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Sponsored Links VH Audio - Cables, Tweaks, Accessories and DIY Parts AudioAsylum Trader Sonic Frontiers Line 3 Tube Preamplifier - Sonic Frontiers Line 3 Tube Preamplifier in Excell... Conrad Johnson MV-75a - buyer backed out without any replies. I will updat...

• Basic tube testing - questions!! - andy evans 04:12:19 06/03/19 (12)
  • RE: Basic tube testing - questions!! - deafbykhorns 10:50:37 06/05/19 (0)
  • RE: Basic tube testing - questions!! - Caucasian Blackplate 13:50:59 06/03/19 (0)
  • RE: Basic tube testing - questions!! - vinnie2 09:42:15 06/03/19 (0)
  • RE: Basic tube testing - questions!! - Triode_Kingdom 09:06:11 06/03/19 (2)
    • That's interesting - andy evans 11:02:43 06/03/19 (1)
      • RE: That's interesting - Triode_Kingdom 00:09:20 06/04/19 (0)
  • RE: Basic tube testing - questions!! - deathtube 667 07:05:16 06/03/19 (0)
  • RE: Basic tube testing - questions!! - Chip647 05:36:15 06/03/19 (3)
    • I was hoping to see if the tubes are strong or weak - andy evans 07:56:11 06/03/19 (2)
      • All an "Emissions" test does is check if the tube passes current - Chip647 16:52:52 06/04/19 (1)
        • Ah - I was using DC filaments - andy evans 00:31:38 06/05/19 (0)
  • 01A curves - andy evans 04:14:43 06/03/19 (0)
• Testing with/without Load??? - TomWh 14:19:12 06/01/19 (17)
  • I use this - Bill Way 08:42:23 06/02/19 (12)
    • RE: I use this - Tre' 11:00:29 06/02/19 (11)
      • Is "non-inductive" of any real importance for dummy loads? - 1973shovel 11:38:06 06/02/19 (8)
        • RE: Is "non-inductive" of any real importance for dummy loads? - Caucasian Blackplate 13:44:33 06/02/19 (1)
          • That's a good point - 1973shovel 05:37:36 06/03/19 (0)
        • RE: Is "non-inductive" of any real importance for dummy loads? - Tre' 12:46:09 06/02/19 (5)
          • I was just curious - 1973shovel 05:26:32 06/03/19 (4)
            • RE: I was just curious - Triode_Kingdom 08:51:48 06/03/19 (3)
              • Thanks TK - 1973shovel 13:47:21 06/03/19 (2)
                • RE: Thanks TK - Triode_Kingdom 00:03:53 06/04/19 (1)
                  • I do need a few things from there - 1973shovel 14:25:30 06/04/19 (0)
      • RE: I use this - JKT 11:25:10 06/02/19 (1)
        • Nice! (nt) - Tre' 11:34:22 06/02/19 (0)
  • RE: Testing with/without Load??? - Caucasian Blackplate 16:48:55 06/01/19 (0)
  • what blows in a power amp, without a load? - Chip647 16:33:33 06/01/19 (0)
  • Its a Tube amp that needs the load. - Cougar 15:06:44 06/01/19 (1)
    • Old SS amps too! - gusser 19:59:19 06/01/19 (0)
• VT200 bias all over the place - audioeyedoc 20:10:52 05/30/19 (16)
  • RE: VT200 bias all over the place - audioeyedoc 09:34:11 06/03/19 (2)
    • Mundorf Supreme Silver PIO cap - FenderLover 15:31:19 06/03/19 (1)
      • RE: Mundorf Supreme Silver PIO cap - audioeyedoc 07:42:33 06/04/19 (0)
  • I had my local repair shop... - Jonesy 06:44:45 06/01/19 (3)
    • "Just don't over do it by piling on solder." - FenderLover 08:35:25 06/01/19 (2)
      • RE: "Just don't over do it by piling on solder." - JKT 12:10:52 06/01/19 (1)
        • I totally agree with those! - Cougar 17:52:54 06/01/19 (0)
  • RE: VT200 bias all over the place - Caucasian Blackplate 06:44:45 05/31/19 (6)
    • RE: VT200 bias all over the place - audioeyedoc 08:08:47 05/31/19 (5)
      • which 6922's? that could be a problem, 6 of them must be dead on !@#$%^ right.~nT - Cleantimestream 12:41:15 05/31/19 (2)
        • Addendum... - Cleantimestream 07:32:13 06/01/19 (1)
          • RE: Addendum... - audioeyedoc 08:23:43 06/01/19 (0)
      • I believe cathodes of the output tubes are DC-coupled to the speakers, that is a fine balance going on there.. - Cleantimestream 11:59:32 05/31/19 (0)
      • RE: VT200 bias all over the place - Caucasian Blackplate 09:03:14 05/31/19 (0)
  • RE: VT200 bias all over the place - FenderLover 01:42:50 05/31/19 (1)
    • RE: VT200 bias all over the place - Bill Way 06:20:40 06/01/19 (0)
• Popping started again in my VTA-120. - Cougar 16:47:12 05/29/19 (50)
  • Update 4 - Cougar 20:31:07 06/22/19 (0)
  • Update 3 - Cougar 14:45:02 06/09/19 (0)
  • UPDATE 2 Here's what I found and fixed. - Cougar 12:30:11 06/01/19 (1)
    • That's great! (nt) - Tre' 11:02:33 06/02/19 (0)
  • UPDATE! Here's what I found so far. - Cougar 08:54:12 06/01/19 (1)
    • RE: UPDATE! Here's what I found so far. - FenderLover 09:52:39 06/01/19 (0)
  • RE: Popping started again in my VTA-120. - twystd 12:42:04 05/30/19 (2)
    • I haven't tried cleaning the sockets yet... - Cougar 16:26:41 05/30/19 (1)
      • RE: I haven't tried cleaning the sockets yet... - twystd 18:23:40 05/30/19 (0)
  • RE: Popping started again in my VTA-120. - Jim McShane 09:48:21 05/30/19 (1)
    • I heard it in the Right speaker but... - Cougar 16:23:30 05/30/19 (0)
  • I know it is common to exceed it, but the recommended input cap for a GZ37 is 4uf - Chip647 05:10:24 05/30/19 (21)
    • RE: I know it is common to exceed it, but the recommended input cap for a GZ37 is 4uf - Tre' 17:23:39 05/30/19 (18)
      • Here's an example where a 220Uf cap does not.. - Tre' 17:42:59 05/30/19 (17)
        • Here's an example with 250ma. of current is being drawn... - Tre' 17:46:34 05/30/19 (16)
          • Here's an example where 4uf is too much - Tre' 17:50:58 05/30/19 (15)
            • The ST120 is running it at +200mA at 500 v output - Chip647 04:27:11 05/31/19 (14)
              • RE: The ST120 is running it at +200mA at 500 v output - Tre' 09:21:21 05/31/19 (13)
                • No, but I know how to overload a rectifier - Chip647 19:02:37 05/31/19 (12)
                  • RE: No, but I know how to overload a rectifier - Tre' 19:16:55 05/31/19 (11)
                    • Chip, I have a question for you. - Tre' 19:42:52 05/31/19 (10)
                      • One, you are right about the WPC spec of the Bob Latino 120 amp - Chip647 06:50:07 06/01/19 (9)
                        • RE: One, you are right about the WPC spec of the Bob Latino 120 amp - Tre' 08:03:32 06/01/19 (8)
                          • I'm still learning the world of tubes but... - Cougar 08:38:22 06/01/19 (7)
                            • RE: I'm still learning the world of tubes but... - Tre' 09:38:29 06/01/19 (6)
                              • here's what I found on the Dynaco Forum site. - Cougar 11:19:38 06/01/19 (5)
                                • RE: here's what I found on the Dynaco Forum site. - Tre' 15:20:53 06/01/19 (2)
                                  • I really appreciate the info and graphs... - Cougar 15:47:44 06/01/19 (1)
                                    • You're very welcome. (nt) - Tre' 18:23:28 06/01/19 (0)
                                • IF the power Xformer can handle 3 amps ... Use a 5V3A... Problem solved. - Cleantimestream 11:48:54 06/01/19 (1)
                                  • You are correct - Tre' 15:17:47 06/01/19 (0)
    • RE: I know it is common to exceed it, but the recommended input cap for a GZ37 is 4uf - Cougar 16:22:07 05/30/19 (1)
      • RE: I know it is common to exceed it, but the recommended input cap for a GZ37 is 4uf - Tre' 17:28:30 05/30/19 (0)
  • A single GZ37 is working damned hard in such a circuit. - Timbo in Oz 04:11:51 05/30/19 (8)
    • A member over on AK uses the same tube with no issues. - Cougar 16:29:29 05/30/19 (7)
      • RE: A member over on AK uses the same tube with no issues. - Tre' 18:16:26 05/30/19 (6)
        • Bob design the power supply to use... - Cougar 19:41:28 05/30/19 (5)
          • I didn't know Bob designed any of their circuits - 1973shovel 04:36:33 06/01/19 (0)
          • RE: Bob design the power supply to use... - Eli Duttman 22:11:46 05/30/19 (3)
            • RE: Bob design the power supply to use... - Tre' 07:39:19 05/31/19 (2)
              • RE: Bob design the power supply to use... - Tre' 08:04:31 05/31/19 (1)
                • what a choke input PS does. - Tre' 08:21:40 05/31/19 (0)
  • Hi frequency ringing sounds like a microphonic tube...nt - DAK 01:59:55 05/30/19 (1)
    • That high pitch noise only started... - Cougar 16:08:37 05/30/19 (0)
  • Do you have a solid state rectifier to sub.... - viridian 19:43:20 05/29/19 (1)
    • RE: Do you have a solid state rectifier to sub.... - Cougar 16:07:32 05/30/19 (0)
  • RE: Popping started again in my VTA-120. - FenderLover 17:27:09 05/29/19 (3)
    • No, I don't have another known good set. - Cougar 18:47:47 05/29/19 (2)
      • If you replace the front end tubes... - FenderLover 19:17:54 05/29/19 (1)
        • RE: If you replace the front end tubes... - Cougar 16:06:29 05/30/19 (0)
• Why Hovland capacitor fell of the favor ? - Wojciech 12:57:57 05/29/19 (8)
  • RE: Why Hovland capacitor fell of the favor ? - 91derlust 22:28:39 05/31/19 (0)
  • RE: Why Hovland capacitor fell of the favor ? - twystd 12:28:29 05/30/19 (0)
  • Flavor of the month syndrome - garymuffley 20:46:51 05/29/19 (1)
    • RE: Flavor of the month syndrome - TRUFI 09:09:33 05/30/19 (0)
  • Ummmm, cause they have been not made in 10 years? - Chip647 13:03:40 05/29/19 (3)
    • RE: Ummmm, cause they have been not made in 10 years? - TRUFI 16:45:33 05/29/19 (0)
    • Nah , I have not read a single post - Wojciech 13:56:43 05/29/19 (1)
      • RE: Nah , I have not read a single post - tube wrangler 20:24:41 05/29/19 (0)
• 2a3 with tango output transformer - tangotango 08:14:25 05/28/19 (2)
  • RE: 2a3 with tango output transformer - Caucasian Blackplate 08:38:37 05/28/19 (1)
    • RE: 2a3 with tango output transformer - tangotango 00:53:40 06/01/19 (0)
• 27-71a design - vinnie2 06:02:19 05/24/19 (21)
  • RE: chokes ... on sale now - deathtube 667 14:07:33 05/28/19 (2)
    • RE: chokes ... on sale now - 91derlust 19:20:41 05/28/19 (1)
      • RE: chokes ... on sale now - dave slagle 05:44:05 05/29/19 (0)
  • update and another question...... - vinnie2 11:37:10 05/28/19 (2)
    • RE: update and another question...... - Tre' 13:47:14 05/28/19 (1)
      • RE: update and another question...... - vinnie2 16:29:49 05/28/19 (0)
  • Well Duh!!! - vinnie2 06:31:24 05/28/19 (5)
    • RE: Well Duh!!! - Tre' 06:35:30 05/28/19 (4)
      • RE: Well Duh!!! - vinnie2 06:44:56 05/28/19 (3)
        • RE: Well Duh!!! - Tre' 06:51:20 05/28/19 (2)
          • RE: Well Duh!!! - vinnie2 09:17:07 05/28/19 (1)
            • RE: Well Duh!!! - Tre' 13:11:46 05/28/19 (0)
  • RE: 27-71a design - Paul Joppa 11:29:37 05/24/19 (2)
    • RE: 27-71a design - PakProtector 05:30:09 05/26/19 (0)
    • RE: 27-71a design - vinnie2 18:06:43 05/24/19 (0)
  • RE: 27-71a design - Caucasian Blackplate 08:59:49 05/24/19 (1)
    • RE: 27-71a design - vinnie2 18:05:19 05/24/19 (0)
  • RE: 27-71a design - elblanco 06:20:20 05/24/19 (3)
    • RE: 27-71a design - vinnie2 08:14:32 05/24/19 (2)
      • RE: 27-71a design - Tre' 17:08:46 05/28/19 (1)
        • RE: 27-71a design - vinnie2 18:38:44 05/28/19 (0)
• New VCap Oil/ODAM - Jallen 17:09:16 05/23/19 (15)
  • RE: New VCap Oil/ODAM - Cory M. 17:54:06 05/27/19 (0)
  • We auditioned some as part of the Beta program - Ralph 12:43:30 05/24/19 (10)
    • RE: We auditioned some as part of the Beta program - Salectric 13:25:51 05/26/19 (9)
      • We didn't do a comparison - Ralph 10:56:37 05/28/19 (2)
        • Thanks - Salectric 13:09:00 05/28/19 (1)
          • Sure- and same here. - Ralph 14:27:40 05/28/19 (0)
      • RE: We auditioned some as part of the Beta program - lokie 08:44:46 05/27/19 (0)
      • CuTF V-Cap...no more half stepping... add oil to THOSE. Siemens added oil to poly 30 years ago.~nT - Cleantimestream 05:46:25 05/27/19 (4)
        • RE: CuTF V-Cap...no more half stepping... add oil to THOSE. Siemens added oil to poly 30 years ago.~nT - 91derlust 19:23:06 05/28/19 (3)
          • RE: CuTF V-Cap...no more half stepping... add oil to THOSE. Siemens added oil to poly 30 years ago.~nT - Cleantimestream 00:39:35 05/29/19 (2)
            • Question - Lew 21:31:06 06/02/19 (1)
              • RE: Question - Cleantimestream 13:26:28 06/04/19 (0)
  • RE: New VCap Oil/ODAM - FenderLover 23:38:41 05/23/19 (2)
    • More expensive than TfTf, per microfarad - Lew 19:07:40 06/03/19 (0)
    • RE: New VCap Oil/ODAM - Jonesy 10:29:20 05/24/19 (0)
• 10 uF film caps - Jim D. 08:40:37 05/23/19 (9)
  • RE: 10 uF film caps - fred76 08:14:14 05/27/19 (0)
  • RE: 10 uF film caps - pcuser 13:05:10 05/25/19 (2)
    • RE: 10 uF film caps - Oface 15:52:51 05/26/19 (1)
      • RE: 10 uF film caps - pcuser 11:08:47 05/28/19 (0)
  • RE: 10 uF film caps - Blackdog 16:32:26 05/23/19 (1)
    • RE: 10 uF film caps - FenderLover 23:44:13 05/23/19 (0)
  • RE: 10 uF film caps - FlaCharlie 12:40:13 05/23/19 (0)
  • Wima DC Links - 1973shovel 09:36:43 05/23/19 (1)
    • RE: Wima DC Links .....Ditto (nt) ! - drummerwill 12:08:32 05/23/19 (0)
• Crowhurst strikes again - elblanco 11:18:43 05/22/19 (0)
• Dynaco SCA-35 Revisited - 1973shovel 10:34:21 05/22/19 (25)
  • RE: Dynaco SCA-35 Revisited - 6bq5 16:19:07 05/23/19 (0)
  • RE: Dynaco SCA-35 Revisited - Caucasian Blackplate 12:06:27 05/22/19 (20)
    • Ceramic Dielectric in the Signal Path - Eli Duttman 14:38:21 05/22/19 (17)
      • RE: Ceramic Dielectric in the Signal Path - Cleantimestream 00:59:17 05/25/19 (5)
        • Just so I'm clear - 1973shovel 09:26:34 05/25/19 (4)
          • Both... yes you can drop a 7643 right in place of a 6BL8, it IS a better tube... - Cleantimestream 12:07:26 05/25/19 (3)
            • Thank you - 1973shovel 13:23:30 05/25/19 (2)
              • RE: Thank you - Eli Duttman 18:48:10 05/25/19 (1)
                • Yes - 1973shovel 22:39:22 05/25/19 (0)
      • FYI, $0.63 Part - Eli Duttman 14:53:10 05/22/19 (10)
        • Ceramic caps are highly non-linear - Triode_Kingdom 08:25:08 05/23/19 (9)
          • NPO ceramics - garymuffley 13:08:10 05/23/19 (1)
            • RE: NPO ceramics - Triode_Kingdom 14:51:29 05/24/19 (0)
          • Magnavox and Motorola sure did! - gusser 12:26:20 05/23/19 (0)
          • For only a dime more - 1973shovel 09:57:35 05/23/19 (5)
            • RE: For only a dime more - Eli Duttman 19:44:07 05/23/19 (4)
              • Contempt prior to investigation - 1973shovel 06:47:09 05/24/19 (2)
                • RE: Contempt prior to investigation - Eli Duttman 17:23:15 05/26/19 (1)
                  • I like that they're film and foil - 1973shovel 06:12:44 05/27/19 (0)
              • RE: For only a dime more - altecboy 02:07:02 05/24/19 (0)
    • Yes, no ceramics here (nt) - gusser 14:08:17 05/22/19 (0)
    • Thanks - 1973shovel 13:51:40 05/22/19 (0)
  • He's right on! - gusser 10:59:34 05/22/19 (2)
    • Just for the record... - Steve O 12:05:28 05/22/19 (1)
      • You are correct - 1973shovel 12:19:19 05/22/19 (0)
• audio transformer book - elblanco 05:09:40 05/22/19 (7)
  • RE: audio transformer book - Mr_Steady 05:25:45 05/22/19 (6)
    • okay, this is hilarious - elblanco 06:38:42 05/22/19 (1)
      • RE: okay, this is hilarious - TRUFI 16:38:52 05/24/19 (0)
    • Holy crap, wait a minute - elblanco 05:40:48 05/22/19 (0)
    • I was being facetious - elblanco 05:32:55 05/22/19 (2)
      • RE: I was being facetious - Mr_Steady 07:31:50 05/22/19 (1)
        • RE: I was being facetious - Tre' 13:48:26 05/29/19 (0)
• I am not sure about my Fisher 800c bias circuit results - DAK 13:50:21 05/21/19 (7)
  • After pulling the 4 ax7s the bias voltage came up.. - DAK 13:08:47 05/22/19 (3)
    • RE: After pulling the 4 ax7s the bias voltage came up.. - Eli Duttman 21:03:27 05/22/19 (0)
    • What is the bias supply voltage - FenderLover 16:19:03 05/22/19 (1)
      • RE: What is the bias supply voltage - DAK 17:17:43 05/22/19 (0)
  • RE: I am not sure about my Fisher 800c bias circuit results - Triode_Kingdom 18:21:41 05/21/19 (0)
  • RE: I am not sure about my Fisher 800c bias circuit results - Caucasian Blackplate 16:12:02 05/21/19 (0)
  • Prolly. - FenderLover 14:11:12 05/21/19 (0)
• Ping Eli - El Cheapo - Triode_Kingdom 18:17:53 05/20/19 (3)
  • RE: Ping Eli - El Cheapo - Eli Duttman 19:43:34 05/20/19 (2)
    • RE: Ping Eli - El Cheapo - Triode_Kingdom 21:48:46 05/20/19 (1)
      • RE: Ping Eli - El Cheapo - jyourison 12:46:44 05/21/19 (0)
• Electraprint DRD 300B - Tubenstein 19:00:37 05/17/19 (33)
  • RE: Electraprint DRD 300B - Caucasian Blackplate 08:41:40 05/20/19 (31)
    • RE: Electraprint DRD 300B - 91derlust 16:23:15 05/20/19 (0)
    • RE: Electraprint DRD 300B - dave slagle 14:05:46 05/20/19 (29)
      • True for small signals, not for max power - Paul Joppa 17:14:02 05/20/19 (26)
        • RE: True for small signals, not for max power - dave slagle 07:47:21 05/21/19 (18)
          • A reference! - Paul Joppa 11:22:09 05/22/19 (3)
            • RE: A reference! - dave slagle 12:00:38 05/22/19 (1)
              • RE: A reference! - Paul Joppa 16:59:58 05/22/19 (0)
            • it addresses all you guys' concerns -nt - elblanco 11:23:54 05/22/19 (0)
          • RE: True for small signals, not for max power - Paul Joppa 12:19:41 05/21/19 (13)
            • RE: True for small signals, not for max power - dave slagle 15:13:20 05/21/19 (12)
              • what is the watts rating of 3k xformer in your sim? -nt - elblanco 15:37:29 05/22/19 (1)
                • RE: what is the watts rating of 3k xformer in your sim? -nt - dave slagle 08:46:48 05/23/19 (0)
              • RE: True for small signals, not for max power - Tre' 17:50:23 05/21/19 (9)
                • RE: True for small signals, not for max power - dave slagle 18:09:55 05/21/19 (8)
                  • RE: True for small signals, not for max power - Tre' 19:03:41 05/21/19 (7)
                    • RE: True for small signals, not for max power - dave slagle 05:09:56 05/22/19 (6)
                      • RE: True for small signals, not for max power - Tre' 07:09:32 05/22/19 (5)
                        • RE: True for small signals, not for max power - dave slagle 07:50:16 05/22/19 (4)
                          • RE: True for small signals, not for max power - Tre' 12:01:01 05/22/19 (3)
                            • RE: True for small signals, not for max power - dave slagle 12:34:18 05/22/19 (2)
                              • That explains a LOT... thank You Dave~nT - Cleantimestream 14:41:26 05/25/19 (0)
                              • RE: True for small signals, not for max power - Tre' 15:10:12 05/22/19 (0)
        • so lower the Rp by running PSE might be a good trick -nt - elblanco 17:31:14 05/20/19 (6)
          • yes and no - Paul Joppa 20:44:30 05/20/19 (5)
            • RE: yes and no - dave slagle 08:54:46 05/21/19 (4)
              • RE: yes and no - Tre' 09:57:40 05/21/19 (3)
                • Have you seen the article by voltsec..... - Tre' 12:22:59 05/21/19 (2)
                  • RE: Have you seen the article by voltsec..... - dave slagle 14:21:59 05/21/19 (1)
                    • Thanks for the info. (nt) - Tre' 16:43:13 05/21/19 (0)
      • RE: Electraprint DRD 300B - 91derlust 16:35:35 05/20/19 (1)
        • RE: Electraprint DRD 300B - dave slagle 09:24:01 05/21/19 (0)
  • RE: Electraprint DRD 300B - Eli Duttman 00:19:13 05/18/19 (0)
• DAK, you get that bias supply to behave? (n/t) - FenderLover 12:32:33 05/17/19 (2)
  • No not yet - DAK 10:46:37 05/18/19 (1)
    • RE: No not yet - Caucasian Blackplate 08:43:11 05/20/19 (0)
• Op Amps without internal capacitors? - Lee of Omaha 10:16:47 05/14/19 (2)
  • ?? Do you mean coupling capacitors or something else ?? - Ralph 11:37:07 05/14/19 (1)
    • Some OP amps have internal freq comp caps... - Steve O 12:07:17 05/14/19 (0)
• Why is my first cap blowing up? - DAK 09:18:54 05/14/19 (18)
  • RE: Why is my first cap blowing up? - FlaCharlie 09:23:56 05/22/19 (0)
  • RE: Why is my first cap blowing up? - Tre' 09:42:18 05/14/19 (16)
    • I need to recheck the original schematic. - DAK 10:54:58 05/14/19 (15)
      • This is why it's a good idea to take "before" photos. - FenderLover 01:21:37 05/15/19 (14)
        • Not a big deal - DAK 09:05:15 05/15/19 (1)
          • Okay, good luck! - FenderLover 18:17:01 05/15/19 (0)
        • Fender - that looks like a Bassman n.t. - Story 03:24:13 05/15/19 (11)
          • Brownface Pro with JBL D130F - FenderLover 05:57:03 05/15/19 (10)
            • Oh I bet that sounds sweet! - Cougar 10:12:53 05/18/19 (0)
            • RE: Brownface Pro with JBL D130F - Story 06:47:03 05/15/19 (8)
              • Thanks! It took years... really, decades to collect - FenderLover 07:05:43 05/15/19 (7)
                • RE: Thanks! It took years... really, decades to collect - Story 09:36:05 05/15/19 (6)
                  • 1964 Princeton Reverb - FenderLover 08:17:01 05/16/19 (5)
                    • Lots of, what, flea markets,ebay, craigslist? - Story 04:08:25 05/22/19 (4)
                      • No Trainwreck - FenderLover 07:11:37 05/22/19 (3)
                        • RE: No Trainwreck - Story 08:23:28 05/22/19 (2)
                          • No... - FenderLover 09:50:09 05/22/19 (1)
                            • crank it up - Story 04:45:22 05/24/19 (0)
• DRD 300B power supply - Tubenstein 08:31:39 05/13/19 (10)
  • RE: DRD 300B power supply - Tubenstein 01:11:15 05/15/19 (4)
    • RE: DRD 300B power supply - Caucasian Blackplate 15:42:32 05/15/19 (0)
    • Can you find that power transformer? - FenderLover 06:06:08 05/15/19 (2)
      • RE: Can you find that power transformer? - Tre' 17:56:24 05/16/19 (1)
        • RE: Can you find that power transformer? - Tubenstein 23:35:45 05/17/19 (0)
  • RE: DRD 300B power supply - Caucasian Blackplate 19:24:33 05/13/19 (0)
  • RE: DRD 300B power supply - Eli Duttman 19:14:54 05/13/19 (1)
    • RE: DRD 300B power supply - tubejack 00:24:35 05/15/19 (0)
  • 550VDC from a GZ34/5AR4 - FenderLover 16:39:16 05/13/19 (1)
    • RE: 550VDC from a GZ34/5AR4 - Chip647 17:02:55 05/13/19 (0)
• Eli, a little help please - Uncle Mike 03:48:26 05/13/19 (29)
  • He posted this big gif of El Cheapo in December here - Chip647 04:45:32 05/13/19 (28)
    • What's the purpose of the two UF4007s in the B+ ? (nt) - Triode_Kingdom 20:23:15 05/13/19 (26)
      • Maybe this. - FenderLover 20:46:47 05/13/19 (25)
        • No, that's the B- supply - Triode_Kingdom 20:56:04 05/13/19 (24)
          • I'll venture a WAG, until Eli comes onboard - FenderLover 07:38:02 05/14/19 (23)
            • Those diodes can't do that - Triode_Kingdom 08:02:11 05/14/19 (22)
              • RE: Those diodes can't do that - Eli Duttman 09:33:23 05/14/19 (21)
                • RE: Those diodes can't do that - Tre' 18:22:11 05/16/19 (0)
                • RE: Those diodes can't do that - Triode_Kingdom 09:56:31 05/14/19 (19)
                  • Blocks back-flow of AC? (n/t) - FenderLover 13:37:35 05/14/19 (18)
                    • RE: Blocks back-flow of AC? (n/t) - Eli Duttman 14:21:30 05/14/19 (17)
                      • Sorry, but they provide no benefit whatsoever - Triode_Kingdom 18:17:21 05/14/19 (0)
                      • I did the same thing. - gusser 14:31:47 05/14/19 (15)
                        • No, you didn't - Triode_Kingdom 18:20:56 05/14/19 (13)
                          • RE: No, you didn't - Eli Duttman 18:58:14 05/14/19 (12)
                            • RE: No, you didn't - Triode_Kingdom 20:05:57 05/15/19 (11)
                              • RE: No, you didn't - Eli Duttman 22:30:32 05/15/19 (10)
                                • It's Wishful thinking - Triode_Kingdom 11:26:13 05/16/19 (9)
                                  • RE: It's Wishful thinking - Eli Duttman 18:30:34 05/16/19 (8)
                                    • RE: It's Wishful thinking - Triode_Kingdom 19:02:46 05/16/19 (0)
                                    • RE: It's Wishful thinking - Tre' 18:58:32 05/16/19 (6)
                                      • RE: It's Wishful thinking - Eli Duttman 00:30:47 05/17/19 (5)
                                        • RE: It's Wishful thinking - Stephen R 05:29:46 05/17/19 (4)
                                          • RE: It's Wishful thinking - Jim McShane 14:12:50 05/17/19 (1)
                                            • LOL - Triode_Kingdom 15:54:12 05/17/19 (0)
                                          • RE: It's Wishful thinking - cpotl 13:53:29 05/17/19 (1)
                                            • B+ Sag - Triode_Kingdom 16:25:12 05/17/19 (0)
                        • Thanks! Very interesting! (n/t) - FenderLover 14:35:55 05/14/19 (0)
    • Thanks...nt - Uncle Mike 15:01:00 05/13/19 (0)
• Negative bias voltage supply for Fisher 800C - DAK 16:25:19 05/09/19 (12)
  • RE: Negative bias voltage supply for Fisher 800C - Caucasian Blackplate 10:15:40 05/10/19 (0)
  • Here's a schemo of that part of the circuit. - FenderLover 17:46:23 05/09/19 (10)
    • RE: Here's a schemo of that part of the circuit. - Jim McShane 11:37:10 05/11/19 (4)
      • It has the same values but i need to check my serial number... - DAK 22:55:52 05/12/19 (0)
      • Jim, think the bias supply portion is the same. - FenderLover 04:11:18 05/12/19 (2)
        • RE: Jim, think the bias supply portion is the same. - Jim McShane 11:08:25 05/13/19 (1)
          • Yeah, I should have said "similar" - FenderLover 15:45:33 05/13/19 (0)
    • Thanks for the schematic! - DAK 18:44:24 05/09/19 (4)
      • RE: Thanks for the schematic! - Triode_Kingdom 15:51:12 05/10/19 (3)
        • Good point! - DAK 20:06:16 05/10/19 (2)
          • RE: Good point! - FenderLover 22:23:53 05/10/19 (1)
            • I will be using stock values....nt - DAK 10:20:08 05/11/19 (0)
• Construction of wood box - 6AS7_6SN7 02:47:41 05/09/19 (15)
  • Progress of electrical wiring - 6AS7_6SN7 03:06:02 05/30/19 (2)
    • RE: Progress of electrical wiring - 6AS7_6SN7 08:54:36 06/04/19 (0)
    • Inside the closed box - 6AS7_6SN7 05:08:06 05/30/19 (0)
  • Update of work - 6AS7_6SN7 03:33:54 05/21/19 (7)
    • RE: Update of work - 6AS7_6SN7 10:30:53 06/04/19 (2)
      • RE: Update of work - Mr_Steady 12:10:51 06/04/19 (1)
        • RE: Update of work - 6AS7_6SN7 13:20:18 06/04/19 (0)
    • HT OK - 6AS7_6SN7 01:59:09 05/22/19 (3)
      • RE: HT OK - 6AS7_6SN7 09:23:24 06/06/19 (2)
        • RE: HT OK - 6AS7_6SN7 13:16:03 06/09/19 (1)
          • Inside the box - 6AS7_6SN7 13:20:29 06/09/19 (0)
  • RE: Construction of wood box - 6AS7_6SN7 10:07:50 05/14/19 (0)
  • RE: Elegant use of contrasting materials! Details? (nt) - kitch29 09:09:36 05/11/19 (1)
    • RE: Elegant use of contrasting materials! Details? (nt) - 6AS7_6SN7 09:29:23 05/13/19 (0)
  • RE: Construction of wood box - vinnie2 07:31:10 05/09/19 (0)
• voltage feedback and it's "subsidiary" current feedback - buffy 10:48:02 05/06/19 (5)
  • "how would I calculate the difference needed?" - Chip647 04:40:00 05/08/19 (4)
    • RE: "how would I calculate the difference needed?" - buffy 08:42:53 05/09/19 (3)
      • RE: "how would I calculate the difference needed?" - Caucasian Blackplate 09:11:57 05/09/19 (2)
        • RE: "how would I calculate the difference needed?" - buffy 09:25:24 05/09/19 (1)
          • RE: "how would I calculate the difference needed?" - Caucasian Blackplate 09:26:50 05/09/19 (0)
• Littelfuse series 218 slo-blo fuse - popsy 19:01:07 05/03/19 (15)
  • Had to order a lot of 5 of these from Amazon as... - popsy 20:15:57 05/12/19 (0)
  • Sheesh!! Forgot to mention i need a 250ma one... - popsy 18:34:55 05/06/19 (5)
    • As stated in replies below... - 1973shovel 07:33:46 05/07/19 (4)
      • yeah, but paying $8 for one fuse w/shipping is a drag :) - popsy 18:24:08 05/07/19 (3)
        • RE: yeah, but paying $8 for one fuse w/shipping is a drag :) - TRUFI 17:37:11 05/09/19 (1)
          • Thats true but if i blowing that many fuses there be a problem with the amp :) - popsy 18:03:56 05/09/19 (0)
        • Did you read FlaCharlie's reply? "Free shipping" - 1973shovel 07:53:51 05/08/19 (0)
  • Repair the fuse! (LOL) - gusser 11:49:58 05/06/19 (0)
  • RE: Littelfuse series 218 slo-blo fuse - TRUFI 08:46:32 05/06/19 (0)
  • RE: Littelfuse series 218 slo-blo fuse - FenderLover 22:24:49 05/05/19 (1)
    • Datasheet link - FenderLover 01:08:38 05/06/19 (0)
  • RE: Littelfuse series 218 slo-blo fuse - FlaCharlie 07:59:20 05/05/19 (0)
  • RE: Littelfuse series 218 slo-blo fuse - Story 03:42:25 05/05/19 (0)
  • Also try auto parts stores (nt) - gusser 17:04:54 05/04/19 (0)
  • RE: Littelfuse series 218 slo-blo fuse - Caucasian Blackplate 22:12:26 05/03/19 (0)
• nice little srpp se 45 amp from JE Labs - vinnie2 13:20:58 05/03/19 (37)
  • RE: nice little srpp se 45 amp from JE Labs - deafbykhorns 15:56:23 05/05/19 (2)
    • RE: my first scratch built, too - bean 07:42:20 05/06/19 (0)
    • RE: nice little srpp se 45 amp from JE Labs - vinnie2 17:45:07 05/05/19 (0)
  • talk about coming full circle..... - vinnie2 13:07:16 05/05/19 (0)
  • Very Interesting....... - vinnie2 07:07:06 05/05/19 (7)
    • I think it was the guy as the German Solder that would say that. Nt. - Cougar 09:17:17 05/05/19 (6)
      • The quote goes:"Very Interesting... But Stupid!" - Chip647 12:59:36 05/05/19 (1)
        • RE: The quote goes:"Very Interesting... But Stupid!" - vinnie2 13:12:06 05/05/19 (0)
      • RE: I think it was the guy as the German Solder that would say that. Nt. - vinnie2 11:45:36 05/05/19 (3)
        • yes, he did!. Nt. - Cougar 14:31:48 05/05/19 (2)
          • Arte Johnson - FenderLover 22:30:05 05/05/19 (1)
            • RE: Arte Johnson - vinnie2 04:46:32 05/06/19 (0)
  • That's a totem pole, not SRPP. (nt) - Triode_Kingdom 22:01:00 05/03/19 (24)
    • according to this they are the same thing.... - vinnie2 03:22:48 05/04/19 (23)
      • why don't you build something along those lines - elblanco 07:52:34 05/04/19 (8)
        • RE: why don't you build something along those lines - vinnie2 09:42:36 05/04/19 (0)
        • Other than one being for 2A3 and the other for a 45 - Chip647 08:53:43 05/04/19 (6)
          • Agreed, but a circuit optimized to drive a 2A3 will sound Lifeless driving a 45~nT - Cleantimestream 04:44:49 05/07/19 (4)
            • RE: Agreed, but a circuit optimized to drive a 2A3 will sound Lifeless driving a 45~nT - vinnie2 08:56:41 05/07/19 (3)
              • RE: Agreed, but a circuit optimized to drive a 2A3 will sound Lifeless driving a 45~nT - Cleantimestream 09:35:14 05/07/19 (2)
                • so... - PakProtector 08:34:16 05/20/19 (0)
                • RE: Agreed, but a circuit optimized to drive a 2A3 will sound Lifeless driving a 45~nT - vinnie2 10:40:16 05/07/19 (0)
          • RE: Other than one being for 2A3 and the other for a 45 - vinnie2 09:43:45 05/04/19 (0)
      • For that circuit to act like a SRPP it needs a different load imp. - Tre' 07:32:40 05/04/19 (3)
        • RE: For that circuit to act like a SRPP it needs a different load imp. - cpotl 10:13:27 05/04/19 (2)
          • RE: For that circuit to act like a SRPP it needs a different load imp. - Lew 07:52:39 05/08/19 (0)
          • Good info, thanks. (nt) - Tre' 16:22:43 05/04/19 (0)
      • "RE: according to this they are the same thing...." That is not what that article says. - Chip647 07:17:57 05/04/19 (9)
        • RE: "RE: according to this they are the same thing...." That is not what that article says. - vinnie2 09:46:41 05/04/19 (8)
          • What ever the heck it is called, it is a good sounding little amp - Story 03:45:28 05/05/19 (1)
            • RE: What ever the heck it is called, it is a good sounding little amp - vinnie2 04:57:10 05/05/19 (0)
          • RE: "RE: according to this they are the same thing...." That is not what that article says. - Triode_Kingdom 22:45:48 05/04/19 (5)
            • RE: "RE: according to this they are the same thing...." That is not what that article says. - deafbykhorns 16:31:13 05/05/19 (0)
            • RE: "RE: according to this they are the same thing...." That is not what that article says. - vinnie2 02:51:39 05/05/19 (3)
              • RE: "RE: according to this they are the same thing...." That is not what that article says. - Triode_Kingdom 19:28:31 05/05/19 (2)
                • RE: "RE: according to this they are the same thing...." That is not what that article says. - vinnie2 08:26:59 05/06/19 (1)
                  • RE: "RE: according to this they are the same thing...." That is not what that article says. - Triode_Kingdom 20:02:17 05/06/19 (0)
• High Power Push Pull Amp using Type 27 Driver Tubes - Mark Blom 07:46:14 05/03/19 (7)
  • no Problem...LOL - PakProtector 08:37:36 05/20/19 (0)
  • RE: High Power Push Pull Amp using Type 27 Driver Tubes - Caucasian Blackplate 22:09:37 05/03/19 (2)
    • RE: High Power Push Pull Amp using Type 27 Driver Tubes - Mark Blom 08:42:08 05/04/19 (1)
      • RE: High Power Push Pull Amp using Type 27 Driver Tubes - Caucasian Blackplate 08:43:45 05/04/19 (0)
  • RE: High Power Push Pull Amp using Type 27 Driver Tubes - Chip647 10:18:50 05/03/19 (2)
    • RE: High Power Push Pull Amp using Type 27 Driver Tubes - Eli Duttman 10:53:14 05/03/19 (1)
      • RE: High Power Push Pull Amp using Type 27 Driver Tubes - Mark Blom 20:41:51 05/03/19 (0)
• 6sn7 tubes.... - vinnie2 03:08:24 05/01/19 (24)
  • RE: 6sn7 tubes.... - TRUFI 08:49:03 05/06/19 (0)
  • RE: 6sn7 tubes.... - bean 19:13:53 05/02/19 (2)
    • RE: 6sn7 tubes.... - Scholl 16:57:59 05/03/19 (0)
    • RE: 6sn7 tubes.... - vinnie2 03:07:18 05/03/19 (0)
  • Raytheon 6SN7WGT - FenderLover 18:38:48 05/02/19 (1)
    • RE: Raytheon 6SN7WGT - vinnie2 03:03:10 05/03/19 (0)
  • RE: 6sn7 tubes.... - Frihed89 01:13:22 05/02/19 (1)
    • RE: 6sn7 tubes.... - vinnie2 10:48:04 05/02/19 (0)
  • RE: 6sn7 tubes.... - deafbykhorns 17:06:07 05/01/19 (1)
    • RE: 6sn7 tubes.... - vinnie2 10:44:42 05/02/19 (0)
  • RE: 6sn7 tubes.... - JKT 13:11:53 05/01/19 (1)
    • RE: 6sn7 tubes.... - vinnie2 10:43:25 05/02/19 (0)
  • Used tubes are an unknown - DAK 10:57:42 05/01/19 (1)
    • RE: Used tubes are an unknown - vinnie2 10:41:34 05/02/19 (0)
  • One of the most exhaustive tube questions ever: Please use Google - Chip647 10:07:25 05/01/19 (1)
    • RE: One of the most exhaustive tube questions ever: Please use Google - vinnie2 10:40:13 05/02/19 (0)
  • RE: 6sn7 tubes.... - Lew 08:53:11 05/01/19 (1)
    • RE: 6sn7 tubes.... - vinnie2 10:38:41 05/02/19 (0)
  • RE: 6sn7 tubes... how will you test tubes? - deathtube 667 05:56:23 05/01/19 (5)
    • RE: 6sn7 tubes... how will you test tubes? - vinnie2 10:35:06 05/02/19 (4)
      • RE: 6sn7 tubes... how will you test tubes? - deathtube 667 10:56:50 05/03/19 (3)
        • RE: 6sn7 tubes... how will you test tubes? - vinnie2 11:03:43 05/03/19 (2)
          • RE: 6sn7 tubes... how will you test tubes? - deathtube 667 11:21:01 05/03/19 (1)
            • RE: 6sn7 tubes... how will you test tubes? - vinnie2 13:56:01 05/03/19 (0)
• Different tube in Ultrapath - Tube747 22:15:01 04/29/19 (7)
  • RE: Different tube in Ultrapath - Paul Joppa 00:02:13 04/30/19 (1)
    • RE: Different tube in Ultrapath - Tube747 02:41:22 04/30/19 (0)
  • Sorry here is the circuit - Tube747 22:15:59 04/29/19 (4)
    • RE: Sorry here is the circuit - dave slagle 04:20:00 04/30/19 (3)
      • Why would that 470uF capacitor be called "Ultrapath"? - Lew 08:43:42 04/30/19 (2)
        • RE: Why would that 470uF capacitor be called "Ultrapath"? - dave slagle 11:17:20 04/30/19 (1)
          • RE: Why would that 470uF capacitor be called "Ultrapath"? - Lew 19:36:52 04/30/19 (0)
• SE KT88 : bold new design - deathtube 667 11:10:27 04/29/19 (135)
  • RE: SE KT88 : bold new design - GEO 17:41:59 05/01/19 (2)
    • RE: SE KT88 : bold new design - deathtube 667 18:23:32 05/01/19 (1)
      • RE: SE KT88 : bold new design - GEO 20:09:56 05/01/19 (0)
  • You have to admire his passion. - DAK 08:52:39 04/30/19 (28)
    • Audio reproduction ought to be about measurable accuracy, no? - Timbo in Oz 01:25:57 05/12/19 (0)
    • If only he was passionate for the truth! (nt) - Triode_Kingdom 11:11:26 04/30/19 (0)
    • RE: You have to admire his passion...agree - deathtube 667 10:21:29 04/30/19 (25)
      • this is unheard of in the - elblanco 14:10:20 04/30/19 (1)
        • LOL - Triode_Kingdom 00:54:34 05/02/19 (0)
      • Troll bait! - gusser 11:12:14 04/30/19 (22)
        • RE: Gusser, you came here willingly ... - deathtube 667 14:03:13 04/30/19 (2)
          • You're not fooling anybody! - gusser 15:59:04 04/30/19 (1)
            • RE: please stop posting on this tread ... - deathtube 667 17:04:29 04/30/19 (0)
        • +1,000,000 nt - Caucasian Blackplate 12:27:44 04/30/19 (0)
        • RE: Troll bait! - cpotl 12:24:22 04/30/19 (17)
          • RE: Troll bait! - Lew 12:48:30 05/01/19 (5)
            • RE: Troll bait! - buffy 10:25:36 05/02/19 (1)
              • RE: Troll bait! - PakProtector 17:48:42 05/02/19 (0)
            • "a site dedicated to gardening." That made me laugh. Thanks. - Tre' 15:59:06 05/01/19 (2)
              • Direct-coupled, low DCR gardening.... - Lew 05:56:58 05/02/19 (1)
                • there should be good ground there... - PakProtector 17:46:29 05/02/19 (0)
          • RE: Troll bait! - gusser 17:43:11 04/30/19 (10)
            • RE: Troll bait! - cpotl 17:00:47 05/01/19 (9)
              • I have ordered a baboon from Amazon Prime-8 -nt- - elblanco 07:18:51 05/06/19 (0)
              • Now and then... George Ohm meets an impediment such as Sir Jeff~nT - Cleantimestream 05:27:48 05/04/19 (0)
              • What?? - Triode_Kingdom 00:58:52 05/02/19 (6)
                • RE: What?? - cpotl 05:14:42 05/02/19 (5)
                  • RE: What?? - Lew 07:51:38 05/11/19 (3)
                    • RE: What?? - cpotl 12:24:18 05/11/19 (2)
                      • RE: What?? - altecboy 10:03:16 05/12/19 (1)
                        • RE: What?? - Tre' 21:04:49 05/20/19 (0)
                  • Sheesh, what a nut job! (nt) - Triode_Kingdom 13:10:09 05/02/19 (0)
  • RE: SE KT88 : bold new design - Caucasian Blackplate 08:41:02 04/30/19 (0)
  • The SE KT88 E-Linear fit that description... - PakProtector 08:13:07 04/30/19 (0)
  • RE: SE KT88 : bold new design Once the full design ... - drummerwill 17:29:31 04/29/19 (96)
    • RE: SE KT88 : bold new design Once the full design ... - deathtube 667 19:24:36 04/29/19 (95)
      • RE: SE KT88 : bold new design Once the full design ... - tube wrangler 12:06:04 05/01/19 (94)
        • RE: voltage offsets ? - deathtube 667 05:16:12 05/02/19 (0)
        • RE: SE KT88 : bold new design Once the full design ... - Tre' 16:06:45 05/01/19 (92)
          • RE: SE KT88 : bold new design Once the full design ... - tube wrangler 13:38:54 05/02/19 (4)
            • Dennis... - FenderLover 18:25:55 05/02/19 (0)
            • "Output tube "linearity" is a factor-- a minor one ..." - Tre' 17:46:50 05/02/19 (0)
            • RE: SE KT88 : bold new design Once the full design ... - GEO 16:35:27 05/02/19 (0)
            • More BS - Tre' 16:07:40 05/02/19 (0)
          • And he is running Pentode to boot! - gusser 17:49:14 05/01/19 (86)
            • RE: And he is running Pentode to boot! - Tre' 18:46:09 05/01/19 (85)
              • RE: And he is running Pentode to boot! - tube wrangler 10:04:19 05/04/19 (84)
                • RE: And he is running Pentode to boot! - Tre' 17:57:35 05/04/19 (83)
                  • RE: And he is running Pentode to boot! - tube wrangler 12:06:24 05/05/19 (82)
                    • RE: engineer around pentode problems ... - deathtube 667 07:19:29 05/07/19 (78)
                      • We did! Over 70 years ago! - gusser 10:17:46 05/07/19 (68)
                        • RE: We did! Over 70 years ago! - tube wrangler 19:59:02 05/07/19 (4)
                          • More useless dreck! - gusser 10:59:01 05/08/19 (0)
                          • RE: removed feedback from ... PP or SE amps? - deathtube 667 09:05:42 05/08/19 (2)
                            • RE: removed feedback from ... PP or SE amps? - tube wrangler 07:49:21 05/09/19 (1)
                              • RE: removed feedback from ... PP or SE amps? - deathtube 667 22:21:11 05/09/19 (0)
                        • RE: We did! Over 70 years ago! - BillWojo 12:54:27 05/07/19 (62)
                          • RE: We did! Over 70 years ago! - PakProtector 15:39:24 05/07/19 (61)
                            • RE: requirements for a tube amp builder ... - deathtube 667 10:35:08 05/08/19 (60)
                              • RE: requirements for a tube amp builder ... - Tre' 09:56:58 05/09/19 (54)
                                • RE: requirements for a tube amp builder ... - PakProtector 04:42:34 05/17/19 (0)
                                • RE: requirements for a tube amp builder ... - tube wrangler 10:27:00 05/10/19 (52)
                                  • Two things Dennis - Tre' 15:02:03 05/10/19 (51)
                                    • RE: Two things Dennis ... calculations & performance - deathtube 667 00:56:58 05/11/19 (49)
                                      • RE: Two things Dennis ... calculations & performance - Tre' 05:26:53 05/11/19 (42)
                                        • RE: Two things Dennis ... calculations & performance - RPMac 06:41:52 05/11/19 (41)
                                          • RE: Two things Dennis ... calculations & performance - tube wrangler 10:05:05 05/11/19 (38)
                                            • Right! - gusser 11:25:51 05/12/19 (3)
                                              • errr..... - PakProtector 06:13:26 05/17/19 (2)
                                                • RE: errr..... - gusser 10:20:33 05/17/19 (1)
                                                  • RE: errr..... - PakProtector 14:09:57 05/17/19 (0)
                                            • RE: Two things Dennis ... calculations & performance - Tre' 13:52:43 05/11/19 (33)
                                              • RE: measure thermal stress ... - deathtube 667 03:31:15 05/12/19 (32)
                                                • You don't need to measure anything! - gusser 11:35:46 05/12/19 (30)
                                                  • RE: You don't need to measure anything! - tube wrangler 11:29:09 05/13/19 (8)
                                                    • Who says the curves are wrong? - gusser 12:25:16 05/13/19 (0)
                                                    • Sales must be slow - GEO 12:17:00 05/13/19 (6)
                                                      • RE: Sales must be slow - GEO 13:09:01 05/13/19 (5)
                                                        • RE: Sales must be slow - tube wrangler 19:17:07 05/13/19 (4)
                                                          • RE: Sales must be slow - GEO 06:56:43 05/14/19 (3)
                                                            • RE: Sales must be slow - tube wrangler 09:26:52 05/14/19 (2)
                                                              • RE: Sales must be slow - GEO 11:55:32 05/14/19 (1)
                                                                • RE: Sales must be slow - tube wrangler 13:41:21 05/14/19 (0)
                                                  • RE: we don't need to measure anything? - deathtube 667 13:12:27 05/12/19 (20)
                                                    • RE: we don't need to measure anything? - Tre' 17:10:53 05/12/19 (19)
                                                      • RE: we don't need to measure anything? - tube wrangler 11:32:08 05/13/19 (16)
                                                        • What Results? - gusser 12:31:16 05/13/19 (15)
                                                          • RE: What Results? - tube wrangler 18:36:36 05/13/19 (14)
                                                            • RE: What Results? - Tre' 09:57:34 05/14/19 (13)
                                                              • Here's mine - Tre' 20:16:20 05/14/19 (12)
                                                                • RE: Here's mine - tube wrangler 18:15:15 05/15/19 (10)
                                                                  • RE: Here's mine - GEO 05:49:34 05/17/19 (4)
                                                                    • RE: Here's mine - tube wrangler 16:19:56 05/17/19 (3)
                                                                      • So much misinformation here! - gusser 10:58:52 05/18/19 (0)
                                                                      • You are showing your true colors - Tre' 07:19:31 05/18/19 (0)
                                                                      • RE: Here's mine - GEO 18:58:30 05/17/19 (0)
                                                                  • RE: Here's mine - Tre' 07:27:28 05/16/19 (2)
                                                                    • RE: Here's mine - tube wrangler 20:03:45 05/16/19 (1)
                                                                      • Yes it is. - Tre' 11:46:07 05/17/19 (0)
                                                                  • sorry, a R2R like the one in the pic will walk all over anything PC - elblanco 22:58:24 05/15/19 (0)
                                                                  • More BS! - gusser 18:39:28 05/15/19 (0)
                                                                • Now that's a pro machine! (nt) - gusser 10:27:04 05/15/19 (0)
                                                      • RE: we don't need to measure anything? - deathtube 667 02:33:11 05/13/19 (1)
                                                        • Exactly. - Tre' 06:30:04 05/13/19 (0)
                                                • RE: measure thermal stress ... - Tre' 06:29:51 05/12/19 (0)
                                          • RE: Two things Dennis ... calculations & performance - GEO 07:27:16 05/11/19 (0)
                                          • RE: Two things Dennis ... calculations & performance - Tre' 07:26:23 05/11/19 (0)
                                      • RE: Two things Dennis ... calculations & performance - cpotl 02:09:01 05/11/19 (5)
                                        • RE: Two things Dennis ... calculations & performance - deathtube 667 07:41:45 05/15/19 (4)
                                          • RE: Two things Dennis ... calculations & performance - tube wrangler 19:58:46 05/16/19 (2)
                                            • RE: we will carry on ... - deathtube 667 02:53:31 05/17/19 (1)
                                              • RE: we will carry on ... - tube wrangler 09:09:50 05/17/19 (0)
                                          • RE: Two things Dennis ... calculations & performance - cpotl 08:40:05 05/15/19 (0)
                                    • one more thing - GEO 16:24:37 05/10/19 (0)
                              • RE: requirements for a tube amp builder ... - tube wrangler 08:01:20 05/09/19 (1)
                                • RE: requirements for a tube amp builder ... - Tre' 09:50:20 05/09/19 (0)
                              • So you are basically saying... - gusser 11:51:55 05/08/19 (2)
                                • RE: So you are basically saying... - Tre' 10:09:07 05/09/19 (0)
                                • RE: So you are basically saying... - GEO 05:10:42 05/09/19 (0)
                      • RE: engineer around pentode problems ... - tube wrangler 08:20:46 05/07/19 (8)
                        • RE: engineer around pentode problems ... - Tre' 06:39:39 05/09/19 (7)
                          • RE: engineer around pentode problems ... - tube wrangler 08:11:39 05/09/19 (6)
                            • RE: engineer around pentode problems ... - GEO 18:44:22 05/09/19 (0)
                            • RE: engineer around pentode problems ... - Tre' 09:36:27 05/09/19 (4)
                              • RE: engineer around pentode problems ... - gusser 13:15:47 05/09/19 (3)
                                • RE: engineer around pentode problems ... - Tre' 15:06:56 05/09/19 (1)
                                  • RE: engineer around pentode problems ... - GEO 05:57:22 05/10/19 (0)
                                • RE: engineer around pentode problems ... - Tre' 14:54:05 05/09/19 (0)
                    • RE: And he is running Pentode to boot! - Tre' 06:45:47 05/07/19 (2)
                      • RE: And he is running Pentode to boot! - tube wrangler 08:55:08 05/07/19 (1)
                        • RE: And he is running Pentode to boot! - Tre' 06:34:19 05/09/19 (0)
  • "This will certainly be an interesting new SE KT88 amplifier." Why? - Chip647 16:05:15 04/29/19 (0)
  • Pure BS... - PakProtector 14:16:13 04/29/19 (1)
    • And Dr. LowMu uses a tube with mu of 100....nt - Bas Horneman 06:25:07 04/30/19 (0)
  • Can't get through it, too much narcissistic BS (nt) - Triode_Kingdom 13:01:40 04/29/19 (0)

Threads started on or before 4/30/07 are archived Here.
Threads started on or before 4/15/07 are archived Here.
Threads started on or before 3/31/07 are archived Here.
Threads started on or before 3/15/07 are archived Here.
Threads started on or before 2/28/07 are archived Here.

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