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Forum: Theory & Design

  1. Sticky Thread Sticky: making sure I understand OT secondary ground

    Started by dmartn149, 08-31-2019 09:08 PM
    • Replies: 7
    • Views: 501
    09-02-2019, 06:06 AM Go to last post
  1. screen voltage for output stage

    Started by ReadyTeddy, 06-18-2013 06:06 PM
    • Replies: 6
    • Views: 1,322
    06-21-2013, 02:37 PM Go to last post
  2. Need a formula from RDH3

    Started by imaradiostar, 06-20-2013 09:56 PM
    • Replies: 3
    • Views: 841
    06-21-2013, 03:29 AM Go to last post
  3. multi-tap speaker jack wiring

    Started by Randall, 06-05-2013 02:56 AM
    • Replies: 8
    • Views: 1,663
    06-20-2013, 04:25 AM Go to last post
  4. output transformer impedence matching

    Started by Randall, 06-19-2013 01:44 AM
    • Replies: 12
    • Views: 1,592
    06-19-2013, 10:49 PM Go to last post
  5. Regulated screens

    Started by Zozobra, 06-18-2013 11:46 AM
    • Replies: 6
    • Views: 1,649
    06-18-2013, 04:08 PM Go to last post
  6. why 1M input on most M style amps?

    Started by daz, 06-16-2013 05:29 PM
    • Replies: 17
    • Views: 1,713
    06-18-2013, 08:37 AM Go to last post
  7. vintage line voltage timeline

    Started by Randall, 06-16-2013 08:28 PM
    • Replies: 5
    • Views: 1,344
    06-17-2013, 03:16 PM Go to last post
  8. Questions about Champion 30 SS amp

    Started by Steve A., 06-14-2013 07:41 PM
    • Replies: 7
    • Views: 3,138
    06-17-2013, 06:05 AM Go to last post
  9. capacitor multi can question

    Started by Randall, 06-11-2013 08:53 PM
    • Replies: 18
    • Views: 1,871
    06-17-2013, 05:18 AM Go to last post
  10. 5F6A Bassman with 6V6's and other oddities

    Started by printer2, 05-28-2013 03:01 PM
    • Replies: 8
    • Views: 2,843
    06-17-2013, 03:25 AM Go to last post
    • Replies: 3
    • Views: 1,275
    06-17-2013, 03:13 AM Go to last post
  11. the standby switch

    Started by Randall, 06-04-2013 10:23 PM
    2 Pages
    1 2
    • Replies: 45
    • Views: 4,687
    06-16-2013, 04:12 PM Go to last post
  12. Cap leakage test

    Started by Randall, 06-15-2013 03:30 AM
    • Replies: 7
    • Views: 1,882
    06-16-2013, 05:11 AM Go to last post
  13. Relay switching and transistor question; keeping it quiet

    Started by wizard333, 05-25-2013 03:00 AM
    2 Pages
    1 2
    • Replies: 38
    • Views: 3,725
    06-16-2013, 12:51 AM Go to last post
  14. Solid State Project!!

    Started by angelothewolf, 06-04-2013 12:08 AM
    • Replies: 18
    • Views: 1,691
    06-14-2013, 03:51 PM Go to last post
  15. Filter cap tricks, opinions?

    Started by wizard333, 06-10-2013 09:23 AM
    • Replies: 14
    • Views: 2,050
    06-13-2013, 06:16 AM Go to last post
    • Replies: 26
    • Views: 3,129
    06-12-2013, 07:58 PM Go to last post
    • Replies: 2
    • Views: 994
    06-10-2013, 02:14 AM Go to last post
    • Replies: 12
    • Views: 2,428
    06-07-2013, 11:13 PM Go to last post
  16. Question 7199 as Phase Inverter

    Started by kurisurokku, 05-29-2008 09:01 PM
    7199, ampeg gemini, phase inverter
    • Replies: 7
    • Views: 4,105
    06-07-2013, 07:14 AM Go to last post
    • Replies: 3
    • Views: 5,094
    06-07-2013, 04:46 AM Go to last post
  17. Buss grounding scheme

    Started by booj, 05-25-2013 05:00 PM
    • Replies: 32
    • Views: 4,414
    06-06-2013, 08:49 PM Go to last post
  18. Ampeg bandaxall tone stack

    Started by Randall, 06-04-2013 05:33 AM
    • Replies: 8
    • Views: 2,379
    06-05-2013, 04:58 PM Go to last post
  19. Pretty dumb thermal protection question

    Started by xyloeye, 11-02-2010 09:42 PM
    • Replies: 12
    • Views: 2,315
    06-03-2013, 09:11 PM Go to last post
  20. Question I designed an amp - does it look OK?

    Started by jussi, 05-31-2013 12:48 PM
    • Replies: 2
    • Views: 3,384
    06-02-2013, 02:58 AM Go to last post
  21. loadline editor

    Started by überfuzz, 05-31-2013 11:12 PM
    • Replies: 5
    • Views: 1,232
    06-01-2013, 11:24 PM Go to last post
  22. grid resistors in pentode stages

    Started by überfuzz, 06-01-2013 08:27 PM
    • Replies: 7
    • Views: 1,314
    06-01-2013, 11:11 PM Go to last post

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