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REGENCY HF1000 HF-1000 AMP + PREAMP - archaicaudio@webtv.net

Best amp for horn 150 – 750 Hz - rick57@optusnet.com.au 22:25:37 01/31/06 (3)
- I think you have to go SE... - JeffreyJ 22:36:05 02/03/06 (1)
  - Yes - Lower power 845 and/ or 845 driven by a 45 circuits?l - rick57@optusnet.com.au 03:10:06 02/04/06 (0)
- Re: Best amp for horn 150 – 750 Hz - MIchael Samra 02:11:32 02/01/06 (0)
reduce gain on power amp question . - lovetube 17:31:42 01/31/06 (18)
- Reducing the gain. - Poindexter 11:24:08 02/02/06 (2)
  - Re: Reducing the gain. - lovetube 17:09:56 02/02/06 (1)
    - Re: Reducing the gain. - Poindexter 07:16:34 02/03/06 (0)
- Try this simple tweak.. - cheap-Jack 12:03:11 02/01/06 (1)
  - Re: Try this simple tweak.. - lovetube 17:07:22 02/01/06 (0)
- Re: reduce gain on power amp question . - beermanpete@socal.rr.com 23:22:48 01/31/06 (0)
- Re: reduce gain on power amp question . - dave slagle 21:07:06 01/31/06 (5)
  - Question Dave - Russ57 04:41:27 02/01/06 (4)
    - Re: Question Dave - dave slagle 08:30:53 02/01/06 (3)
      - Now I see said the blind man...thanks(nt) - Russ57 09:25:09 02/01/06 (0)
      - step up and step down autoformers - mqracing 09:18:10 02/01/06 (1)
        
        Re: step up and step down autoformers - dave slagle 10:41:26 02/01/06 (0)
- Re: reduce gain on power amp question . - Chris O 18:17:55 01/31/06 (5)
  - Re: reduce gain on power amp question . - lovetube 19:00:31 01/31/06 (4)
    - Re: reduce gain on power amp question . - Chris O 19:18:37 01/31/06 (3)
      - Re: reduce gain on power amp question . - lovetube 19:24:21 01/31/06 (2)
        
        Re: reduce gain on power amp question . - Chris O 05:14:19 02/01/06 (1)
        
        Re: reduce gain on power amp question . - lovetube 05:34:40 02/01/06 (0)
Using rectifier heater voltage for Stand By? - PeterP 12:47:56 01/31/06 (2)
- Re: Using rectifier heater voltage for Stand By? - ottoamps 15:40:20 01/31/06 (1)
  - Re: Using rectifier heater voltage for Stand By? - PeterP 18:53:54 01/31/06 (0)
How good are bench power supplies for filaments? - andy evans 12:42:45 01/31/06 (7)
- Build one - fatbottle 00:31:44 02/01/06 (1)
  - Re: Build one - andy evans 03:31:38 02/01/06 (0)
- Depends ... - Naz 20:59:18 01/31/06 (0)
- Re: How good are bench power supplies for filaments? - PeterP 19:20:45 01/31/06 (0)
- Re: How good are bench power supplies for filaments? - MIchael Samra 15:59:06 01/31/06 (2)
  - Re: How good are bench power supplies for filaments? - andy evans 16:28:25 01/31/06 (1)
    - thoughts - Ed Sawyer 19:29:54 01/31/06 (0)
Rectifier flash at switch-on. Any ideas? - Steve King 11:16:41 01/31/06 (8)
- It just occured - unclestu52 09:49:41 02/01/06 (0)
- Re: Rectifier flash at switch-on. Any ideas? - Jimmy 19:19:03 01/31/06 (0)
- Re: Rectifier flash at switch-on. Any ideas? - JeffreyJ 19:18:44 01/31/06 (0)
- Is it a new tube? The reason I ask is because - Bas Horneman 11:31:06 01/31/06 (4)
  - Re: Is it a new tube? The reason I ask is because - unclestu52 12:52:43 01/31/06 (1)
    - Yes..very hard to see...since they are also of the patato masher type :-) nt - Bas Horneman 14:59:04 01/31/06 (0)
  - Re: Is it a new tube? The reason I ask is because - Steve King 12:14:40 01/31/06 (1)
    - In that case...I would try to get a new one under warrantee...or something..nt - Bas Horneman 12:36:02 01/31/06 (0)
Making Aikido happy with Amity - rick57@optusnet.com.au 22:34:09 01/30/06 (6)
- Driving Miss Amity - Lynn Olson 11:28:27 02/01/06 (4)
  - Okay, now I have a question - Russ57 11:57:30 02/01/06 (2)
    - Re: Okay, now I have a question - dave slagle 19:44:16 02/01/06 (0)
    - And I'm baffled - Lynn Olson 15:34:16 02/01/06 (0)
  - Re: Driving Miss Amity - Lynn Olson 11:31:19 02/01/06 (0)
- Re: Making Aikido happy with Amity - David McGown 04:27:00 01/31/06 (0)
EL84-2A3 - Rino 16:45:58 01/30/06 (6)
- Re: Thank you... math/datasheet questions (?) - Rino 04:59:15 01/31/06 (2)
  - long post blipped into outerspace so... - -3db 23:24:29 01/31/06 (1)
    - Re: No luck... - Rino 18:24:09 02/02/06 (0)
- EL84-2A3 DC: search for 811a SET, and look at drivers. - -3db 22:17:39 01/30/06 (0)
- EL84-2A3 DC: search for 811a SET, and look at drivers. - -3db 22:10:39 01/30/06 (0)
- can it be done-yes!, has it been done-no. - Quest 18:11:21 01/30/06 (0)
SETclipping questions... - Sugardawg34 12:22:58 01/30/06 (42)
- What's the status? - ottoamps 21:17:11 02/04/06 (0)
- Sounds like you're doing pretty good to me - ottoamps 16:47:32 01/31/06 (1)
  - ottoamps... - Sugardawg34 18:32:09 02/01/06 (0)
- Re: SETclipping questions... - dave slagle 09:34:02 01/31/06 (23)
  - That was exactly what I asked. (nt) - cheap-Jack 13:16:01 01/31/06 (22)
    - Re: That was exactly what I asked. (nt) - Sugardawg34 13:27:54 01/31/06 (21)
      - If it got enough volume & sounds good, why.. - cheap-Jack 08:28:48 02/01/06 (18)
        
        You're missing the point... - Sugardawg34 01:27:32 02/02/06 (1)
        
        I don't think so. - cheap-Jack 08:46:58 02/02/06 (0)
        
        some are missing the concept - Joel Tunnah 09:52:10 02/01/06 (15)
        
        Re: some are missing the concept - dave slagle 10:50:09 02/01/06 (14)
        
        Re: some are missing the concept - Joel Tunnah 19:04:01 02/01/06 (2)
        
        Re: some are missing the concept - dave slagle 21:59:59 02/01/06 (1)
        
        Re: some are missing the concept - Sugardawg34 22:18:04 02/01/06 (0)
        
        Dave I'd like to reach a common understanding - Russ57 15:41:27 02/01/06 (9)
        
        This is my common unstanding with Dave.. - cheap-Jack 09:06:07 02/02/06 (0)
        
        Re: Dave I'd like to reach a common understanding - dave slagle 21:20:20 02/01/06 (1)
        
        Yes, this is the goal of DIY.. - cheap-Jack 07:55:19 02/02/06 (0)
        
        Could I be on to something here??... - Sugardawg34 18:18:13 02/01/06 (5)
        
        Yup, I think ottoamps is right about the voltage thing - Russ57 10:24:21 02/02/06 (3)
        
        Re: Yup, I think ottoamps is right about the voltage thing - Sugardawg34 12:19:15 02/02/06 (2)
        
        Sorry about the slow response - ottoamps 19:51:33 02/02/06 (1)
        
        Re: Sorry about the slow response - Sugardawg34 21:37:32 02/02/06 (0)
        
        Re: Could I be on to something here??... - dave slagle 21:46:12 02/01/06 (0)
        
        Well said, Dave. - cheap-Jack 12:16:42 02/01/06 (0)
      - Let me try and explain - Russ57 15:07:01 01/31/06 (1)
        
        good post Russ. (nt) - Joel Tunnah 05:42:44 02/01/06 (0)
- Re: SETclipping questions... - Joel Tunnah 07:33:21 01/31/06 (5)
  - Re: SETclipping questions... - Sugardawg34 12:31:22 01/31/06 (4)
    - Joel, if he said pretty please would you fire up tube cad? - Russ57 15:28:46 01/31/06 (3)
      - While that would certainly be nice, - Sugardawg34 16:30:49 01/31/06 (2)
        
        Re: While that would certainly be nice, - ottoamps 18:38:04 01/31/06 (0)
        
        Re: While that would certainly be nice, - Russ57 17:19:05 01/31/06 (0)
- Russ is right .... - KIS 04:16:48 01/31/06 (0)
- Re: SETclipping questions... - Russ57 15:58:08 01/30/06 (3)
  - Re: SETclipping questions... - Sugardawg34 17:51:02 01/30/06 (2)
    - Re: SETclipping questions... - dave slagle 18:55:21 01/30/06 (1)
      - I think so, too. - cheap-Jack 07:33:56 01/31/06 (0)
- "Enough gain" or not. Same popular concerns. - cheap-Jack 12:58:21 01/30/06 (0)
- Or, just use a preamp - Chris O 12:36:07 01/30/06 (2)
  - Let me add one more thing... - Sugardawg34 12:41:46 01/30/06 (1)
    - Makes a big difference - BofService 13:33:22 01/30/06 (0)
Getting a Fisher 480A Amp to work without the Pre/Tuner - bru7 12:14:10 01/30/06 (4)
- Re: Getting a Fisher 480A Amp to work without the Pre/Tuner - Bru7 07:27:40 02/01/06 (1)
  - Re: Getting a Fisher 480A Amp to work without the Pre/Tuner - corerosin 21:40:39 02/01/06 (0)
- Re: Getting a Fisher 480A Amp to work without the Pre/Tuner - corerosin 01:53:45 01/31/06 (0)
- Re: Getting a Fisher 480A Amp to work without the Pre/Tuner - corerosin 01:36:20 01/31/06 (0)
Allen Wright style cascaded long tail pair? - panos29@yahoo.com 12:00:40 01/30/06 (20)
- Re: Allen Wright style cascaded long tail pair? - panos29@yahoo.com 01:18:44 02/10/06 (0)
- Re: Allen Wright style cascaded long tail pair? - panos29@yahoo.com 01:43:41 02/01/06 (0)
- Re: Allen Wright style cascaded long tail pair? - panos29@yahoo.com 02:14:00 01/31/06 (12)
  - Re: Allen Wright style cascaded long tail pair? - Allen Wright 03:52:04 01/31/06 (11)
    - 6N6P data - kenev 08:20:35 02/02/06 (4)
      - Thanks for the exact 6N6P data link! - Allen Wright 06:00:09 02/03/06 (2)
        
        Re: Thanks for the exact 6N6P data link! - kenev 12:58:30 02/03/06 (1)
        
        Could you please give an example, say for an ECC88? - Allen Wright 15:29:46 02/03/06 (0)
      - Re: 6N6P data - kenev 08:24:39 02/02/06 (0)
    - Re: Allen Wright style cascaded long tail pair? - panos29@yahoo.com 04:24:33 01/31/06 (5)
      - Only thing I do not know is at what point I got to bias the top triodes? - Allen Wright 02:06:53 02/02/06 (4)
        
        Re: Only thing I do not know is at what point I got to bias the top triodes? - panos29@yahoo.com 08:12:59 02/02/06 (3)
        
        I have something wrong? - Allen Wright 15:25:05 02/03/06 (2)
        
        Re: I have something wrong? - panos29@yahoo.com 04:25:07 02/04/06 (1)
        
        Re:Do I have something wrong(LTPC schematic)? - panos29@yahoo.com 06:33:36 02/07/06 (0)
- Would need a llt more data to be able to help. - Allen Wright 14:33:51 01/30/06 (0)
- Re: Allen Wright style cascaded long tail pair? - fatbottle 14:09:36 01/30/06 (3)
  - 6080 and 5998 are just diff manuf. and shape, same tube essentially - richardl 14:34:53 01/30/06 (2)
    - Re: 6080 and 5998 are diff manuf, not same tube essentially - -3db 22:37:13 01/30/06 (1)
      - Glad you caught this, I looked it up and saw I had it backwards. - richardl 09:27:43 02/03/06 (0)
Tube based constant current source - tubes R cool 11:00:47 01/30/06 (8)
- Yes, it has to be regulated and.... - grhughes 12:37:19 01/30/06 (7)
  - Re: Yes, it has to be regulated and.... - tubes R cool 15:02:31 01/30/06 (6)
    - Heater-cathode voltage limits. - grhughes 15:37:46 01/30/06 (5)
      - Re: Heater-cathode voltage limits. - tubes R cool 10:56:42 01/31/06 (4)
        
        12AT7 makes a decent CCS.... - grhughes 13:09:26 01/31/06 (3)
        
        triode/sharp cutoff pentode CCS - Tom Dawson 14:12:05 01/31/06 (2)
        
        what triode/pentode ? That's interesting! - grhughes 14:47:19 01/31/06 (1)
        
        Re: what triode/pentode ? That's interesting! - Tom Dawson 15:11:25 01/31/06 (0)
safety fuse - tubesin 08:06:58 01/30/06 (6)
- Re: safety fuse - TubeHistory 13:46:11 01/30/06 (1)
  - Re: safety fuse - shermanr@prw.net 10:48:38 02/01/06 (0)
- Re: safety fuse - PeterP 11:05:08 01/30/06 (0)
- Re: safety fuse - -e 08:56:50 01/30/06 (2)
  - Re: safety fuse - tubesin 00:15:22 01/31/06 (0)
  - Re: safety fuse - BTK 10:33:59 01/30/06 (0)
PC based oscilloscope/analyser - advice please - Steve King 03:55:33 01/30/06 (4)
- Re: PC based oscilloscope/analyser - advice please - David Gill 08:11:30 01/30/06 (0)
- experience with pico - Gordon Rankin 07:30:47 01/30/06 (2)
  - Re: experience with pico - Hacknet 20:53:27 01/31/06 (1)
    - Re: experience with pico - Naz 21:54:51 02/02/06 (0)
Wire sleeving. - PeterP 20:02:03 01/29/06 (11)
- Have you looked at Ven Haus Audio's offerings? nt - bartc 12:22:53 01/30/06 (0)
- It is not a matter of being "more flexible". - cheap-Jack 09:28:57 01/30/06 (6)
  - Re: It is not a matter of being "more flexible". - PeterP 10:38:35 01/30/06 (5)
    - Yes, it a matter of taste for outer sleeving. - cheap-Jack 11:16:59 01/30/06 (4)
      - Re: Yes, it a matter of taste for outer sleeving. - Steve Eddy 11:53:25 01/30/06 (3)
        
        Call: 803-531-2174 (nt) - cheap-Jack 11:55:23 01/30/06 (2)
        
        Thanks. Though you could have given their toll-free number (866 272-4118) nt - Steve Eddy 12:06:02 01/30/06 (1)
        
        So you want to eat the cake & still want to have it. - cheap-Jack 12:10:31 01/30/06 (0)
- Re: Wire sleeving. - Dave Garretson 05:23:21 01/30/06 (0)
- Re: Wire sleeving. - Steve Eddy 22:02:21 01/29/06 (1)
  - Re: Wire sleeving. - PeterP 04:08:10 01/30/06 (0)
E-Z way to add 2nd harmonics in a PP amp??? - soldermizer 19:32:50 01/29/06 (15)
- If the phase inverter has an AC balance control - Russ57 04:54:12 01/31/06 (0)
- AudioXpress piece - rotcoddam 23:13:35 01/30/06 (0)
- Re: E-Z way to add 2nd harmonics in a PP amp!!! - Mahatma Kane Jeeves 18:47:33 01/30/06 (0)
- don't do it - richardl 17:49:18 01/30/06 (0)
- Why? - Allen Wright 14:38:41 01/30/06 (0)
- Don't think that's going to help. - BofService 11:29:57 01/30/06 (0)
- Re: E-Z way to add 2nd harmonics in a PP amp??? - Matts_ 09:23:45 01/30/06 (0)
- 2nd harmonic isn't always good - Joel Tunnah 07:20:01 01/30/06 (0)
- I agree with the below. - Saul P 22:01:15 01/29/06 (0)
- Discussion: 2nd harmonics in a PP amp??? - Jimmy 21:35:31 01/29/06 (1)
  - Re: Discussion: 2nd harmonics in a PP amp??? - Majestic 23:58:41 01/31/06 (0)
- Re: E-Z way to add 2nd harmonics in a PP amp??? - Tre' 21:23:08 01/29/06 (0)
- Don't go for it. - sser2 20:40:38 01/29/06 (2)
  - I'm another one who doesn't agree ... - Naz 22:17:19 02/02/06 (0)
  - Guess I'll leave things be ... - soldermizer 18:48:41 01/30/06 (0)
Interstage Trans Application - gilmorneau 18:09:46 01/29/06 (1)
- Should be no problem. - sser2 18:31:39 01/30/06 (0)
xray radiation - s.etal2@juno.com 12:02:57 01/29/06 (7)
- Re: xray radiation - jon_s 23:00:08 01/31/06 (0)
- Don't worry - Mike Burrows 16:09:44 01/29/06 (2)
  - Re: Don't worry - s.etal2@juno.com 19:20:04 01/29/06 (1)
    - Re: Don't worry - billwjr 17:45:51 02/01/06 (0)
- takes very high voltage to make X-rays... - mhardy6647 14:41:06 01/29/06 (0)
- Re: xray radiation - unclestu52 12:06:35 01/29/06 (1)
  - Re: xray radiation - s.etal2@juno.com 12:22:46 01/29/06 (0)
A tip for those who have had a strange noise they couldn't figure out - Russ57 08:13:00 01/29/06 (6)
- HAHA I do that all the time! - ottoamps 09:52:04 01/29/06 (5)
  - I should have said Seth2...different front end(nt) - Russ57 10:03:56 01/29/06 (4)
    - Hey, Never seen it! Schematic/Link?(nt) - ottoamps 11:22:31 01/29/06 (3)
      - Seth II schematic - mqracing 11:24:47 01/29/06 (2)
        
        Re: Gain - Jerik 20:46:00 01/29/06 (0)
        
        Thanks Mike! (nt) - ottoamps 20:45:40 01/29/06 (0)
Can I substitute a TL431 for a LM329? Nt - pufff 06:53:01 01/29/06 (5)
- In what application? - Allen Wright 07:40:56 01/29/06 (4)
  - Thanks Allen - Mark Kelly 17:18:57 01/29/06 (1)
    - Have you any experience with the LM723? - Allen Wright 14:43:57 01/30/06 (0)
  - Something called a RTP3C, or part of it - pufff 10:00:09 01/29/06 (1)
    - Re: Something called a RTP3C, or part of it - Allen Wright 15:14:09 01/30/06 (0)
Shielding and Ventilation - David Lawrence 15:45:20 01/28/06 (2)
- Re: Shielding and Ventilation - Vatron 06:21:55 01/29/06 (1)
  - Re: Shielding and Ventilation - David Lawrence 11:43:36 01/29/06 (0)
SET project for my Forte II's. - Jim in Blacksburg 14:56:50 01/28/06 (5)
- Sovtek/EH 2A3 with James 6123HS OPT - SomeJoe 21:29:40 01/30/06 (0)
- Re: SET project for my Forte II's. - Gaspode 01:39:46 01/29/06 (0)
- Re: SET project for my Forte II's. - Jim in Blacksburg 15:27:38 01/28/06 (2)
  - Re: SET project for my Forte II's. - SteveBrown 18:40:02 01/28/06 (0)
  - Why the reservations about SS rectification? (nt) - Jabberwock 17:22:59 01/28/06 (0)
Interstage 101 - Tom C. 13:27:51 01/28/06 (2)
- Re: Interstage 101 - tubes R cool 18:08:32 01/28/06 (0)
- Plate resistance. - sser2 14:07:51 01/28/06 (0)
How to measure plate voltage - Ciscokid 19:22:48 01/27/06 (2)
- Re: How to measure plate voltage - Tre' 20:02:01 01/27/06 (1)
  - Re: How to measure plate voltage - Ciscokid 21:25:33 01/27/06 (0)
Stereo to mono - BillyJack 18:44:40 01/27/06 (27)
- Re: Stereo to mono - nl 18:07:37 01/29/06 (4)
  - Re: Stereo to mono - dave slagle 08:42:41 01/30/06 (0)
  - How did Sakuma's amps sound to you? (nt) - cheap-Jack 07:40:13 01/30/06 (1)
    - Re: How did Sakuma's amps sound to you? (nt) - nl 16:24:16 02/04/06 (0)
  - ..and this is it - fgi 01:01:53 01/30/06 (0)
- mono is cool, esp. for vintage LPs - Dale D 13:42:41 01/28/06 (1)
  - Like it or not, ... - cheap-Jack 09:03:04 01/30/06 (0)
- Re: Stereo to mono - lostboy 12:45:47 01/28/06 (0)
- Would you close one eye to see something..?Would you.. - grhughes 09:56:56 01/28/06 (16)
  - No, I want to hear with both ears, ... - cheap-Jack 11:47:33 01/30/06 (0)
  - On the other hand there are great performances which were originally in mono.... - JimL 20:12:08 01/28/06 (0)
  - Re: Would you close one eye to see something..?Would you.. - Steve Eddy 11:39:51 01/28/06 (11)
    - What "obsessed" ? (long) - cheap-Jack 08:37:19 01/30/06 (1)
      - Re: What "obsessed" ? (long) - Steve Eddy 12:17:11 01/30/06 (0)
    - soundstage (as I define it) is not limited to stereo - Dave Cigna 11:20:42 01/29/06 (1)
      - Re: soundstage (as I define it) is not limited to stereo - Steve Eddy 22:23:11 01/29/06 (0)
    - Excellent comment! But what does "soundstage" mean? - Ray Moth 19:01:25 01/28/06 (6)
      - Re: Excellent comment! But what does "soundstage" mean? - FlaCharlie 08:28:54 01/29/06 (1)
        
        Thanks, your reply makes sense. - Ray Moth 16:34:53 02/05/06 (0)
      - But what does "soundstage" mean? - have you experienced it? - stellavox 05:29:29 01/29/06 (1)
        
        Maybe I haver heard "soundstage" but I wasn't particularly listening for it. [nt] - Ray Moth 16:28:42 02/05/06 (0)
      - Re: Excellent comment! But what does "soundstage" mean? - Steve Eddy 19:21:14 01/28/06 (1)
        
        That seems clear, thank you [nt] - Ray Moth 16:27:24 02/05/06 (0)
  - I look at mono photos all the time - Dave Cigna 10:14:15 01/28/06 (1)
    - With one eye closed....? - grhughes 10:53:49 01/28/06 (0)
- Re: Stereo to mono - FlaCharlie 06:35:33 01/28/06 (1)
  - You want a build a simple mixer - John Calhoun 13:27:19 01/28/06 (0)
Starting My Aikido Today. - Cougar 16:13:36 01/27/06 (12)
- Thank You to everyone for the help... - Cougar 22:08:15 01/30/06 (0)
- An Idea for Your Aikido - 01A 13:03:35 01/29/06 (0)
- One very good way to do it.... - drlowmu 08:56:21 01/28/06 (1)
  - Re: One very good way to do it.... - Cougar 13:36:15 01/28/06 (0)
- RE: Power supplies and delays..... - JimL 08:45:06 01/28/06 (4)
  - Re: RE: Power supplies and delays..... - Cougar 13:51:56 01/28/06 (1)
    - Adding caps will certainly help.... - JimL 20:14:29 01/28/06 (0)
  - Re: RE: Power supplies and delays..... - Cougar 13:33:05 01/28/06 (1)
    - Yes, the GTAs and GTBs have more controlled warmup time... - JimL 20:19:31 01/28/06 (0)
- Re: Starting My Aikido Today. - john8417 06:21:56 01/28/06 (2)
  - Re: Starting My Aikido Today. - Cougar 08:23:57 01/28/06 (1)
    - Re: Starting My Aikido Today. - john8417 05:14:21 01/30/06 (0)
Thank you, Pete Millet... - Kiel 16:11:38 01/27/06 (8)
- Schematic? - Salectric 14:06:42 01/30/06 (1)
  - Re: Schematic - Kiel 15:50:12 01/30/06 (0)
- AWESOME - ottoamps 16:47:17 01/28/06 (0)
- Re: Thank you, Pete Millet... - -e 10:46:37 01/28/06 (0)
- Re: Thank you, Pete Millet... - horny 02:24:25 01/28/06 (1)
  - Wow, what valuable insight! (NT) - Chris O 09:47:05 01/28/06 (0)
- Looks bitchin' ! - BofService 17:32:57 01/27/06 (1)
  - Re: Looks bitchin' ! - zacster 18:58:49 01/27/06 (0)
Stability issue? - Jimmy 13:01:26 01/27/06 (5)
- Re: Stability issue? - Dave Cigna 16:33:02 01/27/06 (3)
  - Re: Stability issue? - Jimmy 19:03:52 01/27/06 (2)
    - More info....... - Jimmy 19:39:33 01/27/06 (1)
      - warm up your scope - Dave Cigna 08:26:47 01/28/06 (0)
- too many stages, and not well enough decoupled. (nt) - Joel Tunnah 14:08:51 01/27/06 (0)
bias pots on output tubes problem? - 3dbBW 09:37:39 01/27/06 (9)
- Re: bias pots on output tubes problem? - fatbottle 14:19:40 01/27/06 (0)
- Re: bias pots on output tubes problem? - Jimmy 12:50:27 01/27/06 (0)
- Re: bias pots on output tubes problem? - Joel Tunnah 10:51:56 01/27/06 (6)
  - Re: bias pots on output tubes problem? - ncs 12:13:04 01/27/06 (5)
    - Re: DC on pots (small clarification) - Mahatma Kane Jeeves 14:18:12 01/27/06 (2)
      - DC on pots is OK with care - BBeck 06:54:00 01/28/06 (1)
        
        Re: DC on pots is OK with care - Tom Bavis 17:33:39 01/29/06 (0)
    - Re: bias pots on output tubes problem? - Joel Tunnah 14:06:46 01/27/06 (0)
    - failing wipers - ottoamps 13:23:05 01/27/06 (0)
CCS load vs choke/tranny - question - Meister 08:32:24 01/27/06 (3)
- Re: CCS load vs choke/tranny - question - Retsel 10:17:12 01/31/06 (0)
- I have both - richardl 11:47:57 01/27/06 (0)
- Re: CCS load vs choke/tranny - question - Nickel Core 08:55:48 01/27/06 (0)
help please - tube regulator website?? - stellavox 07:49:15 01/27/06 (1)
- steve bench - Joel Tunnah 08:13:19 01/27/06 (0)
improvement to DM's "generic" 12AU7 spice model - Joel Tunnah 07:40:42 01/27/06 (0)
Kudos to Ron for the PS8 Module - SteveBrown 07:26:55 01/27/06 (0)
Glass Sealed Caps - LarryI 06:33:45 01/27/06 (3)
- Re: Glass Sealed Caps - MIchael Samra 16:03:46 01/27/06 (2)
  - Hi Michael - lovetube 19:14:48 01/27/06 (1)
    - Re: Hi Michael - MIchael Samra 23:20:17 01/27/06 (0)
Any Recommendations for capacitance Meter ? - AdamC 06:18:52 01/27/06 (5)
- Re: Any Recommendations for capacitance Meter ? - Gary Kaufman 09:06:01 01/27/06 (1)
  - Re: Any Recommendations for capacitance Meter ? - TimFox 15:48:21 01/27/06 (0)
- Re: Any Recommendations for capacitance Meter ? - BBeck 07:55:27 01/27/06 (2)
  - Re: Any Recommendations for capacitance Meter ? - drlowmu 08:10:03 01/27/06 (1)
    - Re: Any Recommendations for capacitance Meter ? - BBeck 06:41:47 01/28/06 (0)
Help with E80F quiescent operating point - Nickel Core 03:57:03 01/27/06 (4)
- Re: Help with E80F quiescent operating point - Dave Cigna 16:50:24 01/27/06 (0)
- E80F not good for low level signal. - sser2 12:42:50 01/27/06 (0)
- EF86 = E80F quiescent operating point - Coresta 08:57:48 01/27/06 (1)
  - Err... same toobz same problem (nt) - Nickel Core 09:27:26 01/27/06 (0)
Stacking VR tubes? - SteveBrown 03:55:22 01/27/06 (2)
- Works very well - Mark Kelly 04:22:32 01/27/06 (0)
- Yes - David McGown 04:10:33 01/27/06 (0)
Old resistors: what are they? - marztv 01:32:46 01/27/06 (2)
- Re: Old resistors: what are they? - Hendrik 07:36:43 01/29/06 (0)
- Appear to be wirewound (nt) - Chris O 04:48:55 01/27/06 (0)
AES SE811 amps - MIchael Samra 00:29:23 01/27/06 (2)
- Re: AES SE811 amps - SteveBrown 06:34:44 01/27/06 (1)
  - Re: AES SE811 amps - MIchael Samra 15:58:27 01/27/06 (0)
Bangkok tube supplies etc etc - The Groom 00:26:58 01/27/06 (5)
- Re: Bangkok tube supplies etc etc - The groom 17:20:43 01/27/06 (0)
- As a married man for dacades, ... - cheap-Jack 09:01:01 01/27/06 (1)
  - What can happen - BofService 10:49:38 01/27/06 (0)
- Re: Bangkok tube supplies etc etc - PKL 02:02:25 01/27/06 (1)
  - Try this place - Datubie 16:59:28 01/27/06 (0)
New Iron Breakin Time - walf 16:06:04 01/26/06 (7)
- All good things come to he who waits.... - Steve King 10:20:22 01/27/06 (0)
- Long or short time all depends how you do it. - cheap-Jack 08:50:52 01/27/06 (0)
- Re: New Iron Breakin Time - Jimmy 06:30:23 01/27/06 (0)
- Exactly 100 hours. (nt) - Chris O 19:47:38 01/26/06 (3)
  - Re: Exactly 100 hours. (nt) - walf 04:30:30 01/27/06 (2)
    - Right. Why not 101 hours? (nt) - cheap-Jack 07:41:06 01/27/06 (0)
    - I find it's 79.8 hours. (nt) - Joel Tunnah 05:49:16 01/27/06 (0)
Stereo power amp hums when Both inputs inserted, not individual - John Calhoun 09:16:59 01/26/06 (9)
- A few general suggestions - Russ57 07:16:24 01/27/06 (0)
- Since you grounded one input - unclestu52 00:14:26 01/27/06 (0)
- Re: Stereo power amp hums when Both inputs inserted, not individual - MIchael Samra 20:53:23 01/26/06 (0)
- Re: Stereo power amp hums when Both inputs inserted, not individual - Steve King 10:39:07 01/26/06 (3)
  - Re: Stereo power amp hums when Both inputs inserted, not individual - Jimmy 17:29:59 01/26/06 (2)
    - Moved the center-tap of filament to chassis ground - John Calhoun 21:53:21 01/26/06 (1)
      - No- B+ CT to bus bar - Jimmy 11:39:03 01/27/06 (0)
- Re: Stereo power amp hums - I may be an idiot ;-) - John Calhoun 10:08:02 01/26/06 (1)
  - Re: Stereo power amp hums - I may be an idiot ;-) - beermanpete@socal.rr.com 23:04:26 01/26/06 (0)
replace "old" Wondercaps ... ARC gear - Thom 08:45:50 01/26/06 (11)
- Re: replace "old" Wondercaps ... ARC gear - MIchael Samra 23:41:31 01/26/06 (0)
- Re: replace "old" Wondercaps ... ARC gear - drlowmu 12:48:50 01/26/06 (1)
  - ah, now that I like, thanks ... - Thom 13:31:04 01/26/06 (0)
- 1. Replacing caps in equipment isn't 'butchering'. 2. I'm 'shocked' that you're shocked and horrified... - jeffreybehr 10:40:17 01/26/06 (5)
  - Re: 1. Replacing caps in equipment isn't 'butchering'. 2. I'm 'shocked' that you're shocked and horrified... - afilado 14:50:37 01/26/06 (1)
    - My sonic priorities go something like this, and my choice of music is large-orchestra classical and film - jeffreybehr 16:24:35 01/26/06 (0)
  - in general I would agree, however ... - Thom 11:59:49 01/26/06 (2)
    - TY. You're a lucky and wise man who can buy audio equipment that increases in value. - jeffreybehr 15:50:41 01/26/06 (1)
      - eh, just a few vintage pieces ... - Thom 17:33:36 01/26/06 (0)
- Re: replace "old" Wondercaps ... ARC gear - john8417 08:56:03 01/26/06 (1)
  - exactly my point, "dry out" ... i don't think so (nt) - Thom 12:35:54 01/26/06 (0)
Switched power supply for B+? - mbrennwa 23:48:10 01/24/06 (43)
- Here's a tip: Pseudo-random Spread-spectrum switching frequency - BBeck 17:54:00 01/26/06 (0)
- What about for heaters? - Gusser 08:15:38 01/26/06 (1)
  - Re: What about for heaters? - tubes R cool 11:19:12 01/26/06 (0)
- My MINI amp - Gordon Rankin 08:00:44 01/26/06 (2)
  - 6 section trannies - Jim Hagerman 22:15:43 01/27/06 (0)
  - awesome! - BlackPlasticSound 10:08:41 01/26/06 (0)
- Re: Switched power supply for B+ Some thoughts - stellavox 06:37:01 01/26/06 (7)
  - Simple method to measure output impedance. - Mark Kelly 14:19:04 01/26/06 (2)
    - Addendum re safety - Mark Kelly 16:12:57 01/26/06 (0)
    - Simple method to measure output impedance THANKS MARK - Stellavox 15:58:43 01/26/06 (0)
  - Re: Switched power supply for B+ Some thoughts - mbrennwa 08:14:05 01/26/06 (3)
    - Re: Switched power supply for B+ Some thoughts - stellavox 11:50:09 01/26/06 (1)
      - Re: Switched power supply for B+ Availability - marnold 19:59:58 01/26/06 (0)
    - Electrophoresis power supplies - sser2 11:05:56 01/26/06 (0)
- Re: You can over engineer anything all you want. - MIchael Samra 01:13:11 01/26/06 (6)
  - Sonics come first. - cheap-Jack 09:08:18 01/26/06 (5)
    - Re: Sonics come first. - MIchael Samra 15:04:31 01/26/06 (4)
      - I always maintain my impartiality ,, - cheap-Jack 16:41:16 01/26/06 (3)
        
        Re: I always maintain my impartiality ,, - MIchael Samra 23:53:18 01/26/06 (2)
        
        So which tubes sound do you like better - cheap-Jack 07:19:01 01/27/06 (1)
        
        Re: So which tubes sound do you like better - MIchael Samra 23:31:02 01/27/06 (0)
- I believe David Berning uses switching B+ supplies in his amps and preamps.... - JimL 15:58:19 01/25/06 (2)
  - Absolutely ! - cheap-Jack 08:14:32 01/26/06 (0)
  - Re: I believe David Berning uses switching B+ supplies in his amps and preamps.... - Mahatma Kane Jeeves 06:33:10 01/26/06 (0)
- Re: Switched power supply for B+? - Jimmy 15:05:37 01/25/06 (0)
- Switching power supplies - Pete Millett 13:47:42 01/25/06 (6)
  - Have you checked it with an AM radio - cheap-Jack 08:39:07 01/26/06 (0)
  - Re: Switching power supplies - mbrennwa 07:51:08 01/26/06 (0)
  - Thanks Pete. - Mark Kelly 18:33:52 01/25/06 (1)
    - I second that! (nt) - Allen Wright 04:26:09 01/26/06 (0)
  - Pete, Is this the phonostage you brought to ETF? - Allen Wright 16:00:19 01/25/06 (1)
    - Yup, that's the one (nt) - Pete Millett 17:34:23 01/25/06 (0)
- Not as simple as you think. - sser2 11:52:11 01/25/06 (1)
  - Oh, BTW... - sser2 16:17:06 01/25/06 (0)
- Bad idea! - grhughes 10:09:48 01/25/06 (2)
  - Not - Jim Hagerman 20:45:42 01/25/06 (1)
    - Thanks Jim. Sounds good! - grhughes 10:51:06 01/26/06 (0)
- Re: Switched power supply for B+? - MIchael Samra 01:41:06 01/25/06 (3)
  - Not necessarily true. - sser2 12:00:23 01/25/06 (2)
    - Re: Not necessarily true. - MIchael Samra 01:06:02 01/26/06 (0)
    - not to mention many Jeff Rowland products, - Ed Sawyer 12:42:04 01/25/06 (0)
- Re: Switched power supply for B+? - Tre' 00:33:53 01/25/06 (1)
  - Re: Switched power supply for B+? - mbrennwa 01:07:42 01/25/06 (0)
Bogen DB130 schematic: Have one to share? - robertpeterson56 17:37:23 01/24/06 (1)
- Re: Bogen DB130 schematic: Have one to share? - quayhog 16:21:42 01/27/06 (0)
Test percentage of 6CW5 tubes - pjd57 13:49:25 01/24/06 (2)
- Do you know if your tester is good? (nt) - Joel Tunnah 05:30:50 01/25/06 (1)
  - Re: Do you know if your tester is good? (nt) - pjd57 07:28:56 01/25/06 (0)
anyone familiar with the utc 25s12 line trans? - berlin 13:32:02 01/24/06 (0)
Amplifier response varying with driver impedance? - Steve King 11:55:05 01/24/06 (1)
- Think of it this way ... - Naz 13:37:54 01/25/06 (0)
amorphous or regular core? - Jenya 10:21:54 01/24/06 (27)
- Off topic on "amorphous" ?? - cheap-Jack 12:54:34 01/25/06 (5)
  - So what about prices? - gluca 04:30:00 01/26/06 (1)
    - Falling - Russ57 08:59:36 01/26/06 (0)
  - Interesting! nt. - Bas Horneman 04:06:21 01/26/06 (2)
    - In Europe,... - cheap-Jack 07:13:52 01/26/06 (0)
    - My pleasure. (nt) - cheap-Jack 07:00:58 01/26/06 (0)
- Break-in - Steve King 14:50:23 01/24/06 (0)
- Ag or Cu etc - elektron 13:37:12 01/24/06 (9)
  - Re: Ag or Cu etc - Tom Dawson 14:15:28 01/31/06 (0)
  - I prefer silver, period. - cheap-Jack 13:33:11 01/25/06 (0)
  - Re: Ag or Cu etc - dave slagle 17:12:49 01/24/06 (6)
    - Re: Ag or Cu etc - elektron 17:24:30 01/24/06 (5)
      - Re: Ag or Cu etc - dave slagle 18:59:55 01/24/06 (4)
        
        Re: Ag or Cu etc - Steve O 19:37:46 01/24/06 (3)
        
        Re: Ag or Cu etc - dave slagle 20:24:54 01/24/06 (2)
        
        Re: Ag or Cu etc - vry 08:48:51 01/25/06 (1)
        
        Re: Ag or Cu etc - drlowmu 21:20:08 01/25/06 (0)
- Re: amorphous or regular core? - Dave Cigna 13:14:14 01/24/06 (0)
- Re: amorphous or regular core? - mqracing 10:55:54 01/24/06 (8)
  - I meant - all thigs the same, but core. - Jenya 11:16:43 01/24/06 (7)
    - Re: I meant - all thigs the same, but core. - KevinC 14:07:26 01/24/06 (1)
      - That is an important point I missed...would/could you consider parafeed?(nt) - Russ57 18:36:34 01/24/06 (0)
    - Re: I meant - all thigs the same, but core. - mqracing 12:07:19 01/24/06 (2)
      - Geez Mike, I got my cheekbook ready....(and a quick question) - Russ57 12:37:30 01/24/06 (1)
        
        Re: Geez Mike, I got my cheekbook ready....(and a quick question) - mqracing 15:15:33 01/24/06 (0)
    - There is no common agreement - Russ57 11:54:14 01/24/06 (1)
      - and don't forget.... - mqracing 12:30:59 01/24/06 (0)
UTC Choke specs needed - ssbn642blue 10:07:43 01/24/06 (2)
- Re: UTC Choke specs needed - mwiebe 10:52:58 01/24/06 (1)
  - Re: UTC Choke specs needed - ssbn642blue 14:47:07 01/24/06 (0)
Motor Run mounting - BillyJack 10:03:49 01/24/06 (7)
- Blue Glow - zacster 16:45:31 01/25/06 (0)
- One important factor don't I don't know if you are aware of - Russ57 18:42:16 01/24/06 (0)
- If you are mounting beneath a chassis.... - Sugardawg34 12:33:39 01/24/06 (0)
- Yes, one could easily get an inferiority complex.... - Steve King 12:12:16 01/24/06 (2)
  - Now there's a thought!!! - Naz 22:21:02 01/24/06 (0)
  - I go up vertical, despite the vertigo - andy evans 14:34:59 01/24/06 (0)
- They don't care (nt) - Uncle Clyde 11:31:49 01/24/06 (0)
** Look for 12ax7 preamp projects ** - Mrpong 05:17:22 01/24/06 (21)
- Re: ** Look for 12ax7 preamp projects ** - JoeyKnuckles 12:49:25 01/31/06 (0)
- RCA tube manuals - grhughes 10:03:51 01/25/06 (0)
- Re: ** Look for 12ax7 preamp projects ** - drlowmu 20:38:23 01/24/06 (0)
- humbug! - Joel Tunnah 10:20:47 01/24/06 (8)
  - You got it. - cheap-Jack 13:35:26 01/24/06 (0)
  - The AN M7? - SteveBrown 13:01:28 01/24/06 (0)
  - Re: humbug! - Jimmy 12:31:32 01/24/06 (0)
  - of course your right here Joel.... - mqracing 11:06:18 01/24/06 (4)
    - I agree. - cheap-Jack 12:07:43 01/24/06 (3)
      - thanks jack.... now you killed it - mqracing 12:16:29 01/24/06 (2)
        
        I never know BigMc is not your favourite. - cheap-Jack 13:00:23 01/24/06 (1)
        
        This will be a challenge. - cheap-Jack 13:15:39 01/24/06 (0)
- I'd use another tube for preamp - SomeJoe 09:46:21 01/24/06 (0)
- need more info - Joel Tunnah 06:13:29 01/24/06 (4)
  - Re: need more info - Mrpong 06:15:32 01/24/06 (3)
    - Re: need more info - bamadawg_63 08:33:45 01/24/06 (1)
      - Re: need more info - Mrpong 06:06:02 01/25/06 (0)
    - ha! (nt) - Joel Tunnah 06:29:04 01/24/06 (0)
- Re: ** Look for 12ax7 preamp projects ** - Chris O 06:07:48 01/24/06 (2)
  - some URLs? - Mrpong 06:17:31 01/24/06 (1)
    - Re: some URLs? - smelly 09:07:29 01/24/06 (0)
SS versus tube shunt regulator - IRON-LEIF 01:38:16 01/24/06 (2)
- voltage reg. is more common on preamps... - JJ Triode 09:47:34 01/24/06 (1)
  - Or on poweramp drivers - JBasham 16:35:34 01/24/06 (0)
Pulsating Hum in Preamp - Pards 21:09:49 01/23/06 (5)
- Re: Pulsating Hum in Preamp - Mahatma Kane Jeeves 11:31:08 01/24/06 (0)
- Oscillation - Chris O 04:35:46 01/24/06 (3)
  - Re: Most likely - Pards 06:58:15 01/24/06 (0)
  - Really you should say "alleged oscillation", per Dave Slagle. - Joel Tunnah 06:30:22 01/24/06 (1)
    - Re: Really you should say "alleged oscillation", per Dave Slagle. - dave slagle 17:23:33 01/24/06 (0)
How differently do single-ended and push pull output transformers "see' the incoming signal? - Iczerman 19:06:17 01/23/06 (2)
- Re: How differently do single-ended and push pull output transformers "see' the incoming signal? - Steve King 04:29:35 01/24/06 (1)
  - Re: How differently do single-ended and push pull output transformers "see' the incoming signal? - Iczerman 19:17:11 01/25/06 (0)
Source for Eastern Audio SE transformers? - Rick R 16:53:49 01/23/06 (6)
- Thanks, I got my answer. - Rick R 20:00:53 01/23/06 (0)
- Re: Source for Eastern Audio SE transformers? - Jimmy 19:59:09 01/23/06 (0)
- I bought a pair of 10K EA transformers - sser2 19:20:14 01/23/06 (0)
- Re: Source for Eastern Audio SE transformers? - zobsky 17:34:37 01/23/06 (2)
  - Re: Source for Eastern Audio SE transformers? - Rick R 19:36:55 01/23/06 (1)
    - Re: Source for Eastern Audio SE transformers? - dave slagle 20:52:07 01/24/06 (0)
Ultrapath choke - how to determine - Raine 15:45:24 01/23/06 (9)
- Re: Thanks - how to determine OIL CAP - Pards 13:26:48 01/24/06 (0)
- There is a couple of xls files ... - gluca 03:38:22 01/24/06 (0)
- Re: Ultrapath choke - how to determine - Tre' 18:22:18 01/23/06 (6)
  - correction - Tre' 11:10:24 01/24/06 (3)
    - More is better? - Ivan303 06:50:55 01/25/06 (0)
    - Re: correction - mqracing 12:19:51 01/24/06 (1)
      - Yes....nt - Tre' 14:02:50 01/24/06 (0)
  - Re: Ultrapath choke - how to determine - mqracing 21:46:12 01/23/06 (0)
  - Re: Ultrapath choke - how to determine - dave slagle 20:24:42 01/23/06 (0)
DIY Audiophile Series on DVD - RC Daniel 14:51:59 01/23/06 (0)
Alan Wright's Super Regulator Opamp Subs. - Cougar 20:26:18 01/22/06 (16)
- Thank You to Alan Wright and everyone else for the help... - Cougar 22:15:44 01/30/06 (0)
- Re: Alan Wright's Super Regulator Opamp Subs. - avian 19:59:04 01/24/06 (0)
- Ehhhhm, what are the differences in sound in all this? NT - pufff 09:47:55 01/24/06 (0)
- Re: Alan Wright's Super Regulator Opamp Subs. - audio845 05:26:52 01/23/06 (1)
  - Re: Alan Wright's Super Regulator Opamp Subs. - Cougar 07:59:40 01/23/06 (0)
- The 797 certainly sounds much better than the 351. - Allen Wright 04:46:24 01/23/06 (10)
  - Re: The 797 certainly sounds much better than the 351. - kenev 10:33:59 01/23/06 (7)
    - I had tried the AD797, but it oscillated heavily... - Allen Wright 08:11:36 01/24/06 (2)
      - Re: I had tried the AD797, but it oscillated heavily... - kenev 09:43:44 01/24/06 (1)
        
        But, after I saw the result on the scope, I took it off. - Allen Wright 04:18:53 01/25/06 (0)
    - Do "SMD" and "easily soldered" ever go together? - BofService 11:57:39 01/23/06 (3)
      - There's a trick to it... - Cougar 12:19:24 01/23/06 (1)
        
        All good points, especially the Static warnings... - Allen Wright 07:52:22 01/24/06 (0)
      - LOL - Russ57 12:09:22 01/23/06 (0)
  - Re: The 797 certainly sounds much better than the 351. - Cougar 07:57:42 01/23/06 (1)
    - Re: The 797 certainly sounds much better than the 351. - raychow830@yahoo.com.hk 22:26:56 02/14/06 (0)
Heater to Cathode voltage on Mu follower question. - TomWh 19:22:45 01/22/06 (11)
- Battery heater power is the answer, not the problem. - Mark Kelly 19:32:40 01/22/06 (10)
  - Having a problem understanding the bias up on a Battery? - TomWh 18:35:55 01/23/06 (6)
    - It's a question of insulation - Mark Kelly 23:12:47 01/23/06 (5)
      - I am still confused on why the current does not increase with higher voltage? - TomWh 18:50:41 01/24/06 (4)
        
        Potential difference - Mark Kelly 21:53:31 01/24/06 (3)
        
        So you connect the 180v to both sides of the Battery? - TomWh 06:43:53 01/25/06 (2)
        
        No, only one side. - Mark Kelly 18:19:59 01/25/06 (1)
        
        Thanks Mark. - TomWh 18:32:03 01/25/06 (0)
  - Re: Battery heater power is the answer, not the problem. - fatbottle 09:39:10 01/23/06 (2)
    - Re: Battery heater power is the answer, not the problem. - TomWh 18:22:09 01/23/06 (1)
      - Re: Battery heater power is the answer, not the problem. - fatbottle 07:14:34 01/24/06 (0)
Calculating Plate Resistance... - Ivan303 19:06:56 01/22/06 (4)
- rp = mu / gm - Mark Kelly 19:38:27 01/22/06 (3)
  - Re: rp = mu / gm Kool! - Ivan303 20:13:38 01/22/06 (2)
    - Re: rp = mu / gm Kool! - Chris O 06:22:05 01/23/06 (1)
      - If not, they look pretty damn close. ;-) nt - Ivan303 06:32:56 01/23/06 (0)
Sonic Frontiers sfs-40 - GMB 17:35:22 01/22/06 (1)
- Re: Sonic Frontiers sfs-40 - Dman 06:12:40 01/23/06 (0)
problem with 2A3 amplifer - drdna 15:35:43 01/22/06 (7)
- Shorted Coupling Cap - Chris O 06:26:50 01/23/06 (0)
- Re: problem with 2A3 amplifer - lovetube 02:29:13 01/23/06 (0)
- Try checking operating points for all tubes. - sser2 19:11:24 01/22/06 (1)
  - Tube swap - drdna 20:50:32 01/22/06 (0)
- Re: problem with 2A3 amplifer - drdna 16:49:56 01/22/06 (2)
  - Swap tubes first - drlowmu 19:41:06 01/22/06 (1)
    - Good thought, done already. - drdna 20:47:47 01/22/06 (0)
Question - Joerg 09:20:59 01/22/06 (2)
- LL 1671 PP - Joerg 09:29:09 01/22/06 (1)
  - Generally I think it is around 5mA... nt - Bas Horneman 08:02:50 01/23/06 (0)
Anyone used the IRF744 mosfet as a power supply pass transistor..?.. - grhughes 08:59:03 01/22/06 (8)
- Re: Anyone used the IRF744 mosfet as a power supply pass transistor..?.. - Naz 17:05:07 01/22/06 (7)
  - If you could choose.... - grhughes 07:08:45 01/23/06 (6)
    - I'd choose the right Mosfet ... - Naz 18:45:04 01/23/06 (5)
      - Yes, it's a linear power supply. - grhughes 08:07:14 01/24/06 (4)
        
        Then, I say keep it simple ... - Naz 22:15:44 01/24/06 (3)
        
        The IRF450 in TO3 is almost 13 clamcakes!. - grhughes 14:01:11 01/25/06 (2)
        
        I found some useful info for you ... - Naz 00:53:42 01/28/06 (1)
        
        Thanks a lot! That's a big help. - grhughes 08:54:02 01/28/06 (0)
Intermitting noise - where to look - ad010685 07:30:42 01/22/06 (1)
- It may be your cell phone. - 2wo 17:58:17 01/22/06 (0)
DIY cathode follower/tube buffer ideas??? - bartc 07:27:09 01/22/06 (27)
- Re: DIY cathode follower/tube buffer ideas??? - rickl 10:32:28 01/23/06 (6)
  - Can you steer me a little closer? - bartc 12:24:25 01/23/06 (5)
    - Re: Can you steer me a little closer? - rickl 06:36:10 01/24/06 (0)
    - Re: Can you steer me a little closer? - danlaudionut 21:06:00 01/23/06 (3)
      - Danl, I"m in over my head! - bartc 22:30:37 01/23/06 (2)
        
        Re: Danl, I"m in over my head! - danlaudionut 04:32:32 01/24/06 (1)
        
        Thanks, Danl. nt - bartc 05:55:21 01/24/06 (0)
- Re: DIY cathode follower/tube buffer ideas??? - Joel Tunnah 09:28:12 01/22/06 (18)
  - Why 12AZ7? - sser2 19:36:02 01/22/06 (14)
    - 12AZ7 has double the gm of a 6SN7. - Joel Tunnah 06:33:36 01/23/06 (13)
      - But do you achieve your goal? - sser2 11:00:31 01/23/06 (12)
        
        several points - Joel Tunnah 13:05:40 01/23/06 (11)
        
        But, as you said yourself, - sser2 15:31:13 01/23/06 (10)
        
        I think you're confused. - Joel Tunnah 15:40:37 01/23/06 (9)
        
        Joel, I have a question for you - Russ57 08:12:27 01/24/06 (7)
        
        It depends on the previous stage. - Joel Tunnah 08:38:29 01/24/06 (2)
        
        Okay, thanks... - Russ57 10:46:08 01/24/06 (1)
        
        This is probably a widespread problem ... - Naz 23:03:56 01/24/06 (0)
        
        My suggestion for CF circuits is the big Russki 6H30 (6S30) - Allen Wright 08:19:50 01/24/06 (3)
        
        Second that ... - Naz 22:43:58 01/24/06 (0)
        
        sonic dislike of plain CF's - Russ57 10:33:24 01/24/06 (1)
        
        IMO... - Allen Wright 04:37:51 01/25/06 (0)
        
        Sorry, I misquoted your post - sser2 18:56:29 01/23/06 (0)
  - 470K Min Input Impedance... - Steve O 10:57:40 01/22/06 (2)
    - Re: 470K Min Input Impedance... - Joel Tunnah 18:29:57 01/22/06 (1)
      - Re: 470K Min Input Impedance... - Steve O 19:20:53 01/22/06 (0)
- Re: DIY cathode follower/tube buffer ideas??? - danlaudionut 08:44:28 01/22/06 (0)
Telefunken fillament question - horny 06:25:38 01/22/06 (3)
- Re: Telefunken fillament question - horny 03:37:39 01/23/06 (2)
  - Re: Telefunken fillament question - big horns & px's 07:10:37 01/23/06 (1)
    - Re: Telefunken fillament question - horny 13:52:01 01/23/06 (0)
12bh7 & 12at7 on arc sp-8 - de-tubo 05:03:55 01/22/06 (0)
filament low volts reduce hum? - BillyJack 21:59:36 01/21/06 (4)
- Re: filament low volts reduce hum? - BillyJack 20:06:25 01/22/06 (0)
- Re: filament low volts reduce hum? - Jimmy 07:56:05 01/22/06 (0)
- Re: filament low volts reduce hum? - Quest 00:26:08 01/22/06 (0)
- No. - sser2 00:24:32 01/22/06 (0)
KT88SC Update Penta labs shuguang - MIchael Samra 20:18:48 01/21/06 (0)
Is there a Schottky Diode out there.... - Ivan303 18:11:23 01/21/06 (4)
- 48CTQ060 - Mark Kelly 19:39:40 01/21/06 (3)
  - Re: 48CTQ060 Thanks. - Ivan303 20:00:27 01/21/06 (2)
    - Yes very much so - Mark Kelly 20:04:23 01/21/06 (1)
      - Re: Yes very much so - Ivan303 20:15:27 01/21/06 (0)
Does 10,000 mean 10,000? - BofService 17:50:36 01/21/06 (9)
- Re: Does 10,000 mean 10,000? - dave slagle 18:21:14 01/23/06 (0)
- Re: Does 10,000 mean 10,000? - Joel Tunnah 06:22:02 01/22/06 (5)
  - Exactly! - Allen Wright 04:51:44 01/23/06 (4)
    - For MC cartridges, for example. - cheap-Jack 13:40:52 01/23/06 (3)
      - Sorry CJ... - Allen Wright 08:31:07 01/24/06 (2)
        
        Mathematically, you're correct, but.. - cheap-Jack 09:21:40 01/24/06 (1)
        
        But a good one with 'class-A' rating was tagged for $3,500!!!USD3,500 a piece ! - Allen Wright 04:40:47 01/25/06 (0)
- Re: Does 10,000 mean 10,000? - MIchael Samra 18:59:19 01/21/06 (1)
  - Thanks! - BofService 09:34:28 01/22/06 (0)
World Audio Design series II pre any good? - 4season 16:20:32 01/21/06 (3)
- Re: World Audio Design series II pre any good? - Johno 22:59:55 01/21/06 (2)
  - Re: World Audio Design series II pre any good? - 4season 12:24:06 01/23/06 (0)
  - Re: World Audio Design series II pre any good? - Bizzie 03:56:02 01/22/06 (0)
Dynaco 6B4G conversion, round 100000000.... - zacster 16:17:33 01/21/06 (10)
- OK, now Lower those grid to grounds NEXT !! - drlowmu 23:32:23 01/22/06 (5)
  - A question for you - Russ57 14:49:13 01/23/06 (4)
    - Re: A question for you - drlowmu 19:59:00 01/23/06 (3)
      - Based of what you say about grid leak resistors - Russ57 04:54:07 01/24/06 (2)
        
        Which ones - drlowmu 07:34:13 01/24/06 (1)
        
        Just getting started - Russ57 12:01:25 01/24/06 (0)
- Re: Dynaco 6B4G conversion, round 100000000.... - MIchael Samra 20:04:01 01/21/06 (3)
  - Re: Dynaco 6B4G conversion, round 100000000.... - zacster 06:25:39 01/22/06 (2)
    - Re: Dynaco 6B4G conversion, round 100000000.... - MIchael Samra 20:54:32 01/22/06 (1)
      - Re: Dynaco 6B4G conversion, round 100000000.... - zacster 04:51:07 01/23/06 (0)
300B Blue glow... - Sugardawg34 15:35:27 01/21/06 (5)
- Re: 300B Blue glow... - zacster 16:18:56 01/21/06 (0)
- Re: 300B Blue glow... - 2wo 15:55:27 01/21/06 (0)
- One more thing... - Sugardawg34 15:37:14 01/21/06 (2)
  - Re: One more thing... - snert 15:48:20 01/21/06 (1)
    - Re: One more thing... - Sugardawg34 16:11:48 01/21/06 (0)
Power Tranny Recommendation Needed - motorbruce 12:23:07 01/21/06 (8)
- A few observations - Steve King 08:52:14 01/23/06 (0)
- Re: Power Tranny Recommendation Needed - zacster 16:37:23 01/21/06 (0)
- Re: Power Tranny Recommendation Needed - 2wo 15:51:26 01/21/06 (1)
  - Re: Power Tranny Recommendation Needed - shermanr@prw.net 10:00:28 01/26/06 (0)
- Re: Power Tranny Recommendation Needed - Jimmy 12:48:10 01/21/06 (3)
  - Re: Power Tranny Recommendation Needed - motorbruce 12:57:46 01/21/06 (2)
    - Re: Power Tranny Recommendation Needed - Jimmy 14:10:07 01/21/06 (1)
      - Agreement. - Poindexter 16:23:07 01/21/06 (0)
RCA MI-12182A..anyone have info? - whitese 09:10:18 01/21/06 (6)
- Re: RCA MI-12182A..anyone have info? - The Maestro 17:26:12 02/11/06 (0)
- Re: RCA MI-12182A..anyone have info? - corerosin 20:38:27 01/21/06 (2)
  - Re: RCA MI-12182A..anyone have info? - Steve O 12:25:49 01/22/06 (1)
    - Re: RCA MI-12182A..anyone have info? - corerosin 21:49:42 01/22/06 (0)
- Re: RCA MI-12182A..anyone have info? - MIchael Samra 19:05:24 01/21/06 (0)
- Re: RCA MI-12182A..anyone have info? - MIchael Samra 19:02:35 01/21/06 (0)
for 2 inputs only, rotary switch or toggle switch? - tweakydee 08:51:08 01/21/06 (8)
- where can I find an RCA toggle switch? - Perplexed in Portland 19:56:41 02/09/06 (0)
- Break before make / make before break - Mark Kelly 16:15:20 01/21/06 (3)
  - Interesting. - Poindexter 16:29:29 01/21/06 (2)
    - Re: Interesting. - Tom Bavis 08:28:28 01/22/06 (1)
      - Ah, so des. - Poindexter 08:36:07 01/22/06 (0)
- Try the Toccos from M Percy .... - KIS 15:05:06 01/21/06 (0)
- Toggles are cool - Chris O 11:28:25 01/21/06 (0)
- I prefer rotary...... - grhughes 09:27:24 01/21/06 (0)
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