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Free Classifieds TUBE AUDIO DESIGN TAD-60 EL-34 TUBE AMP ... - TubeAudioDesign.com

• 90% of hum gone but why??? - breadhead 15:32:43 04/15/07 (4)
  • Was there any ground connection on the filaments ... - Triode_Kingdom 08:07:58 04/16/07 (2)
    • Re: Was there any ground connection on the filaments ... - breadhead 11:46:58 04/16/07 (0)
    • And didn't you say it hummed even without the output tubes? - Triode_Kingdom 08:15:00 04/16/07 (0)
  • Re: 90% of hum gone but why??? - Michael Samra 23:38:40 04/15/07 (0)
• When was the last time you cycled 300-450 Volts through your body? - Frihed89 14:19:16 04/15/07 (19)
  • Re: Only those who survived are able to tell!!! The others are DEAD. - Balle Clorin 09:13:46 04/19/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - Michael Samra 05:22:41 04/17/07 (0)
  • How about 4Kv @30Ma? - mrfixit 04:49:59 04/17/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - floydandrews 15:10:57 04/16/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - maxhifi 09:50:39 04/16/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - danlaudionut 08:36:41 04/16/07 (5)
    • that old storage 'frig down cellar was a great arm masseuse though _ (nt) - Mart 12:34:02 04/16/07 (1)
      • vasty superior to that old 3-way floorstanding lamp _ (nt) - Mart 12:56:16 04/16/07 (0)
    • Dan, you are really a very strange person, you know that? - Poindexter 09:48:53 04/16/07 (2)
      • IN OHH ... SO MANY WAYS !!! 8^D (nt) - danlaudionut 12:20:05 04/16/07 (1)
        • Can yer pick up radio stations on yer teeth? (nt) - Thergit 01:45:56 04/17/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - ojd 06:19:43 04/16/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - kstagger 05:58:57 04/16/07 (0)
  • Whenever I shuffle across a carpet and touch a doorknob.... - JimL 19:22:12 04/15/07 (0)
  • about a year ago... - caffeinator 17:55:20 04/15/07 (1)
    • Re: 'wonder if that thing is running hot?' - danlaudionut 08:17:08 04/16/07 (0)
  • Once every 5 years or so. Last time it hurt! Still here to tell the story. (nt) - korneluk 14:59:19 04/15/07 (0)
  • Re: When was the last time you cycled 300-450 Volts through your body? - Door Nail 14:51:30 04/15/07 (1)
    • Your First HV shock could kill ! Be CAREFUL!!!!!!!! - Interstage Tranny 17:54:53 04/15/07 (0)
• my new amp - horny 11:30:48 04/15/07 (20)
  • Re: my new amp - arend-jan 04:41:02 04/16/07 (1)
    • Re: my new amp - horny 13:25:18 04/16/07 (0)
  • I'll be in Utrecht, NL next week - where are you? - korneluk 15:03:12 04/15/07 (1)
    • Re: I'll be in Utrecht, NL next week - where are you? - horny 13:27:51 04/16/07 (0)
  • Never heard that combination before... - korneluk 15:01:17 04/15/07 (0)
  • Re: my new amp - horny 11:34:18 04/15/07 (14)
    • Re: my new amp - horny 11:40:05 04/15/07 (13)
      • Re: my new amp - danlaudionut 11:51:50 04/15/07 (12)
        • Re: my new amp - horny 12:04:56 04/15/07 (11)
          • Re: my new amp - sorenj07 13:00:06 04/15/07 (10)
            • Re: my new amp - horny 13:15:08 04/15/07 (9)
              • Re: my new amp - dave slagle 17:22:34 04/15/07 (8)
                • Re: my new amp - horny 13:23:15 04/16/07 (7)
                  • Re: my new amp - dave slagle 16:59:05 04/16/07 (6)
                    • Re: my new amp - horny 22:51:23 04/16/07 (5)
                      • Re: my new amp - arend-jan 06:55:13 04/17/07 (0)
                      • Re: my new amp - dave slagle 05:25:39 04/17/07 (3)
                        • Re: my new amp - horny 08:12:11 04/17/07 (2)
                          • Re: my new amp - dave slagle 06:10:52 04/18/07 (1)
                            • Re: my new amp - horny 13:22:44 04/18/07 (0)
• Power Supply Question - Vinnie 08:37:20 04/15/07 (11)
  • You will have about 1450vdc on the 330 mfd cap string. - eds65gto 14:51:47 04/15/07 (1)
    • Re: You will have about 1450vdc on the 330 mfd cap string. - Vinnie 15:09:19 04/16/07 (0)
  • CAUTION - Ron Oehlert 09:48:08 04/15/07 (1)
    • Re: CAUTION - Vinnie 10:01:53 04/15/07 (0)
  • Re: Power Supply Question - Tre' 09:35:05 04/15/07 (1)
    • Re: Power Supply Question - Ron Oehlert 09:53:55 04/15/07 (0)
  • Re: Power Supply Question - Eli Duttman 09:05:22 04/15/07 (4)
    • Re: Power Supply Question - Vinnie 09:57:50 04/15/07 (2)
      • Re: Power Supply Question - Eli Duttman 13:20:31 04/15/07 (1)
        • Re: Power Supply Question - Vinnie 17:15:11 04/15/07 (0)
    • Re: Power Supply Question - Todduk 09:31:07 04/15/07 (0)
• silicon rectifiers - Todduk 08:05:42 04/15/07 (9)
  • Re: silicon rectifiers - Ray Moth 02:03:55 04/16/07 (0)
  • Re: silicon rectifiers - elektron 11:08:52 04/15/07 (1)
    • Re: silicon rectifiers - Todduk 12:30:18 04/15/07 (0)
  • Re: silicon rectifiers - Eli Duttman 08:50:52 04/15/07 (5)
    • Re: silicon rectifiers - Todduk 09:25:45 04/15/07 (4)
      • Re: silicon rectifiers - zobsky 17:50:01 04/15/07 (2)
        • Re: silicon rectifiers - Todduk 11:55:55 04/16/07 (1)
          • Re: silicon rectifiers - Eli Duttman 18:02:29 04/16/07 (0)
      • Re: silicon rectifiers - Eli Duttman 12:44:58 04/15/07 (0)
• Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 06:39:37 04/15/07 (22)
  • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 02:40:35 04/17/07 (0)
  • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 05:07:10 04/16/07 (0)
  • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Gingertube 16:54:32 04/15/07 (3)
    • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 23:51:18 04/15/07 (2)
      • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 02:44:42 04/17/07 (0)
      • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Gingertube 00:38:32 04/17/07 (0)
  • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Russ57 07:18:15 04/15/07 (15)
    • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 23:56:12 04/15/07 (14)
      • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Ray Moth 02:38:16 04/16/07 (13)
        • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Stephen R 02:56:18 04/16/07 (12)
          • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - SteveBrown 08:13:17 04/16/07 (0)
          • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Ray Moth 07:56:23 04/16/07 (10)
            • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Stephen R 08:31:01 04/16/07 (9)
              • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Ray Moth 15:45:07 04/16/07 (8)
                • Answering one's own post may be a sign of madness, but here goes . . . - Ray Moth 00:38:04 04/22/07 (0)
                • Cascode v's pentodes - Allen Wright 10:00:21 04/18/07 (0)
                • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Stephen R 11:13:43 04/17/07 (0)
                • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 22:27:14 04/16/07 (4)
                  • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Ray Moth 01:58:59 04/17/07 (3)
                    • Re: Build ideas for Allen Wright PP-1C Push Pull Power Amp - Burney 06:49:22 04/18/07 (2)
                      • Yes, but make the pot as small as possible - 100k is too big IMO. (nt) - Allen Wright 10:03:37 04/18/07 (1)
                        • Thanks! The guru has finally blessed this thread... - Burney 13:48:18 04/18/07 (0)
• Bypass cap question - sherod 20:58:49 04/14/07 (12)
  • Re: Bypass cap question - elektron 10:55:23 04/15/07 (3)
    • Re: Bypass cap question - sherod 11:03:18 04/15/07 (2)
      • Re: Bypass cap question - elektron 16:14:40 04/16/07 (1)
        • Re: Bypass cap question - sherod 18:20:13 04/17/07 (0)
  • Re: Bypass cap question - reb 09:19:13 04/15/07 (2)
    • Reb, have you tried cascading... - sherod 09:31:30 04/15/07 (1)
      • Re: Reb, have you tried cascading... - reb 11:47:02 04/15/07 (0)
  • The added brightness always occurs with a... - Salectric 06:36:37 04/15/07 (0)
  • Re: Bypass cap question - Michael Samra 00:42:26 04/15/07 (0)
  • Re: Bypass cap question - sorenj07 21:25:14 04/14/07 (2)
    • I have read of the 10 rule... - sherod 21:44:22 04/14/07 (1)
      • Re: I have read of the 10 rule... - sorenj07 23:22:34 04/14/07 (0)
• input/output transformer experiment - nerdorama 18:06:36 04/14/07 (2)
  • Re: input/output transformer experiment - Alpha Al 20:42:52 04/14/07 (0)
  • Cool.... - thermionic addictions 20:00:38 04/14/07 (0)
• Could my SED 6550s really be KT88s ? - danlaudionut 14:20:29 04/14/07 (1)
  • Follow-Up - danlaudionut 08:42:42 04/16/07 (0)
• Non-inductive wirewounds - $0.88 apiece - Perseo 10:56:28 04/14/07 (6)
  • Re: Non-inductive wirewounds - $0.88 apiece - Carlos 22:02:23 04/19/07 (0)
  • Re: Non-inductive wirewounds - $0.88 apiece - Michael Samra 00:28:47 04/15/07 (2)
    • But what would you do with them? Dummy loads? Power supply drops? (nt) - Triode_Kingdom 08:11:05 04/16/07 (1)
      • Re: But what would you do with them? Dummy loads? Power supply drops? (nt) - Perseo 12:52:56 04/16/07 (0)
  • Another tip - Russ57 11:23:38 04/14/07 (1)
    • I've wondered about those before - BlackPlasticSound 11:54:57 04/14/07 (0)
• Velleman kit amps - Frihed89 09:18:50 04/14/07 (3)
  • you can buy a brand-new ST-70 replica kit, y'know? - mhardy6647 08:06:58 04/15/07 (0)
  • Re: Velleman kit amps - Michael Samra 15:45:28 04/14/07 (1)
    • Thank you - Frihed89 23:35:17 04/14/07 (0)
• hello danL. re about your KT66 se - lovetube 05:44:17 04/14/07 (3)
  • Re: hello danL. re about your KT66 se - danlaudionut 05:57:22 04/14/07 (2)
    • Re: hello danL. re about your KT66 se - lovetube 06:11:30 04/14/07 (1)
      • Re: hello danL. re about your KT66 se - danlaudionut 06:31:21 04/14/07 (0)
• Paging Wheezer..... - rich121 22:54:31 04/13/07 (3)
  • Did you get in touch yet? - Russ57 05:01:09 04/17/07 (2)
    • Re: Did you get in touch yet? - rich121 09:17:02 04/17/07 (1)
      • Re: Did you get in touch yet? - wheezer 14:23:54 04/17/07 (0)
• Very Basic EL84 or EL34 DIY amp. - haziz 22:43:16 04/13/07 (2)
  • Finish the Bottlehead kit first - richardl 10:40:43 04/16/07 (0)
  • Try the ST-35 or ST-70 kits from Dynakitparts - Bob Latino 14:34:32 04/14/07 (0)
• Lost bias in my SE output stage. But no apparent damage. - A.A. 21:32:43 04/13/07 (1)
  • Re: Lost bias in my SE output stage. But no apparent damage. - Michael Samra 00:56:37 04/14/07 (0)
• BJTs as CFs - SomeJoe 20:51:58 04/13/07 (7)
  • Re: BJTs as CFs - Eli Duttman 10:25:34 04/14/07 (3)
    • Re: BJTs as CFs - SomeJoe 14:44:08 04/14/07 (2)
      • Re: BJTs as CFs - Eli Duttman 18:22:24 04/14/07 (1)
        • Re: BJTs as CFs - SomeJoe 20:40:14 04/14/07 (0)
  • My experience is tubes RULE as CF's - but best by far is the SLCF!!! - Allen Wright 04:10:57 04/14/07 (2)
    • Hllo Allen, do you describe the SLCF in your preamp cookbook? - SomeJoe 11:47:05 04/14/07 (1)
      • "a 6H30 constant current loaded with a bootsrapped cathode resistor" - Allen Wright 10:06:51 04/18/07 (0)
• I need help with my latest project - djn 17:08:46 04/13/07 (5)
  • What power amp are you using? - Scholl 09:05:13 04/15/07 (0)
  • Stop right there!!! - Scholl 08:54:48 04/15/07 (0)
  • Re: I need help with my latest project - Ron Oehlert 21:51:14 04/13/07 (2)
    • Re: I need help with my latest project - djn 22:11:54 04/13/07 (1)
      • Re: I need help with my latest project - Ron Oehlert 18:01:36 04/14/07 (0)
• Looking for all-DHT parafeed 2A3 amp ideas - LowRedMoon 13:03:16 04/13/07 (8)
  • Re: Looking for all-DHT parafeed 2A3 amp ideas - bobbyj 10:33:03 04/14/07 (2)
    • PP 45's? - LowRedMoon 06:48:02 04/17/07 (0)
    • Re: Looking for all-DHT parafeed 2A3 amp ideas - andy evans 10:45:13 04/14/07 (0)
  • Here are some combinations (long!). - andy evans 02:06:14 04/14/07 (1)
    • Re: Here are some combinations (long!). - LowRedMoon 06:38:45 04/17/07 (0)
  • Re: Looking for all-DHT parafeed 2A3 amp ideas - gluca 16:43:39 04/13/07 (2)
    • Pshaw! Preamp schmeamp. - LowRedMoon 06:55:49 04/17/07 (0)
    • 3 stage DHT update - andy evans 05:33:30 04/16/07 (0)
• My SE Amp Update - Tube Swapping - danlaudionut 11:24:57 04/13/07 (3)
  • Re: My SE Amp Update - Tube Swapping - Michael Samra 02:30:04 04/14/07 (1)
    • Re: My SE Amp Update - Tube Swapping - danlaudionut 05:18:51 04/14/07 (0)
  • Re: My SE Amp Update - Tube Swapping - PeterP 12:14:54 04/13/07 (0)
• tube instantaneous power v. solid state - LousyTourist 09:36:31 04/13/07 (3)
  • Re: tube instantaneous power v. solid state - Michael Samra 01:45:47 04/14/07 (0)
  • Re: tube instantaneous power v. solid state - Lee Lipman 09:48:39 04/13/07 (1)
    • Another possibility... - Triode_Kingdom 13:21:53 04/13/07 (0)
• Restoring a Traynor YBA-1A: EL34's @ 560Va 535Vg2 ?!?!?! - Jim Doyle 09:21:07 04/13/07 (6)
  • Re: Restoring a Traynor YBA-1A: EL34's @ 560Va 535Vg2 ?!?!?! - Rob Mercure 15:01:57 04/13/07 (0)
  • Re: Restoring a Traynor YBA-1A: EL34's @ 560Va 535Vg2 ?!?!?! - Dave Cigna 14:38:10 04/13/07 (2)
    • Re: Restoring a Traynor YBA-1A: EL34's @ 560Va 535Vg2 ?!?!?! - Alpha Al 20:52:51 04/14/07 (1)
      • Re: Restoring a Traynor YBA-1A: EL34's @ 560Va 535Vg2 ?!?!?! - Dave Cigna 04:42:41 04/15/07 (0)
  • It is only the G2 voltage - Russ57 09:33:28 04/13/07 (1)
    • Re: It is only the G2 voltage - J Martin 20:20:32 04/13/07 (0)
• Cap 120 uF, 0-120 VDC 105 Celsius 8610 H3 Where to buy? - Jon L 20:44:02 04/12/07 (2)
  • Type 100uF 160V on Ebay - Carlos 22:12:12 04/19/07 (0)
  • Re: Cap 120 uF, 0-120 VDC 105 Celsius 8610 H3 Where to buy? - Michael Samra 16:27:35 04/13/07 (0)
• pentode in triode mode SE vs a DHT SE like 2a3/300b - jarthel 18:40:50 04/12/07 (6)
  • Re: pentode in triode mode SE vs a DHT SE like 2a3/300b - Doug Flynn 01:25:35 04/14/07 (0)
  • Re: pentode in triode mode SE vs a DHT SE like 2a3/300b - danlaudionut 15:21:31 04/13/07 (0)
  • Re: pentode in triode mode SE vs a DHT SE like 2a3/300b - Tre' 09:26:01 04/13/07 (0)
  • Re: pentode in triode mode SE vs a DHT SE like 2a3/300b - Ray Moth 06:36:40 04/13/07 (1)
    • Re: pentode in triode mode SE vs a DHT SE like 2a3/300b - Pär 01:04:11 04/14/07 (0)
  • Re: pentode in triode mode SE vs a DHT SE like 2a3/300b - Janos 19:22:33 04/12/07 (0)
• using unmatched tubes - jarthel 17:27:58 04/12/07 (1)
  • Re: using unmatched tubes - Chris O 18:29:35 04/12/07 (0)
• silk transformers: feedback? - jarthel 17:11:59 04/12/07 (2)
  • Re: silk transformers: feedback? - David McGown 18:05:04 04/12/07 (0)
  • Re: silk transformers: feedback? - danlaudionut 17:51:15 04/12/07 (0)
• Anyone tried "high ripple" caps - Vinnie 15:17:23 04/12/07 (2)
  • Re: Anyone tried "high ripple" caps - Gingertube 17:22:55 04/15/07 (0)
  • I always use them - Mike Burrows 18:16:53 04/12/07 (0)
• Testing Services - Shocka Zulu 14:55:37 04/12/07 (0)
• PCF82 VS ECF82 - Roy 03:09:42 04/12/07 (2)
  • Re: PCF82 VS ECF82 - . 08:44:55 04/12/07 (0)
  • Re: PCF82 VS ECF82 - Ron Oehlert 08:35:32 04/12/07 (0)
• EDCOR EX-103 Review / Verdict - danlaudionut 18:03:50 04/11/07 (2)
  • Re: EDCOR EX-103 Review / Verdict - zobsky 07:05:23 04/12/07 (0)
  • Thanks a lot Dan for the useful info! (nt) - SomeJoe 20:50:56 04/11/07 (0)
• more psud2 questions - Vinnie 15:18:47 04/11/07 (2)
  • Re: more psud2 questions - BofService 12:11:02 04/13/07 (0)
  • Re: more psud2 questions - Tom Bavis 18:13:19 04/11/07 (0)
• Now I am really puzzled...... - Vinnie 14:52:10 04/11/07 (11)
  • Thanks guys! - Vinnie 17:59:50 04/11/07 (0)
  • Re: Now I am really puzzled...... - danlaudionut 16:25:45 04/11/07 (0)
  • Re: Now I am really puzzled...... - Larry D. Moore 15:44:37 04/11/07 (8)
    • beg pardon... - Vinnie 15:53:46 04/11/07 (7)
      • Re: beg pardon... - Tom Bavis 18:08:34 04/11/07 (5)
        • Thanks for the 'why'. - Poindexter 20:45:31 04/11/07 (4)
          • why not the 27 for road work? - Russ57 06:03:44 04/12/07 (3)
            • The 73 is a lot smaller, - Poindexter 08:54:52 04/12/07 (2)
              • The newer ones...like 87-III are Much brighter(nt) - Russ57 09:37:46 04/12/07 (1)
                • Re: The newer ones...like 87-III are Much brighter(nt) - bluelobster 17:30:41 04/12/07 (0)
      • Re: beg pardon... - Mahatma Kane Jeeves 16:01:51 04/11/07 (0)
• 6BM8 SE amp from r2r - dave j 12:06:49 04/11/07 (10)
  • Re: 6BM8 SE amp from r2r, and other R2R comments - BofService 10:33:04 04/13/07 (0)
  • Re: 6BM8 SE amp from r2r - Ron Oehlert 08:48:01 04/12/07 (2)
    • Thanks - dave j 10:18:33 04/12/07 (0)
    • Re: 6BM8 SE amp from r2r - Ron Oehlert 08:57:47 04/12/07 (0)
  • Re: 6BM8 SE amp from r2r - akanalog@yahoo.com 14:32:54 04/11/07 (2)
    • back issue - dave j 10:26:12 04/12/07 (1)
      • Re: back issue - akanalog@yahoo.com 14:17:11 04/12/07 (0)
  • Re: 6BM8 SE amp from r2r - Tom Bavis 12:51:53 04/11/07 (1)
    • Re: 6BM8 SE amp from r2r - dave j 13:31:00 04/11/07 (0)
  • Re: 6BM8 SE amp from r2r - grhughes 12:29:49 04/11/07 (0)
• mounting of input selector - john8417 06:48:43 04/11/07 (4)
  • Re: mounting of input selector - beermanpete@socal.rr.com 22:32:29 04/12/07 (0)
  • Depends on how much torque you apply to the shaft.... - grhughes 12:21:49 04/11/07 (1)
    • Huh, huh, Hey Bevis, he said: "Depends on how much torque you apply to the shaft...." (nt) - Chris O 18:19:02 04/11/07 (0)
  • Re: mounting of input selector - Ron Oehlert 09:18:00 04/11/07 (0)
• Any problem when much higher load for input tube ? - ychungmd 02:51:07 04/11/07 (20)
  • What are you doing with the other 1/2 of the triode? - richardl 10:57:26 04/12/07 (0)
  • Re: Any problem when much higher load for input tube ? - drlowmu 06:59:47 04/11/07 (18)
    • my reason for no decoupling - ychungmd 03:52:11 04/12/07 (3)
      • Re: my reason for no decoupling - drlowmu 06:50:56 04/12/07 (2)
        • Re: my reason for no decoupling - Dave Cigna 16:00:59 04/13/07 (0)
        • Appreciate greatly (nt) - ychungmd 15:10:40 04/12/07 (0)
    • Your bypass C's - drlowmu 07:33:24 04/11/07 (13)
      • Re: Your bypass C's - ychungmd 03:54:19 04/12/07 (0)
      • Re: Your bypass C's - Tre' 14:25:06 04/11/07 (11)
        • Re: Your bypass C's - dave slagle 06:29:43 04/12/07 (9)
          • Re: Your bypass C's - Tre' 09:51:58 04/12/07 (8)
            • Re: Your bypass C's - dave slagle 10:29:50 04/12/07 (3)
              • Re: Your bypass C's - mqracing 10:45:47 04/12/07 (2)
                • also consider.... - mqracing 10:51:25 04/12/07 (1)
                  • Re: also consider.... - drlowmu 13:48:58 04/12/07 (0)
            • Re: Your bypass C's - mqracing 10:28:34 04/12/07 (3)
              • Re: Your bypass C's - Tre' 18:01:48 04/12/07 (2)
                • Re: Your bypass C's - mqracing 18:37:42 04/12/07 (1)
                  • My bad - Tre' 19:11:32 04/12/07 (0)
        • Re: Your bypass C's - drlowmu 16:02:33 04/11/07 (0)
• in some amps using pentodes, it seems it is possible to use tubes are not direct equivalent. - jarthel 23:34:14 04/10/07 (2)
  • Re: in some amps using pentodes, it seems it is possible to use tubes are not direct equivalent. - Michael Samra 00:19:06 04/11/07 (1)
    • Re: in some amps using pentodes, it seems it is possible to use tubes are not direct equivalent. - Ray Moth 06:43:57 04/13/07 (0)
• Problem when large volume - waterman 23:15:33 04/10/07 (7)
  • Re: Problem when large volume - BofService 06:37:42 04/11/07 (6)
    • Re: Problem when large volume - waterman 19:03:11 04/11/07 (5)
      • Re: Problem when large volume - sorenj07 19:38:13 04/11/07 (4)
        • Re: Problem when large volume - Ray Moth 06:54:47 04/13/07 (0)
        • Re: Problem when large volume - waterman 09:52:31 04/12/07 (0)
        • Re: Problem when large volume - sorenj07 19:44:19 04/11/07 (0)
        • Re: Problem when large volume - sorenj07 19:42:20 04/11/07 (0)
• My SE KT66 is making music !!! - danlaudionut 08:03:19 04/10/07 (43)
  • Re: My SE KT66 is making music !!! - Todduk 13:00:00 04/11/07 (0)
  • Your amp won't ever boogie till.... - drlowmu 11:32:27 04/11/07 (4)
    • Re:...at 65 ohms DCR....six or seven orders of magnitude too high!!!!! - Steve O 12:25:36 04/11/07 (1)
      • Re:...at 65 ohms DCR....six or seven orders of magnitude too high!!!!! - drlowmu 16:04:23 04/11/07 (0)
    • The Doctor is in ... - danlaudionut 12:20:43 04/11/07 (1)
      • Re: The Doctor is in ... - drlowmu 16:07:20 04/11/07 (0)
  • I'd increase the 2uf Cathode bypass on the KT66 to... - Thomas Martens 08:48:36 04/11/07 (1)
    • Re: I'd increase the 2uf Cathode bypass on the KT66 to... - danlaudionut 09:06:05 04/11/07 (0)
  • schematic? thanks (nt) - jarthel 19:00:54 04/10/07 (12)
    • Here you go ... Enjoy - danlaudionut 19:17:39 04/10/07 (11)
      • Re: Here you go ... Enjoy - dave slagle 07:24:27 04/11/07 (6)
        • Re: Here you go ... Enjoy - danlaudionut 08:04:58 04/11/07 (5)
          • Re: Here you go ... Enjoy - Stephen R 13:39:47 04/11/07 (0)
          • Re: Here you go ... Enjoy - dave slagle 08:13:23 04/11/07 (3)
            • Re: Here you go ... Enjoy - danlaudionut 08:53:00 04/11/07 (2)
              • Re: Here you go ... Enjoy - dave slagle 12:05:01 04/11/07 (1)
                • Re: Here you go ... Enjoy - danlaudionut 15:41:41 04/11/07 (0)
      • specs of the electra-print choke? (nt) - jarthel 20:30:32 04/10/07 (1)
        • Re: specs of the electra-print choke? (nt) - danlaudionut 21:02:30 04/10/07 (0)
      • Re: Here you go ... Enjoy - Tre' 19:43:19 04/10/07 (1)
        • Re: Here you go ... Enjoy - danlaudionut 20:02:30 04/10/07 (0)
  • Limiting the bass - Chris O 11:09:34 04/10/07 (7)
    • Re: Limiting the bass - danlaudionut 13:30:19 04/10/07 (6)
      • Re: Limiting the bass - RC Daniel 03:41:31 04/11/07 (0)
      • "I have yet to hear a 200uFd cap sound better than totally horrendous." - Chris O 19:03:54 04/10/07 (2)
        • Re: "I have yet to hear a 200uFd cap sound better than totally horrendous." - Todduk 15:14:26 04/11/07 (1)
          • Re: "I have yet to hear a 200uFd cap sound better than totally horrendous." - danlaudionut 18:59:22 04/11/07 (0)
      • Re: Limiting the bass - mikeyb 14:31:19 04/10/07 (1)
        • Re: Limiting the bass - danlaudionut 15:04:16 04/10/07 (0)
  • Fantastic! - mrclassicman 08:35:05 04/10/07 (10)
    • Re: Fantastic! - danlaudionut 09:02:47 04/10/07 (9)
      • Re: Fantastic! - rdf 09:47:44 04/10/07 (8)
        • Re: Fantastic! - danlaudionut 10:09:27 04/10/07 (7)
          • Re: Fantastic! - rdf 13:01:28 04/10/07 (6)
            • Re: Fantastic! - danlaudionut 13:22:14 04/10/07 (5)
              • Re: Fantastic! - rdf 13:35:57 04/10/07 (4)
                • Re: Fantastic! - danlaudionut 14:26:03 04/10/07 (3)
                  • Re: Fantastic! - rdf 10:32:05 04/11/07 (2)
                    • Re: Fantastic! - danlaudionut 10:54:23 04/11/07 (1)
                      • Re: Fantastic! - rdf 16:48:15 04/11/07 (0)
  • Operating Points - danlaudionut 08:32:51 04/10/07 (2)
    • Maybe I missed it - - kstagger 11:58:31 04/10/07 (1)
      • Triode Mode (nt) - danlaudionut 13:18:27 04/10/07 (0)
• Can you DC couple two DHT stages? - andy evans 03:54:43 04/10/07 (7)
  • The Lofton-White amp is two DHT direct coupled. - richardl 10:18:10 04/10/07 (1)
    • I thought the Loftin-White was SE coupled to the output - andy evans 13:40:00 04/10/07 (0)
  • Re: Can you DC couple two DHT stages? - Eli Duttman 06:36:39 04/10/07 (4)
    • Re: Can you DC couple two DHT stages? - andy evans 06:56:48 04/10/07 (3)
      • Re: Can you DC couple two DHT stages? - Eli Duttman 07:34:44 04/10/07 (2)
        • Re: Can you DC couple two DHT stages? - andy evans 07:46:05 04/10/07 (1)
          • Re: Can you DC couple two DHT stages? - Ray Moth 07:10:11 04/13/07 (0)
• change input tubes from 12ax7 to 6922 family - jarthel 00:11:56 04/10/07 (3)
  • Re: change input tubes from 12ax7 to 6922 family - Michael Samra 03:36:25 04/10/07 (2)
    • Spot on with your opinion on these two tubes (nt) - KIS 06:46:33 04/11/07 (0)
    • "Leave your 12ax7 in place" - Allen Wright 07:03:03 04/10/07 (0)
• here's another possibility....... - Vinnie 18:12:50 04/09/07 (1)
  • Re: here's another possibility....... - Eli Duttman 18:46:31 04/09/07 (0)
• Replaced 33pf 1500v with what - tnc 17:36:07 04/09/07 (9)
  • Re: Replaced 33pf 1500v with what - Eli Duttman 06:42:43 04/10/07 (0)
  • Re: Replaced 33pf 1500v with what - Chris O 04:53:28 04/10/07 (7)
    • Maybe it will work perfectly with them remove... - Allen Wright 07:05:37 04/10/07 (6)
      • Re: Maybe it will work perfectly with them remove... - tnc 17:18:53 04/10/07 (5)
        • Also NO! That's NOT what I meant! - Allen Wright 05:36:13 04/11/07 (0)
        • Absolutely Not!!! ... - Steve O 20:56:35 04/10/07 (1)
          • Very good advice! (nt) - Allen Wright 05:31:45 04/11/07 (0)
        • STOP - Gingertube 20:43:07 04/10/07 (1)
          • Re: STOP - tnc 21:14:33 04/10/07 (0)
• source for 50 ohm pots - Tre' 15:55:50 04/09/07 (2)
  • Re: source for 50 ohm pots - vanofmonks 16:25:30 04/09/07 (1)
    • That will work, Thanks...(nt) - Tre' 17:41:52 04/09/07 (0)
• question for triode kingdom... - Vinnie 15:42:03 04/09/07 (0)
• Purchased for the iron, what is it? - wpod 03:47:21 04/09/07 (10)
  • Well it no power amplifier! - gusser 19:56:15 04/09/07 (0)
  • Signal generator for testing - grhughes 17:32:10 04/09/07 (0)
  • Re: Purchased for the iron, what is it? - Jim McShane 12:25:49 04/09/07 (0)
  • Re: Purchased for the iron, what is it? - corerosin 08:55:02 04/09/07 (0)
  • Re: Purchased for the iron, what is it? Dr. Scholls is on the property tag... - Steve O 06:16:57 04/09/07 (4)
    • Re: Purchased for the iron, what is it? Dr. Scholls is on the property tag... - wpod 07:17:16 04/09/07 (3)
      • Rip 'er up! - Triode_Kingdom 08:18:00 04/09/07 (2)
        • Looks like there's a couple of nice attenuators too...(nt) - SomeJoe 15:58:26 04/09/07 (0)
        • I dunno....whole lot of good stuff there - Russ57 15:26:08 04/09/07 (0)
  • Re: Purchased for the iron, what is it? - arend-jan 04:23:05 04/09/07 (0)
• Brain Fart - danlaudionut 00:23:20 04/09/07 (5)
  • Getting there ... - danlaudionut 04:42:11 04/10/07 (0)
  • Re: Brain Fart - shermanr@prw.net 17:16:22 04/09/07 (0)
  • Can you plug the tubes in from the bottom of the chassis? - mikeyb 11:51:52 04/09/07 (1)
    • I Only Wish - Broke one wire already & I just started 8^D - danlaudionut 12:16:09 04/09/07 (0)
  • I hate it when that happens. (nt) - wpod 03:12:30 04/09/07 (0)
• help understanding twisted pair cabling - jarthel 23:14:33 04/08/07 (12)
  • Re: help understanding twisted pair cabling - danlaudionut 00:30:13 04/09/07 (11)
    • can I leave 1 end of the "ground" wire hanging? - jarthel 17:28:25 04/09/07 (1)
      • Yes. - kurt s 09:42:26 04/10/07 (0)
    • Not quite true. - kurt s 12:22:34 04/09/07 (5)
      • actually... - Dave Cigna 14:10:14 04/09/07 (3)
        • Still... - kurt s 14:57:12 04/09/07 (2)
          • Re: Still... - Dave Cigna 15:49:03 04/09/07 (1)
            • Re: Still... - kurt s 08:03:02 04/10/07 (0)
      • Re: Not quite true. - danlaudionut 12:30:06 04/09/07 (0)
    • hello DanL can you help drawn the load line on this - lovetube 03:10:47 04/09/07 (2)
      • I would appreciate it if you don't hijack my thread. it's very easy to create a new one., thanks :) (nt) - jarthel 05:40:59 04/09/07 (0)
      • Re: hello DanL can you help drawn the load line on this - danlaudionut 03:35:17 04/09/07 (0)
• 'lytic caps with parallel resistors - Vinnie 18:33:35 04/08/07 (3)
  • Re: 'lytic caps with parallel resistors - Carlos 19:17:09 04/08/07 (1)
    • Re: 'lytic caps with parallel resistors - Vinnie 03:35:14 04/09/07 (0)
  • Re: 'lytic caps with parallel resistors - Chris O 18:48:49 04/08/07 (0)
• another cap question... - Vinnie 13:21:46 04/08/07 (5)
  • Re: another cap question... - Poindexter 17:07:30 04/08/07 (1)
    • Re: another cap question... - Vinnie 17:45:30 04/08/07 (0)
  • Re: another cap question... - sorenj07 14:47:22 04/08/07 (2)
    • Re: another cap question... - Vinnie 15:25:56 04/08/07 (1)
      • Re: another cap question... - sorenj07 18:03:17 04/08/07 (0)
• cap question.... - Vinnie 13:01:54 04/08/07 (2)
  • Re: cap question.... - sorenj07 14:46:24 04/08/07 (0)
  • safety first - nc 13:28:10 04/08/07 (0)
• bridge question - Vinnie 08:50:47 04/08/07 (5)
  • Re: bridge question - Vinnie 08:53:41 04/08/07 (4)
    • Re: bridge question - danlaudionut 09:52:37 04/08/07 (3)
      • Re: bridge question - Vinnie 12:51:07 04/08/07 (2)
        • Re: bridge question - danlaudionut 17:18:03 04/08/07 (1)
          • Re: bridge question - Vinnie 17:47:17 04/08/07 (0)
• Choke loaded triode output impedance - 01A 14:30:42 04/07/07 (11)
  • Re: Choke loaded triode output impedance - Tre' 14:55:51 04/07/07 (10)
    • Re: Choke loaded triode output impedance - Tre' 15:37:16 04/07/07 (9)
      • Re: Choke loaded triode output impedance - 01A 15:46:23 04/07/07 (8)
        • Re: Choke loaded triode output impedance - dave slagle 16:17:45 04/07/07 (5)
          • Thanks Dave . Using a standard passive ... - 01A 16:29:51 04/07/07 (4)
            • Re: Thanks Dave . Using a standard passive ... - Thomas Mayer 01:20:43 04/08/07 (2)
              • Re: Thanks Dave . Using a standard passive ... - 01A 15:37:22 04/08/07 (1)
                • Re: Thanks Dave . Using a standard passive ... - Thomas Mayer 09:36:37 04/09/07 (0)
            • Re: Thanks Dave . Using a standard passive ... - dave slagle 17:47:16 04/07/07 (0)
        • Re: Choke loaded triode output impedance - Tre' 15:56:00 04/07/07 (1)
          • Re: Choke loaded triode output impedance - 01A 16:02:11 04/07/07 (0)
• question for triode kingdom... - Vinnie 06:32:03 04/07/07 (12)
  • and thanks some more......(nt) - Vinnie 05:49:07 04/08/07 (0)
  • 211 SET Amplifier (Single Ch) - Triode_Kingdom 19:02:31 04/07/07 (3)
    • Re: 211 SET Amplifier (Single Ch) - fred76 09:17:47 04/08/07 (2)
      • Re: 211 SET Amplifier (Single Ch) - Triode_Kingdom 13:55:55 04/08/07 (1)
        • Re: 211 SET Amplifier (Single Ch) - fred76 08:33:54 04/09/07 (0)
  • Bias Supply - Triode_Kingdom 19:00:45 04/07/07 (0)
  • Thanks! (nt) - Vinnie 16:29:55 04/07/07 (0)
  • LV Supply - Triode_Kingdom 12:59:43 04/07/07 (1)
    • Don't stop now! ;-) - Ivan303 13:07:40 04/07/07 (0)
  • HV Supply - Triode_Kingdom 12:51:05 04/07/07 (2)
    • Re: HV Supply - Dave Cigna 16:59:03 04/07/07 (1)
      • Re: HV Supply - Triode_Kingdom 19:27:20 04/07/07 (0)
• 2a3 checks - Randy 04:54:24 04/07/07 (3)
  • Re: 2a3 checks - Ron Oehlert 12:53:48 04/07/07 (2)
    • Re: 2a3 checks - Randy 21:19:13 04/07/07 (1)
      • Re: 2a3 checks - Ron Oehlert 11:12:56 04/09/07 (0)
• Pentode Driver question - Chung 03:27:13 04/07/07 (4)
  • Thanks, Ron - Chung 21:17:37 04/07/07 (0)
  • which tube are you talking about ? - lovetube 04:40:11 04/07/07 (2)
    • Re: 6bq5 - Chung 04:51:07 04/07/07 (1)
      • Re: 6bq5 - Ron Oehlert 12:42:30 04/07/07 (0)
• Mod tube OP-stage, Sugestions appreciated - ahlgren11@telia.com 02:56:56 04/07/07 (9)
  • Re: Mod tube OP-stage, Sugestions appreciated - danlaudionut 10:15:21 04/08/07 (5)
    • Re: Mod tube OP-stage, Sugestions appreciated - ahlgren11@telia.com 10:49:38 04/08/07 (4)
      • Re: Mod tube OP-stage, Sugestions appreciated - danlaudionut 11:01:36 04/08/07 (3)
        • Re: Mod tube OP-stage, Sugestions appreciated - ahlgren11@telia.com 01:39:13 04/09/07 (2)
          • Re: Mod tube OP-stage, Sugestions appreciated - danlaudionut 03:52:27 04/09/07 (1)
            • Re: Mod tube OP-stage, Sugestions appreciated - ahlgren11@telia.com 04:33:37 04/09/07 (0)
  • 10mA is far better than 2mA for such a CF - but can the powersupply - Allen Wright 12:24:19 04/07/07 (2)
    • Re: 10mA is far better than 2mA for such a CF - but can the powersupply - ahlgren11@telia.com 23:19:53 04/07/07 (1)
      • Re: 10mA is far better than 2mA for such a CF - but can the powersupply - Allen Wright 06:45:46 04/08/07 (0)
• 6L6gb vs 6L6wgb - rickyd 17:35:24 04/06/07 (1)
  • Re: 6L6gb vs 6L6wgb - beermanpete@socal.rr.com 23:08:28 04/06/07 (0)
• Citation II AC balance - PJADDEO 17:30:33 04/06/07 (8)
  • Re: Citation II AC balance - Jim McShane 19:01:07 04/06/07 (7)
    • Re: Citation II AC balance - truep 09:07:34 04/07/07 (3)
      • Re: Citation II AC balance - Jim McShane 09:21:43 04/07/07 (2)
        • Re: Citation II AC balance - Dave Cigna 10:45:19 04/07/07 (1)
          • Re: Citation II AC balance - Jim McShane 11:31:02 04/07/07 (0)
    • Re: Citation II AC balance - PJADDEO 07:51:05 04/07/07 (2)
      • Re: Citation II AC balance - sorenj07 08:20:07 04/07/07 (1)
        • Re: Citation II AC balance - Jim McShane 09:11:49 04/07/07 (0)
• GM70 versus SV811/SV572 - mikeyb 05:42:08 04/06/07 (3)
  • Why use a 30$ socket when you can get a 200$ one... - SomeJoe 18:05:45 04/13/07 (0)
  • Re: GM70 versus SV811/SV572 - Michael Samra 13:51:24 04/06/07 (0)
  • Re: GM70 versus SV811/SV572 - Scholl 08:55:49 04/06/07 (0)
• Can DC voltage be present on AC house line? - GBLPS 05:20:30 04/06/07 (18)
  • Things that dump a lot of trash to ground.... - grhughes 10:36:08 04/06/07 (2)
    • Re: Things that dump a lot of trash to ground.... - GBLPS 11:53:01 04/06/07 (1)
      • Re: Things that dump a lot of trash to ground.... - ahlgren11@telia.com 08:16:37 04/07/07 (0)
  • Sort of - KurtP 10:07:45 04/06/07 (5)
    • Re: Sort of - GBLPS 11:55:34 04/06/07 (4)
      • Re: Sort of - ChrisVH 05:55:39 04/08/07 (0)
      • Okay, that's good information - KurtP 13:35:06 04/06/07 (2)
        • Re: Okay, that's good information - GBLPS 15:07:47 04/06/07 (1)
          • Re: Okay, that's good information - KurtP 17:54:12 04/07/07 (0)
  • Yes and Yes(nt) - Russ57 06:19:04 04/06/07 (8)
    • Re: Yes and Yes(nt) - GBLPS 06:32:53 04/06/07 (7)
      • Isolation transformer. - Scholl 08:57:56 04/06/07 (2)
        • Any Recommendations! nt - GBLPS 11:57:34 04/06/07 (1)
          • Signal DU 1/2 (nt) - tville3 04:53:35 04/07/07 (0)
      • Maybe not... - Triode_Kingdom 06:47:06 04/06/07 (3)
        • Re: Maybe not... - GBLPS 07:01:23 04/06/07 (2)
          • Re: Maybe not... - Triode_Kingdom 07:40:18 04/06/07 (1)
            • Re: Maybe not... THANKS!!! nt - GBLPS 07:53:35 04/06/07 (0)
• How important is the quality of a triode used as a cathode follower? - Ray Moth 02:37:26 04/06/07 (12)
  • Thanks for that, Allen - Ray Moth 01:51:23 04/12/07 (0)
  • Re: How important is the quality of a triode used as a cathode follower? - . 03:12:34 04/07/07 (0)
  • Opinions are like ten toes and ten fingers..We've all got em! - grhughes 10:00:13 04/06/07 (2)
    • Re: Opinions are like ten toes and ten fingers..We've all got em! - Janos 21:52:28 04/06/07 (1)
      • The volume control doesn't have to be frequency compensated... - grhughes 06:53:18 04/07/07 (0)
  • Re: How important is the quality of a triode used as a cathode follower? - reb 08:42:52 04/06/07 (0)
  • Absolutely important! (nt) - Allen Wright 03:09:56 04/06/07 (5)
    • Let me be a little more specific - Ray Moth 02:18:08 04/07/07 (4)
      • Sovtek 6SN7s - PeterP 18:49:16 04/08/07 (0)
      • Have/would never use such a low gM tube in that role... - Allen Wright 12:18:02 04/07/07 (2)
        • Re: Have/would never use such a low gM tube in that role... - Ray Moth 16:32:13 04/07/07 (1)
          • would a MOSFET source follower..." - Allen Wright 05:45:06 04/11/07 (0)
• Russian K75 caps - Gofast 19:21:20 04/05/07 (0)
• Instantaneous hum - breadhead 04:08:33 04/05/07 (38)
  • What's your source? - cawa 11:54:03 04/09/07 (0)
  • It hums because it doesn't know the lyrics. - floydandrews 12:02:35 04/06/07 (1)
    • Ha! - AndrewLloydWeber 02:32:30 04/07/07 (0)
  • Sorry, hum can happen due to MANY different cause... - Thomas Martens 19:27:23 04/05/07 (3)
    • Which Jones Book? - Perseo 05:48:05 04/06/07 (1)
      • Re: Which Jones Book? - Mahatma Kane Jeeves 18:21:14 04/06/07 (0)
    • Re: Sorry, hum can happen due to MANY different cause... - breadhead 03:40:09 04/06/07 (0)
  • More hum info - breadhead 16:35:28 04/05/07 (10)
    • Hmmmmm... - Triode_Kingdom 07:42:39 04/06/07 (1)
      • Re: Hmmmmm... - breadhead 09:13:34 04/06/07 (0)
    • Then you have built yourself some sort of earth (hum) loop into... - Allen Wright 03:20:27 04/06/07 (7)
      • Re: Then you have built yourself some sort of earth (hum) loop into... - breadhead 03:42:29 04/06/07 (6)
        • " I am currently using a 12ga. bus for ground" - Allen Wright 07:54:03 04/06/07 (5)
          • Implementation mistake - breadhead 11:04:39 04/06/07 (3)
            • "I noticed that the signal input is not referenced to ground in any way" - Allen Wright 12:41:45 04/07/07 (2)
              • Guess what I meant was... - breadhead 16:40:10 04/08/07 (0)
              • Been doing some online studying - breadhead 16:36:45 04/07/07 (0)
          • Re: " I am currently using a 12ga. bus for ground" - breadhead 09:19:03 04/06/07 (0)
  • Is it a tube amp? If so, and it hums before the tubes have even... - Allen Wright 05:54:53 04/05/07 (10)
    • Link to schematic - breadhead 16:17:30 04/05/07 (6)
      • I take it you've noticed the mix-up between g1 and g2? - Ray Moth 16:09:15 04/08/07 (1)
        • Re: I take it you've noticed the mix-up between g1 and g2? - breadhead 16:37:08 04/08/07 (0)
      • Huh? Where is that cathode of the upper output tube going? - arend-jan 02:55:24 04/06/07 (1)
        • Re: Huh? Where is that cathode of the upper output tube going? - breadhead 03:47:16 04/06/07 (0)
      • Re: Link to schematic - 2wo 20:22:04 04/05/07 (1)
        • Re: Link to schematic - breadhead 03:49:52 04/06/07 (0)
    • Re: Is it a tube amp? If so, and it hums before the tubes have even... - breadhead 15:45:10 04/05/07 (2)
      • Then you have made some sort of earth loop in the wiring and that's... - Allen Wright 03:16:23 04/06/07 (1)
        • Re: Then you have made some sort of earth loop in the wiring and that's... - breadhead 03:52:53 04/06/07 (0)
  • Re: Instantaneous hum - Mahatma Kane Jeeves 05:02:29 04/05/07 (6)
    • Re: It happened to me - stephen graham 08:25:50 04/05/07 (0)
    • Could be, but what if he's linked the speaker gnd via heater gnd... - Allen Wright 05:57:08 04/05/07 (4)
      • Re: Could be, but what if he's linked the speaker gnd via heater gnd... - Mahatma Kane Jeeves 06:52:09 04/05/07 (3)
        • Re: Could be, but what if he's linked the speaker gnd via heater gnd... - breadhead 15:48:18 04/05/07 (1)
          • Re: Could be, but what if he's linked the speaker gnd via heater gnd... - bpur 13:14:59 04/06/07 (0)
        • Re: Could be, but what if he's linked the speaker gnd via heater gnd... - pipo 08:16:03 04/05/07 (0)
  • My guess would be grounding. - Bas Horneman 04:22:27 04/05/07 (1)
    • Re: My guess would be grounding. - b 15:50:52 04/05/07 (0)
• AKFEST07 Pictures - mrclassicman 20:05:24 04/04/07 (9)
  • Wow.. a Marantz 1A ...nice! - drummerwill 19:06:23 04/05/07 (2)
    • Re: Wow.. a Marantz 1A ...nice! - Michael Samra 13:06:39 04/06/07 (0)
    • Re: Wow.. a Marantz 1A ...nice! - mrclassicman 22:47:38 04/05/07 (0)
  • can't see the gallery. page won't load. (nt) - jarthel 07:12:13 04/05/07 (3)
    • Were you able to load finally? - mrclassicman 14:54:28 04/05/07 (0)
    • Gallery works for me. Probably your provider has - Bas Horneman 07:46:41 04/05/07 (1)
      • YES ! YES ! - mrclassicman 07:59:54 04/05/07 (0)
  • Re: AKFEST07 Pictures - dave slagle 20:21:42 04/04/07 (1)
    • Metro Times Article - mrclassicman 21:02:30 04/04/07 (0)
• power tranny question - Vinnie 17:52:24 04/04/07 (16)
  • check the primaries - Ed Sawyer 18:59:32 04/05/07 (0)
  • Re: power tranny question - Dave Cigna 16:17:16 04/05/07 (3)
    • Re: power tranny question - Vinnie 17:57:32 04/05/07 (2)
      • Re: power tranny question - Dave Cigna 05:07:18 04/07/07 (1)
        • Re: power tranny question - dave slagle 06:12:13 04/07/07 (0)
  • Re: power tranny question - Michael Samra 00:33:25 04/05/07 (2)
    • Re: power tranny question - Vinnie 14:45:00 04/05/07 (1)
      • 2 vs 4 diodes - nc 15:36:39 04/05/07 (0)
  • Sounds perfect! - Triode_Kingdom 20:55:52 04/04/07 (2)
    • Re: Sounds perfect! - Vinnie 14:38:16 04/05/07 (1)
      • Re: Sounds perfect! - dave slagle 15:34:36 04/05/07 (0)
  • Re: power tranny question - dave slagle 20:29:13 04/04/07 (0)
  • Re: power tranny question - Eli Duttman 19:04:46 04/04/07 (3)
    • Re: power tranny question - Vinnie 14:49:36 04/05/07 (2)
      • Re: power tranny question - Eli Duttman 19:26:13 04/05/07 (1)
        • Re: power tranny question - Vinnie 04:39:41 04/06/07 (0)
• Bob Latino Dynaco 70 - Frihed89 01:11:35 04/04/07 (11)
  • Re: Bob Latino Dynaco 70 - kstagger 09:57:26 04/04/07 (10)
    • Dynaco 70 mods - janos 20:32:30 04/04/07 (9)
      • A NEW Dynaco ST-70 - Bob Latino 14:34:59 04/05/07 (8)
        • Re: A NEW Dynaco ST-70 - Janos 21:47:49 04/06/07 (3)
          • Re: A NEW Dynaco ST-70 - Kyle K 11:39:25 04/07/07 (1)
            • Re: A NEW Dynaco ST-70 - Janos 12:12:48 04/07/07 (0)
          • Bias issues on the ST-70 - Bob Latino 06:48:31 04/07/07 (0)
        • Re: A NEW Dynaco ST-70 - hahax@verizon.net 20:09:40 04/05/07 (3)
          • You have a point well taken - Bob Latino 09:11:28 04/06/07 (0)
          • Thanks everyone. One last question? - Frihed89 00:57:04 04/06/07 (1)
            • Re: Thanks everyone. One last question? - sorenj07 08:16:07 04/07/07 (0)
• CMC brand RCA - Model 805FG - Maxdd 20:29:01 04/03/07 (2)
  • Re: CMC brand RCA - Model 805FG - Poindexter 22:40:57 04/03/07 (0)
  • Re: CMC brand RCA - Model 805FG - JoKath 21:20:32 04/03/07 (0)
• Effect of caps across diodes in power supply - Tre' 19:17:08 04/03/07 (18)
  • It will lower the ringing frequency - Jim Hagerman 23:37:06 04/05/07 (0)
  • Better caps? - SomeJoe 08:03:15 04/05/07 (1)
    • Maybe overkill? Yes. - arend-jan 10:54:44 04/05/07 (0)
  • Ideally a cap and a resistor in parallel - grhughes 12:30:20 04/04/07 (13)
    • Re: Ideally a cap and a resistor in parallel - grhughes 14:50:26 04/04/07 (8)
      • Re: Ideally a cap and a resistor in parallel - grhughes 14:56:23 04/04/07 (7)
        • Re: Ideally a cap and a resistor in parallel - Tre' 15:30:36 04/04/07 (6)
          • Treat the disease first - then the remaining symptoms - Gingertube 17:15:54 04/04/07 (5)
            • Replacing standard diodes with UF diodes...... - thermionic addictions 10:03:08 04/05/07 (0)
            • Re: Treat the disease first - then the remaining symptoms - Eli Duttman 17:32:52 04/04/07 (3)
              • Diode Paranoia - Triode_Kingdom 06:05:27 04/05/07 (1)
                • Re: Diode Paranoia - Eli Duttman 19:35:05 04/05/07 (0)
              • Thanks to all for the tips. (nt) - Tre' 18:04:43 04/04/07 (0)
    • Re: Ideally a cap and a resistor in parallel - Tre' 12:54:13 04/04/07 (3)
      • The cap is in series of the resistor. - cheap-Jack 13:13:15 04/04/07 (0)
      • One more question, please - Tre' 13:10:03 04/04/07 (1)
        • Across each diode... - Triode_Kingdom 13:15:00 04/04/07 (0)
  • Re: Effect of caps across diodes in power supply - Eli Duttman 19:54:32 04/03/07 (0)
• why use a gm70 when 845 is current production (chinese though) and... - jarthel 18:29:34 04/03/07 (29)
  • Good question. no good answers IMNSHO - Ed Sawyer 19:08:25 04/05/07 (4)
    • Re: Fugly? - Dave-A 08:24:28 04/07/07 (0)
    • Sorry Ed, the arguments dont make any sense - Jim Doyle 01:04:00 04/06/07 (1)
      • Re: Sorry Ed, the arguments dont make any sense - nc 16:27:51 04/08/07 (0)
    • Re: Good question. no good answers IMNSHO - nc 19:20:53 04/05/07 (0)
  • Quality parts courtesy of the Taxpayers of the USSR - Jim Doyle 20:44:40 04/04/07 (3)
    • Is it still in production? (nt) - Triode_Kingdom 06:07:02 04/05/07 (2)
      • Unfortunately, not. - sser2 11:58:32 04/06/07 (0)
      • And why does it matter unless you are a manufacturer - nc 19:17:19 04/05/07 (0)
  • Because: - sser2 20:17:29 04/03/07 (2)
    • cheaper? - jarthel 20:47:42 04/03/07 (1)
      • Cheaper. - sser2 11:40:06 04/04/07 (0)
  • Re: why use a gm70 when 845 is current production (chinese though) and... - dave slagle 18:51:55 04/03/07 (16)
    • is there any advantage to having double the heater power? thanks (nt) - jarthel 20:48:36 04/03/07 (15)
      • Implies greater peak cathode current capability (nt) - Triode_Kingdom 05:44:16 04/04/07 (14)
        • Re: Implies greater peak cathode current capability (nt) - dave slagle 07:35:50 04/04/07 (13)
          • Re: which also doubles the voltage gradient across the cathode.... - Ivan303 11:28:56 04/04/07 (12)
            • It is not so bad. - sser2 11:51:31 04/04/07 (9)
              • Re: It is not so bad. - dave slagle 16:07:08 04/04/07 (8)
                • Agree. - sser2 19:38:14 04/04/07 (7)
                  • Agree but not an issue because... - Triode_Kingdom 07:28:47 04/06/07 (5)
                    • It depends. - sser2 12:31:23 04/06/07 (4)
                      • tx-rectifiers-lclc-cmc-hum pot-filaments - nc 12:48:53 04/06/07 (3)
                        • Right. - sser2 13:23:15 04/06/07 (2)
                          • More research & an article by Lynn Olson - nc 14:14:00 04/07/07 (1)
                            • Sure it won't hurt to have more. - sser2 16:46:26 04/07/07 (0)
                  • Re: Agree. - dave slagle 20:33:44 04/04/07 (0)
            • Re: which also doubles the voltage gradient across the cathode.... - dave slagle 11:47:34 04/04/07 (1)
              • Me too... - Ivan303 12:00:31 04/04/07 (0)
• Parasound HCA 1000 Power Switch - Klaaren 03:56:15 04/03/07 (0)
• What PP amp to build? - speleo 06:47:34 04/02/07 (43)
  • Use 6sj7gt into 6BL7 into Kt77's all octal. - -3db 18:11:22 04/09/07 (0)
  • Re: What PP amp to build? - sorenj07 18:26:57 04/03/07 (5)
    • 5K not optimal for Williamson, BUT check this out! - Thomas Martens 13:16:24 04/04/07 (3)
      • Whoops! minor correction.... - Thomas Martens 13:25:58 04/04/07 (2)
        • With all these stages, and no loop feedback... - Allen Wright 01:24:43 04/05/07 (1)
          • Yep... - Thomas Martens 20:57:49 04/05/07 (0)
    • Re: What PP amp to build? - sorenj07 18:31:34 04/03/07 (0)
  • EL34, triode connected.... - Thomas Martens 17:28:49 04/03/07 (0)
  • Mullard 4-20 (NT) - maxhifi 10:36:26 04/03/07 (0)
  • Re: What PP amp to build? - shermanr@prw.net 08:45:08 04/03/07 (0)
  • Re: What PP amp to build? - Michael Samra 02:16:12 04/03/07 (0)
  • PP1 as pentode with local feedback - pipo 00:24:00 04/03/07 (10)
    • "Can I lower the 470 ohm resistor in the tail of the cascodes... - Allen Wright 05:15:37 04/03/07 (9)
      • Local Loop feeback - maxhifi 12:55:12 04/03/07 (8)
        • Re: Local Loop feeback - Ron Oehlert 15:06:23 04/03/07 (7)
          • I disagree with this point. - Allen Wright 01:20:30 04/04/07 (6)
            • "The RDH states: A transformer's distortion is zero if the driving impedance is also zero..." - kurt s 14:20:47 04/05/07 (0)
            • OT inside a feedback loop - Gingertube 20:50:28 04/04/07 (2)
              • More rave - he must be bored - Gingertube 21:13:31 04/04/07 (1)
                • On-yah, Ginge! (nt) - Allen Wright 01:20:11 04/05/07 (0)
            • Zero distortion... - Triode_Kingdom 13:12:59 04/04/07 (1)
              • You'll have to read it for yourself... - Allen Wright 01:21:38 04/05/07 (0)
  • Einstein Aikido, maybe - nc 23:59:43 04/02/07 (0)
  • Re: What PP amp to build? - Eli Duttman 17:36:10 04/02/07 (2)
    • Splitter? - Ray Moth 01:12:40 04/03/07 (1)
      • Re: Splitter? - Eli Duttman 01:45:00 04/03/07 (0)
  • I'd suggest - Russ57 09:47:46 04/02/07 (14)
    • Or with 300b's - SteveBrown 07:20:33 04/03/07 (1)
      • How did you organise the individual 300B's biasing? (nt) - Allen Wright 01:22:53 04/04/07 (0)
    • This basic circuit works very well with KT88.6550 type tubes... - Allen Wright 10:09:30 04/02/07 (11)
      • Got a version that will work with EL-84's? - Ivan303 13:10:13 04/03/07 (10)
        • EL84 Amp - another possibility - Gingertube 18:14:21 04/04/07 (2)
          • Re: EL84 Amp - another possibility - pipo 02:46:29 04/05/07 (1)
            • Re: EL84 Amp - another possibility is the STC el84 or ecl82 - pipo 02:49:18 04/05/07 (0)
        • Only need to reduce the B+... - Allen Wright 01:25:01 04/04/07 (0)
        • It will work with them but.... - Russ57 17:01:31 04/03/07 (5)
          • I disagree... - Allen Wright 04:43:42 04/04/07 (4)
            • I think I was misunderstood - Russ57 06:14:49 04/04/07 (3)
              • He did say he wanted real killer of a El84 amp... (nt) - Allen Wright 08:13:17 04/04/07 (2)
                • cascode question for allen wright - pipo 02:44:21 04/05/07 (1)
                  • maybe saw it, never tried it. - Allen Wright 06:03:17 04/05/07 (0)
  • Re: What PP amp to build? - Michael Samra 08:29:53 04/02/07 (1)
    • Re: What PP amp to build?ST-70 6267/ecc99 into triode kt88's nt - -3db 16:48:31 04/02/07 (0)
• RCA vs Sylvania 6W6GT - danlaudionut 06:18:38 04/02/07 (3)
  • how do you plan to use them - RayP 09:19:22 04/02/07 (2)
    • Re: how do you plan to use them - maxhifi 10:38:22 04/03/07 (0)
    • Re: how do you plan to use them - danlaudionut 09:33:36 04/02/07 (0)
• SCA-35 - slow moving train - kurt@bauer.org 17:20:49 04/01/07 (10)
  • PS: Heater supply - BBeck 13:54:49 04/04/07 (0)
  • Why 510K in the gate of the FET? - BBeck 12:03:46 04/04/07 (5)
    • Re: Why 510K in the gate of the FET? - Eli Duttman 03:27:19 04/05/07 (4)
      • Re: Why 510K in the gate of the FET? - BBeck 07:38:44 04/06/07 (3)
        • Re: Why 510K in the gate of the FET? - Eli Duttman 15:26:04 04/06/07 (2)
          • Re: Why 510K in the gate of the FET? - BBeck 17:13:27 04/06/07 (1)
            • Re: Why 510K in the gate of the FET? - Eli Duttman 08:02:54 04/07/07 (0)
  • Re: SCA-35 - slow moving train - JimL 21:53:14 04/01/07 (2)
    • Re: SCA-35 - slow moving train - kurt@bauer.org 18:18:45 04/02/07 (1)
      • Re: SCA-35 - slow moving train - Eli Duttman 02:06:08 04/03/07 (0)
• So is this a joke? - Tre' 13:28:06 04/01/07 (17)
  • This sacred domain brooks no agression, amen. (nt) - cheap-Jack 10:44:18 04/02/07 (0)
  • What happen if someone place a bid thinking it just a joke? - Wise Lee 20:16:38 04/01/07 (0)
  • and the high bidder is...... - mqracing 19:57:24 04/01/07 (0)
  • I am going to bid. - gluca 15:01:04 04/01/07 (5)
    • Don't wait until the last minute... - Kyle K 15:26:27 04/01/07 (4)
      • Sniping software setted - nc 15:28:02 04/01/07 (3)
        • Do you want to know more? - gluca 15:47:36 04/01/07 (2)
          • Damn you Italians - Russ57 15:35:44 04/02/07 (1)
            • LOL n/t - gluca 15:39:35 04/02/07 (0)
  • And I'm Sid Finch - zacster 14:52:30 04/01/07 (0)
  • Lirpa Labs???? Sloof Audio is the next bidder. nt - zacster 14:50:53 04/01/07 (0)
  • It's up to $1,209,750! - Dave Cigna 14:48:59 04/01/07 (0)
  • Given the date, I'm guessing it is. - zacster 14:36:48 04/01/07 (0)
  • Re: So is this a joke? - Cappy 13:59:49 04/01/07 (2)
    • Re: So is this a joke? - Tre' 14:23:46 04/01/07 (0)
    • Re: So is this a joke? - dave slagle 14:04:00 04/01/07 (0)
  • includes all computer hardware and 47,347 lightly used Inmates .. guess so :-D - arend-jan 13:52:51 04/01/07 (0)
• Interstages with very high inductance - SomeJoe 09:13:16 04/01/07 (21)
  • 6BL7 - nl 11:36:03 04/04/07 (1)
    • 12AT7 mu=65, 6BL7 mu=15 - SomeJoe 09:08:20 04/11/07 (0)
  • what's the application? - Dave Cigna 14:45:51 04/01/07 (12)
    • Re: what's the application? - SomeJoe 17:27:15 04/01/07 (11)
      • Re: what's the application? - Dave Cigna 14:01:20 04/02/07 (10)
        • Re: what's the application? - Gerd 03:26:56 04/03/07 (5)
          • Re: what's the application? - Dave Cigna 13:16:56 04/03/07 (0)
          • Re: what's the application? - mqracing 11:04:38 04/03/07 (2)
            • Re: what's the application? - dave slagle 19:28:02 04/03/07 (1)
              • Re: what's the application? - Gerd 23:42:31 04/03/07 (0)
          • Re: what's the application? - dave slagle 08:41:43 04/03/07 (0)
        • Might be better to consider a different tube huh? - Russ57 15:44:49 04/02/07 (3)
          • Re: Might be better to consider a different tube huh? - SomeJoe 20:38:38 04/02/07 (2)
            • Re: Might be better to consider a different tube huh? - mqracing 12:07:17 04/03/07 (1)
              • Re: Might be better to consider a different tube huh? - SomeJoe 09:33:21 04/04/07 (0)
  • Re: Interstages with very high inductance - mqracing 09:53:57 04/01/07 (5)
    • what about a lot of swinging voltages? - nc 13:24:50 04/01/07 (0)
    • Re: Interstages with very high inductance - SomeJoe 11:47:37 04/01/07 (3)
      • Re: Interstages with very high inductance - mqracing 19:56:10 04/01/07 (2)
        • Re: Interstages with very high inductance - SomeJoe 20:42:26 04/02/07 (1)
          • Re: Interstages with very high inductance - mqracing 12:04:12 04/03/07 (0)
• Where are the 307A amps ?! - coresta 00:29:33 04/01/07 (0)

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