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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: 304
    09-02-2019, 06:06 AM Go to last post
    • Replies: 2
    • Views: 68
    Today, 05:37 AM Go to last post
  1. Fender 68 prri

    Started by clintronics, Yesterday 02:27 AM
    • Replies: 2
    • Views: 64
    Yesterday, 03:04 AM Go to last post
    • Replies: 15
    • Views: 463
    09-17-2019, 05:43 PM Go to last post
  2. Question Gain stage bypass - query

    Started by NoelW, 09-11-2019 03:22 AM
    • Replies: 18
    • Views: 398
    09-14-2019, 04:17 AM Go to last post
  3. Hiwatt dr201 PT

    Started by tepsamps, 09-08-2019 09:55 AM
    • Replies: 10
    • Views: 290
    09-13-2019, 04:28 PM Go to last post
  4. Physically determine speaker wattage?

    Started by Axtman, 09-10-2019 06:00 AM
    • Replies: 15
    • Views: 335
    09-13-2019, 02:58 PM Go to last post
    • Replies: 49
    • Views: 2,867
    09-13-2019, 08:11 AM Go to last post
  5. Bootstrapped Gain Stage Theory

    Started by SoulFetish, 07-15-2019 01:54 AM
    3 Pages
    1 2 3
    • Replies: 70
    • Views: 2,075
    09-12-2019, 10:46 PM Go to last post
  6. The Lion Tamer

    Started by Jazz P Bass, 09-10-2019 04:32 PM
    • Replies: 8
    • Views: 220
    09-12-2019, 07:36 PM Go to last post
  7. Paraphase inverter question

    Started by catalin gramada, 08-30-2019 10:00 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 141
    • Views: 1,912
    09-11-2019, 03:54 PM Go to last post
  8. Test New Output Transformer

    Started by HaroldBrooks, 09-05-2019 09:08 PM
    • Replies: 9
    • Views: 207
    09-06-2019, 06:52 PM Go to last post
  9. KT150 push pull

    Started by tepsamps, 09-03-2019 11:09 PM
    • Replies: 7
    • Views: 242
    09-05-2019, 08:23 PM Go to last post
    • Replies: 138
    • Views: 6,441
    09-03-2019, 09:31 AM Go to last post
  10. Paraphase inverter question

    Started by catalin gramada, 08-30-2019 09:52 AM
    • Replies: 0
    • Views: 99
    08-30-2019, 09:52 AM Go to last post
  11. Weird OT issue ?

    Started by catalin gramada, 08-25-2019 09:56 AM
    • Replies: 15
    • Views: 443
    08-28-2019, 04:08 AM Go to last post
  12. Choke experiment

    Started by nsubulysses, 07-19-2019 06:13 PM
    • Replies: 9
    • Views: 554
    08-25-2019, 07:34 AM Go to last post
  13. PT and OT transformer core orientation

    Started by mikepukmel, 08-13-2019 12:35 AM
    • Replies: 21
    • Views: 692
    08-24-2019, 10:06 PM Go to last post
    • Replies: 38
    • Views: 1,576
    08-24-2019, 01:23 AM Go to last post
  14. adding line out to a speaker output

    Started by Randall, 08-08-2019 12:01 AM
    • Replies: 33
    • Views: 807
    08-11-2019, 01:09 AM Go to last post
  15. Selmer Treble and Bass 50W MkII

    Started by yeeshkul, 08-09-2019 06:43 PM
    • Replies: 6
    • Views: 349
    08-10-2019, 10:47 PM Go to last post
  16. DC filaments (ECC803) on a dedicated winding

    Started by Gtr0, 07-28-2019 10:21 AM
    • Replies: 24
    • Views: 906
    08-08-2019, 05:46 AM Go to last post
    • Replies: 20
    • Views: 873
    08-07-2019, 08:19 PM Go to last post
  17. How does the B+ go high?

    Started by dcoyle, 08-05-2019 12:15 AM
    • Replies: 21
    • Views: 791
    08-06-2019, 10:38 PM Go to last post
  18. Little theory please

    Started by catalin gramada, 08-01-2019 11:33 PM
    • Replies: 24
    • Views: 857
    08-05-2019, 02:48 PM Go to last post
  19. Sovtek 6550 datasheet question

    Started by Randall, 07-30-2019 07:45 PM
    • Replies: 13
    • Views: 571
    08-04-2019, 05:26 AM Go to last post
  20. 1967 AB763 Bandmaster cap mods

    Started by Randall, 07-29-2019 01:10 AM
    • Replies: 27
    • Views: 892
    08-01-2019, 02:24 AM Go to last post
    • Replies: 7
    • Views: 3,053
    07-28-2019, 08:14 PM Go to last post
  21. Diy Preamp section of a guitar amp.

    Started by wagnar, 07-20-2019 06:01 PM
    • Replies: 10
    • Views: 602
    07-27-2019, 08:25 PM Go to last post

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