (0.00)
Posted by genelex on 2014-02-02, 21:38:03 (72.76.10.3)
I have just replaced the 2 caps in a Pi filter from small electrolytic to large solen and mundorf with bypass that won't fit in the chassis of my preamp ,so I extended 4 kimber tcss wires ,2 ground, 2 .......
64: MagneQuest/Peerless Forum, qs-025 a sceww fell in the transformer (0.00)
Posted by genelex on 2013-12-20, 10:37:33 (141.0.9.75)
Hello Mike , I have a qs-025 and a small screw got lodged in the transformer. It fell into the hole . Can I safely take off the bell ends. this trans is from about 1993 thanks .......
65: Tube DIY Asylum, RE: Loftin white 2a3 with CCS on 2a3 (0.00)
Posted by genelex on 2013-12-06, 10:47:43 (141.0.9.59)
I only put it up to show that a CCs will not work in the output stage of this type of circuit. .......
66: Tube DIY Asylum, RE: Loftin white 2a3 with CCS on 2a3 (0.00)
Posted by genelex on 2013-12-06, 08:18:35 (141.0.9.59)
sorry this was a dumb question ,it might work with a parafeed but not the conventional loftin white .......
67: Tube DIY Asylum, Loftin white 2a3 with CCS on 2a3 (0.00)
Posted by genelex on 2013-12-05, 11:55:20 (141.0.8.139)
Is it possible to use a CCS on the power tube of a DC coupled 2a3 amp ? .......
68: Tube DIY Asylum, RE: cap size question picture (0.00)
Posted by genelex on 2013-07-05, 14:19:47 (141.0.8.157)
i/v trans top leg in series with a capacitor in series with grid... bottom leg of I/v goes to ground... (the grid of the 6dj8 cathode follower is a voltage divider 100k on top and 500k to ground ,whi .......
69: Tube DIY Asylum, RE: cap size question picture (0.00)
Posted by genelex on 2013-07-04, 09:20:40 (72.76.12.31)
Dave, there is 2.5v dc between primary and secondary .......
70: Tube DIY Asylum, RE: cap size question picture (0.00)
Posted by genelex on 2013-07-03, 19:53:38 (72.76.12.31)
Unfortunately the designer passed away so I don't know anything about this I/v transformer other than its small and I might not be able to handle any dc .......
71: Tube DIY Asylum, RE: cap size question (0.00)
Posted by genelex on 2013-07-03, 19:46:29 (72.76.12.31)
sorry for the lack of drawing in this case there is a cap between the i/v transformer and the grid I am not talking about the out cap 100K | +i/v trans|--4.7 .......
72: Tube DIY Asylum, RE: cap size question (0.00)
Posted by genelex on 2013-07-03, 13:47:10 (72.76.12.31)
sorry if I did not give enough info to answer the question the circuit is : dac> i/v transformer (on leg of secondary grounded other leg connected to 4.7uf solen ,then voltage divider 100k on top and .......
73: Tube DIY Asylum, RE: cap size question (0.00)
Posted by genelex on 2013-07-02, 17:41:57 (72.76.12.31)
no its a cap that follows and interstage transformer ,after the cap is the grid .......
74: Tube DIY Asylum, cap size question (0.00)
Posted by genelex on 2013-07-02, 15:38:10 (141.0.8.158)
Hello, I have an audio logic dac , it has i/v transformers followed by a 4.7 uf solen cap going into the grid of a cathode follower 6922 the cathode follower is fixed bias. What formula would I use to .......
75: Tube DIY Asylum, 300b amp question (0.00)
Posted by genelex on 2012-05-16, 14:52:54 (72.79.112.124)
In this schematic will connecting the signal between the triodes of the 6sn7 (at the grid) effect anything other than lowering the gain ? .......
76: Tweakers' Asylum, removing plastic on jensen pio capacitors (0.00)
Posted by genelex on 2011-12-24, 20:21:08 (68.239.230.35)
Do you think that removing the clear plastic from Jensen paper in oil ,will improve the sound ? if so why is it? thanks and happy holiday .......
77: High Efficiency Speaker Asylum, RE: opinions on subwoofer for Diy Edgarhorn system (picture) (0.00)
Posted by genelex on 2011-06-30, 21:07:03 (72.79.113.182)
thanks for all the suggestions , I am tempted to try the tapped horn but I a really don't have much room and I think the may be more critical of postioning and my horn starts rolling off at 100hz and .......
78: Tube DIY Asylum, RE: using c3m as driver in JE labs 300b amps (0.00)
Posted by genelex on 2011-06-23, 09:15:30 (72.79.113.182)
I have thought about the Komuro although it might be more advanced them what I am ready for. (I have built 3 amps thus far) have you heard this amp? I wonder which choke would be used? .......
79: Tube DIY Asylum, using c3m as driver in JE labs 300b amps (0.00)
Posted by genelex on 2011-06-23, 07:13:27 (72.79.113.182)
Hello , I have a pair of Je labs 300b amps and would like to try the c3m driver. I would like to try a lower voltage operating point also . I am currently running it at 425v 60ma and I have a pair of .......
80: High Efficiency Speaker Asylum, RE: opinions on subwoofer for Diy Edgarhorn system (picture) (0.00)
Posted by genelex on 2011-06-14, 07:47:51 (72.79.113.182)
Yes I have read them and they sound promising, I have not seen to many people using them yet. .......
81: High Efficiency Speaker Asylum, opinions on subwoofer for Diy Edgarhorn system (picture) (0.00)
Posted by genelex on 2011-06-14, 06:55:16 (72.79.113.182)
seeking opinions on what to use or build for low bass below the 80hz Edgarhorns that will fit in front of my tv heres the picture of my room. there is not much space. I am using EVM15B's and Dr. Ed .......
82: High Efficiency Speaker Asylum, RE: Best way to attenuate horns : resitstors or autoformers? (0.00)
Posted by genelex on 2011-03-10, 08:00:46 (68.239.228.22)
It sounds like the best attenuation method will depend on the particular drivers and horn system. In my case I have (first order crossover) ,8 ohm horn woofer ,8 ohm tweeter horns and 16 ohm mid (JBL .......
83: High Efficiency Speaker Asylum, RE: Consider Dave Slagle's autoformers (0.00)
Posted by genelex on 2011-03-05, 15:39:01 (68.239.228.22)
Rick I was thinking of your solutions for the Edgarhorns alas can't afford $300 right now. Lots of ideas a no cash was just thinking of trying to diy the 8 gauge inductors , it might work but the copp .......
84: High Efficiency Speaker Asylum, RE: Best way to attenuate horns : resitstors or autoformers? (0.00)
Posted by genelex on 2011-03-05, 05:18:03 (68.239.228.22)
Thanks I saw those on ebay , what horns are you going to use them on ? let us know how you like them here is the ebay item description: A pair of autotransformers to allow the perfect adjustment of vo .......
85: High Efficiency Speaker Asylum, RE: Best way to attenuate horns : resistors or autoformers? (0.00)
Posted by genelex on 2011-03-04, 16:42:24 (68.239.228.22)
have you used the 3636 with horns as opposed to resistors or l-pads if so which was better sounding? .......
86: High Efficiency Speaker Asylum, Best way to attenuate horns : resitstors or autoformers? (0.00)
Posted by genelex on 2011-03-04, 13:49:40 (69.160.224.34)
I have Diy Edgarhorn Titan setup what is the best way to attenuate the drivers? I had fixed resistors but want more flexibilty like ladder attenuators or autoformers thanks .......
87: High Efficiency Speaker Asylum, Edgar 80 Hz horn with evm15b: opinion needed (0.00)
Posted by genelex on 2010-09-06, 07:13:45 (72.79.104.187)
My Question ; have any edgar bass horn users reconed a pair of EV evm15b woofers? If so what difference did it make? Dr. Edgar states that reconing the evm15b will restore the "snap" My pair of ev .......
88: MagneQuest/Peerless Forum, QS 025 (0.00)
Posted by genelex on 2009-11-01, 20:34:01 (151.198.138.157)
I have a pair of silver ds025 that had never been connected with 16 ohm tap in my fi2a3. Now that I have connected it ,will it need to brake in as if it was a new transformer? I think silver goes thru .......
89: High Efficiency Speaker Asylum, RE: altec 515b and Edgar 80hz midbass (0.00)
Posted by genelex on 2009-10-19, 20:59:22 (151.198.154.210)
djn : do you think there is a better woofer for the edgar 80hz horn than the altec 515b ,I do have a sub ,thanks David .......
90: High Efficiency Speaker Asylum, altec 515b and Edgar 80hz midbass (0.00)
Posted by genelex on 2009-10-19, 07:25:13 (151.198.154.210)
Any one try using altec 515b in the 80hz horn ,looking for opinions on best match for the jbl alnico 2441 midrange. I have the evm15b now thanks David .......
91: Tube DIY Asylum, good oil caps for crossover on a budget (0.00)
Posted by genelex on 2008-11-29, 15:46:24 (151.198.160.200)
Hi, I have a pair of edgar slimline speakers and I just got a set of 2@ 5uf for tweeters and 2@40uf for mid vintage pio ge oil caps fron Dr. edgar, they are large grey oval shaped with large terminals .......
92: SET Asylum, ASL aq-1006dt ps mods (0.00)
Posted by genelex on 2007-08-28, 12:44:16 (96.225.19.196)
I am planning to replace the large filter caps in the power supply for the 845 tube pi filter . I have heard that the ones after the choke have more impact on the sound as compared with the ones be .......
93: SET Asylum, Re: paper in oil k40s (0.00)
Posted by genelex on 2006-10-13, 19:56:45 (68.45.19.185)
setdude, I have been trying to get back intouch with you Its David ,the guy who bought the rel strata can you email me? heres my address davidabrown8@verizon.net I was thinking of using audionotes I w .......
94: SET Asylum, Re: antique sound labs aq1006 dt amps (0.00)
Posted by genelex on 2006-10-13, 11:49:03 (68.45.2.169)
setdude I have been trying to contact you Its David who bought the rel strata can you send me your email I final took the SET plunge and am loving it David .......
95: SET Asylum, antique sound labs aq1006 dt amps (0.00)
Posted by genelex on 2006-10-11, 15:42:16 (138.89.34.193)
Is there anyone who has benefitted from changing coupling caps in this 845 amp . the cuurent caps are infinicap sigs and each amp has two caps. I was thinking of having a tech install mundorf siver fo .......
96: Inmate Systems, genelex's Can I afford to keep it? (0.00)
Posted by genelex on 2005-10-16, 20:49:33 (138.89.73.156)
To add your system, you must register .">
Audio Asylum Inmate genelex's Can I afford to keep it? System
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