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Forum: Theory & Design

  1. DC DC converter

    Started by uneumann, Today 12:26 AM
    • Replies: 8
    • Views: 70
    Today, 04:32 AM Go to last post
  2. Bad Cat Hot Cat 15 Questions

    Started by Fred G., 07-07-2019 06:37 AM
    • Replies: 8
    • Views: 372
    Yesterday, 02:49 PM Go to last post
    • Replies: 11
    • Views: 340
    Yesterday, 01:01 PM Go to last post
  3. Bootstrapped Gain Stage Theory

    Started by SoulFetish, 07-15-2019 01:54 AM
    • Replies: 9
    • Views: 301
    Yesterday, 03:34 AM Go to last post
  4. Screen current, straighten me out

    Started by Randall, 07-13-2019 03:16 AM
    • Replies: 17
    • Views: 424
    07-17-2019, 09:12 PM Go to last post
  5. power supply capacitor size in tube amps

    Started by mikepukmel, 07-14-2019 09:03 PM
    • Replies: 14
    • Views: 301
    07-16-2019, 09:37 PM Go to last post
    • Replies: 47
    • Views: 2,154
    07-16-2019, 12:06 AM Go to last post
    • Replies: 15
    • Views: 383
    07-12-2019, 05:37 AM Go to last post
  6. Capacitance questions

    Started by Randall, 07-07-2019 08:59 PM
    • Replies: 27
    • Views: 774
    07-11-2019, 10:35 AM Go to last post
  7. PT primary wiring question

    Started by nsubulysses, 07-07-2019 09:54 PM
    • Replies: 23
    • Views: 665
    07-11-2019, 06:25 AM Go to last post
  8. pentode/triode switch

    Started by Randall, 07-08-2019 12:43 AM
    • Replies: 17
    • Views: 554
    07-10-2019, 11:29 AM Go to last post
  9. Shared cathode bypass

    Started by Randall, 08-12-2017 11:46 PM
    • Replies: 8
    • Views: 1,328
    07-09-2019, 08:50 PM Go to last post
  10. Interesting Dual Triode Compressor Circuit.

    Started by SoulFetish, 07-04-2019 04:22 PM
    • Replies: 24
    • Views: 670
    07-08-2019, 07:31 AM Go to last post
  11. Very Hot Amp Sounds and 'Feels' Better ?

    Started by HaroldBrooks, 07-07-2019 05:59 AM
    • Replies: 7
    • Views: 293
    07-07-2019, 08:42 PM Go to last post
    • Replies: 18
    • Views: 828
    07-06-2019, 11:04 PM Go to last post
  12. LED question

    Started by Randall, 07-03-2019 02:27 AM
    • Replies: 21
    • Views: 601
    07-06-2019, 07:55 PM Go to last post
  13. PCB grounding

    Started by Zozobra, 06-28-2019 02:09 PM
    • Replies: 5
    • Views: 357
    07-01-2019, 12:01 PM Go to last post
  14. Output Transformer - 4 wires ?

    Started by HaroldBrooks, 06-10-2019 06:25 PM
    • Replies: 2
    • Views: 374
    07-01-2019, 06:31 AM Go to last post
  15. AA864 PI question

    Started by Randall, 06-30-2019 10:35 PM
    • Replies: 4
    • Views: 187
    06-30-2019, 11:50 PM Go to last post
  16. Amp Wattage Measurement - Approximations

    Started by HaroldBrooks, 06-17-2019 04:53 PM
    2 Pages
    1 2
    • Replies: 64
    • Views: 1,851
    06-30-2019, 11:14 PM Go to last post
  17. Modern gear....

    Started by olddawg, 06-22-2019 08:12 PM
    • Replies: 30
    • Views: 999
    06-26-2019, 06:21 AM Go to last post
    • Replies: 18
    • Views: 649
    06-24-2019, 06:27 AM Go to last post
  18. Garnet Herzog questions

    Started by Randall, 06-17-2019 02:58 AM
    • Replies: 17
    • Views: 554
    06-23-2019, 04:18 AM Go to last post
  19. Everything is better with a tube in it! Lol!

    Started by olddawg, 06-20-2019 08:37 PM
    • Replies: 18
    • Views: 608
    06-22-2019, 05:00 AM Go to last post
  20. Tweed Twin power reduction

    Started by Randall, 06-14-2019 07:09 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 1,244
    06-20-2019, 07:16 PM Go to last post
  21. Dropping filament voltage with diodes

    Started by Bloomfield, 06-16-2019 07:43 PM
    • Replies: 6
    • Views: 327
    06-17-2019, 10:34 PM Go to last post
    • Replies: 21
    • Views: 527
    06-17-2019, 02:24 AM Go to last post

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