Page 1 of 164 12345671151101 ... LastLast
Threads 1 to 28 of 4571

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: 518
    09-02-2019, 06:06 AM Go to last post
  1. 2 cascaded push pull

    Started by tepsamps, Yesterday 10:12 PM
    • Replies: 1
    • Views: 30
    Today, 12:05 AM Go to last post
  2. Doofus-Proofing Bias Supply

    Started by Justin Thomas, 10-11-2019 07:21 PM
    • Replies: 21
    • Views: 385
    Yesterday, 09:02 PM Go to last post
  3. Swap out different Preamp Tube Type ?

    Started by HaroldBrooks, 09-26-2019 04:18 AM
    • Replies: 21
    • Views: 576
    Yesterday, 04:14 PM Go to last post
  4. I want to build an amp selector (two amps a/b, one cab)

    Started by Gtr0, 10-05-2019 07:52 AM
    2 Pages
    1 2
    • Replies: 59
    • Views: 1,133
    10-21-2019, 04:34 AM Go to last post
  5. Weber 5F2H High power Princeton questions

    Started by garytube, 10-20-2019 05:29 PM
    • Replies: 2
    • Views: 82
    10-20-2019, 07:42 PM Go to last post
  6. Generic voltage divider question...

    Started by Gtr0, 10-17-2019 05:31 PM
    • Replies: 8
    • Views: 204
    10-18-2019, 02:18 PM Go to last post
  7. DC at both tone controls ?

    Started by HaroldBrooks, 10-13-2019 07:32 AM
    • Replies: 13
    • Views: 351
    10-15-2019, 01:17 AM Go to last post
  8. Current Ratings for amp and Power Transformers

    Started by Gtr0, 10-09-2019 08:30 AM
    • Replies: 20
    • Views: 401
    10-13-2019, 10:44 PM Go to last post
    • Replies: 27
    • Views: 494
    10-09-2019, 11:20 PM Go to last post
  9. Switchable Global NFB options

    Started by Gtr0, 10-04-2019 04:24 AM
    • Replies: 10
    • Views: 300
    10-06-2019, 10:55 AM Go to last post
  10. Fender 68 prri

    Started by clintronics, 09-19-2019 02:27 AM
    • Replies: 7
    • Views: 333
    09-30-2019, 04:08 PM Go to last post
    • Replies: 12
    • Views: 505
    09-29-2019, 06:45 AM Go to last post
  11. neg grid voltage limit

    Started by uneumann, 09-21-2019 09:21 PM
    • Replies: 7
    • Views: 327
    09-23-2019, 06:59 PM Go to last post
    • Replies: 15
    • Views: 598
    09-17-2019, 05:43 PM Go to last post
  12. Question Gain stage bypass - query

    Started by NoelW, 09-11-2019 03:22 AM
    • Replies: 18
    • Views: 476
    09-14-2019, 04:17 AM Go to last post
  13. Hiwatt dr201 PT

    Started by tepsamps, 09-08-2019 09:55 AM
    • Replies: 10
    • Views: 379
    09-13-2019, 04:28 PM Go to last post
  14. Physically determine speaker wattage?

    Started by Axtman, 09-10-2019 06:00 AM
    • Replies: 15
    • Views: 442
    09-13-2019, 02:58 PM Go to last post
    • Replies: 49
    • Views: 3,049
    09-13-2019, 08:11 AM Go to last post
  15. Bootstrapped Gain Stage Theory

    Started by SoulFetish, 07-15-2019 01:54 AM
    3 Pages
    1 2 3
    • Replies: 70
    • Views: 2,306
    09-12-2019, 10:46 PM Go to last post
  16. The Lion Tamer

    Started by Jazz P Bass, 09-10-2019 04:32 PM
    • Replies: 8
    • Views: 295
    09-12-2019, 07:36 PM Go to last post
  17. Paraphase inverter question

    Started by catalin gramada, 08-30-2019 10:00 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 141
    • Views: 2,401
    09-11-2019, 03:54 PM Go to last post
  18. Test New Output Transformer

    Started by HaroldBrooks, 09-05-2019 09:08 PM
    • Replies: 9
    • Views: 260
    09-06-2019, 06:52 PM Go to last post
  19. KT150 push pull

    Started by tepsamps, 09-03-2019 11:09 PM
    • Replies: 7
    • Views: 330
    09-05-2019, 08:23 PM Go to last post
    • Replies: 138
    • Views: 6,620
    09-03-2019, 09:31 AM Go to last post
  20. Paraphase inverter question

    Started by catalin gramada, 08-30-2019 09:52 AM
    • Replies: 0
    • Views: 132
    08-30-2019, 09:52 AM Go to last post
  21. Weird OT issue ?

    Started by catalin gramada, 08-25-2019 09:56 AM
    • Replies: 15
    • Views: 489
    08-28-2019, 04:08 AM Go to last post
  22. Choke experiment

    Started by nsubulysses, 07-19-2019 06:13 PM
    • Replies: 9
    • Views: 652
    08-25-2019, 07:34 AM Go to last post
  23. PT and OT transformer core orientation

    Started by mikepukmel, 08-13-2019 12:35 AM
    • Replies: 21
    • Views: 836
    08-24-2019, 10:06 PM Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •