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Forum: Theory & Design

  1. Cathode follower without elevated heater voltage

    Started by Dark Mavis, 03-03-2019 02:26 PM
    3 Pages
    1 2 3
    • Replies: 91
    • Views: 1,563
    Today, 09:37 PM Go to last post
    • Replies: 7
    • Views: 137
    03-24-2019, 11:43 AM Go to last post
  2. Single vs Dual Supply Voltage Amplifiers

    Started by TomCarlos, 03-15-2019 03:36 PM
    • Replies: 21
    • Views: 478
    03-24-2019, 05:48 AM Go to last post
  3. EL34 cathode biased question

    Started by catalin gramada, 03-07-2019 10:02 PM
    • Replies: 9
    • Views: 440
    03-23-2019, 12:29 AM Go to last post
    • Replies: 11
    • Views: 192
    03-22-2019, 09:36 PM Go to last post
  4. Neater Wiring - Cable Lacing

    Started by R.G., 03-04-2019 06:41 PM
    • Replies: 17
    • Views: 688
    03-17-2019, 05:53 AM Go to last post
  5. Reverb Tanks, how does mounting style matter?

    Started by Randall, 03-15-2019 02:15 AM
    • Replies: 7
    • Views: 209
    03-15-2019, 06:02 PM Go to last post
  6. Opamp for fx loop

    Started by chunkitup, 10-22-2013 12:57 AM
    2 Pages
    1 2
    • Replies: 44
    • Views: 2,720
    03-09-2019, 01:23 AM Go to last post
  7. Some stand alone reverb unit ideas...

    Started by Steelwitch, 03-05-2019 11:47 PM
    • Replies: 1
    • Views: 205
    03-06-2019, 03:25 AM Go to last post
  8. Tone stack calculator

    Started by catalin gramada, 03-03-2019 08:28 PM
    • Replies: 2
    • Views: 216
    03-03-2019, 10:43 PM Go to last post
  9. Fender Auto bias circuit

    Started by Randall, 02-26-2019 08:42 PM
    • Replies: 7
    • Views: 415
    03-02-2019, 05:59 PM Go to last post
  10. 70s Bassman 100 bias mod question

    Started by Randall, 03-02-2019 03:00 AM
    • Replies: 3
    • Views: 237
    03-02-2019, 07:25 AM Go to last post
  11. George Benson Fender Amps

    Started by TomCarlos, 02-26-2019 01:46 AM
    • Replies: 16
    • Views: 594
    02-28-2019, 04:22 PM Go to last post
  12. LTPI balance

    Started by uneumann, 02-22-2019 11:59 PM
    2 Pages
    1 2
    • Replies: 56
    • Views: 1,228
    02-27-2019, 11:21 PM Go to last post
    • Replies: 5
    • Views: 374
    02-24-2019, 12:49 AM Go to last post
  13. MOV's AND flyback diodes?

    Started by Gaz, 02-20-2019 09:03 PM
    • Replies: 17
    • Views: 616
    02-23-2019, 11:35 PM Go to last post
  14. How much extra capacitance can I use?

    Started by Axtman, 02-20-2019 10:25 PM
    • Replies: 6
    • Views: 392
    02-21-2019, 04:18 PM Go to last post
  15. Amp size and power cord gauge

    Started by Randall, 02-19-2019 09:29 PM
    • Replies: 7
    • Views: 384
    02-20-2019, 07:11 PM Go to last post
  16. Phaez gives away EL84 design

    Started by tedmich, 04-29-2010 05:00 PM
    2 Pages
    1 2
    • Replies: 62
    • Views: 21,783
    02-17-2019, 08:35 PM Go to last post
  17. 12at7 question

    Started by catalin gramada, 02-12-2019 12:50 PM
    • Replies: 4
    • Views: 382
    02-17-2019, 12:05 PM Go to last post
  18. power supply cap values

    Started by Randall, 02-14-2019 01:36 AM
    • Replies: 10
    • Views: 496
    02-15-2019, 12:22 AM Go to last post
  19. Need ideas for a limiter circuit

    Started by Gaz, 01-03-2019 11:21 AM
    3 Pages
    1 2 3
    • Replies: 72
    • Views: 2,564
    02-12-2019, 11:33 AM Go to last post
  20. LTSpice and power measurements

    Started by bea, 01-28-2019 02:27 PM
    • Replies: 21
    • Views: 694
    02-08-2019, 01:43 AM Go to last post
  21. Fluctuating waveform ~

    Started by Gaz, 02-01-2019 11:03 PM
    • Replies: 22
    • Views: 931
    02-06-2019, 10:54 PM Go to last post
  22. Chinese EL34 problem

    Started by Malcolm Irving, 02-05-2019 01:36 PM
    • Replies: 4
    • Views: 414
    02-05-2019, 06:47 PM Go to last post

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