Page 1 of 163 12345671151101 ... LastLast
Threads 1 to 28 of 4558

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: 289
    09-02-2019, 06:06 AM Go to last post
  1. Question Gain stage bypass - query

    Started by NoelW, 09-11-2019 03:22 AM
    • Replies: 18
    • Views: 325
    09-14-2019, 04:17 AM Go to last post
  2. Hiwatt dr201 PT

    Started by tepsamps, 09-08-2019 09:55 AM
    • Replies: 10
    • Views: 278
    09-13-2019, 04:28 PM Go to last post
  3. Physically determine speaker wattage?

    Started by Axtman, 09-10-2019 06:00 AM
    • Replies: 15
    • Views: 305
    09-13-2019, 02:58 PM Go to last post
    • Replies: 49
    • Views: 2,851
    09-13-2019, 08:11 AM Go to last post
  4. Bootstrapped Gain Stage Theory

    Started by SoulFetish, 07-15-2019 01:54 AM
    3 Pages
    1 2 3
    • Replies: 70
    • Views: 2,042
    09-12-2019, 10:46 PM Go to last post
    • Replies: 13
    • Views: 368
    09-12-2019, 07:40 PM Go to last post
  5. The Lion Tamer

    Started by Jazz P Bass, 09-10-2019 04:32 PM
    • Replies: 8
    • Views: 200
    09-12-2019, 07:36 PM Go to last post
  6. Paraphase inverter question

    Started by catalin gramada, 08-30-2019 10:00 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 141
    • Views: 1,836
    09-11-2019, 03:54 PM Go to last post
  7. Test New Output Transformer

    Started by HaroldBrooks, 09-05-2019 09:08 PM
    • Replies: 9
    • Views: 201
    09-06-2019, 06:52 PM Go to last post
  8. KT150 push pull

    Started by tepsamps, 09-03-2019 11:09 PM
    • Replies: 7
    • Views: 234
    09-05-2019, 08:23 PM Go to last post
    • Replies: 138
    • Views: 6,425
    09-03-2019, 09:31 AM Go to last post
  9. Paraphase inverter question

    Started by catalin gramada, 08-30-2019 09:52 AM
    • Replies: 0
    • Views: 96
    08-30-2019, 09:52 AM Go to last post
  10. Weird OT issue ?

    Started by catalin gramada, 08-25-2019 09:56 AM
    • Replies: 15
    • Views: 437
    08-28-2019, 04:08 AM Go to last post
  11. Choke experiment

    Started by nsubulysses, 07-19-2019 06:13 PM
    • Replies: 9
    • Views: 547
    08-25-2019, 07:34 AM Go to last post
  12. PT and OT transformer core orientation

    Started by mikepukmel, 08-13-2019 12:35 AM
    • Replies: 21
    • Views: 687
    08-24-2019, 10:06 PM Go to last post
    • Replies: 38
    • Views: 1,560
    08-24-2019, 01:23 AM Go to last post
  13. adding line out to a speaker output

    Started by Randall, 08-08-2019 12:01 AM
    • Replies: 33
    • Views: 800
    08-11-2019, 01:09 AM Go to last post
  14. Selmer Treble and Bass 50W MkII

    Started by yeeshkul, 08-09-2019 06:43 PM
    • Replies: 6
    • Views: 345
    08-10-2019, 10:47 PM Go to last post
  15. DC filaments (ECC803) on a dedicated winding

    Started by Gtr0, 07-28-2019 10:21 AM
    • Replies: 24
    • Views: 902
    08-08-2019, 05:46 AM Go to last post
    • Replies: 20
    • Views: 854
    08-07-2019, 08:19 PM Go to last post
  16. How does the B+ go high?

    Started by dcoyle, 08-05-2019 12:15 AM
    • Replies: 21
    • Views: 768
    08-06-2019, 10:38 PM Go to last post
  17. Little theory please

    Started by catalin gramada, 08-01-2019 11:33 PM
    • Replies: 24
    • Views: 850
    08-05-2019, 02:48 PM Go to last post
  18. Sovtek 6550 datasheet question

    Started by Randall, 07-30-2019 07:45 PM
    • Replies: 13
    • Views: 565
    08-04-2019, 05:26 AM Go to last post
  19. 1967 AB763 Bandmaster cap mods

    Started by Randall, 07-29-2019 01:10 AM
    • Replies: 27
    • Views: 875
    08-01-2019, 02:24 AM Go to last post
    • Replies: 7
    • Views: 3,034
    07-28-2019, 08:14 PM Go to last post
  20. Diy Preamp section of a guitar amp.

    Started by wagnar, 07-20-2019 06:01 PM
    • Replies: 10
    • Views: 600
    07-27-2019, 08:25 PM Go to last post
  21. Question Blues deluxe repairs & mods - advice needed

    Started by NoelW, 07-25-2019 01:18 AM
    • Replies: 4
    • Views: 381
    07-27-2019, 04:27 AM Go to last post
  22. Series Resistor or Voltage Divider ?

    Started by HaroldBrooks, 07-24-2019 08:24 PM
    • Replies: 7
    • Views: 469
    07-25-2019, 08:59 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
  •