Page 1 of 162 12345671151101 ... LastLast
Threads 1 to 28 of 4533

Forum: Theory & Design

  1. Bootstrapped Gain Stage Theory

    Started by SoulFetish, Yesterday 01:54 AM
    • Replies: 6
    • Views: 136
    Today, 02:54 PM Go to last post
  2. power supply capacitor size in tube amps

    Started by mikepukmel, 07-14-2019 09:03 PM
    • Replies: 13
    • Views: 208
    Yesterday, 06:32 PM Go to last post
  3. Screen current, straighten me out

    Started by Randall, 07-13-2019 03:16 AM
    • Replies: 12
    • Views: 279
    07-13-2019, 04:28 PM Go to last post
    • Replies: 15
    • Views: 354
    07-12-2019, 05:37 AM Go to last post
  4. Capacitance questions

    Started by Randall, 07-07-2019 08:59 PM
    • Replies: 27
    • Views: 743
    07-11-2019, 10:35 AM Go to last post
  5. PT primary wiring question

    Started by nsubulysses, 07-07-2019 09:54 PM
    • Replies: 23
    • Views: 639
    07-11-2019, 06:25 AM Go to last post
  6. pentode/triode switch

    Started by Randall, 07-08-2019 12:43 AM
    • Replies: 17
    • Views: 507
    07-10-2019, 11:29 AM Go to last post
  7. Shared cathode bypass

    Started by Randall, 08-12-2017 11:46 PM
    • Replies: 8
    • Views: 1,312
    07-09-2019, 08:50 PM Go to last post
  8. Bad Cat Hot Cat 15 Questions

    Started by Fred G., 07-07-2019 06:37 AM
    • Replies: 7
    • Views: 305
    07-09-2019, 11:25 AM Go to last post
  9. Interesting Dual Triode Compressor Circuit.

    Started by SoulFetish, 07-04-2019 04:22 PM
    • Replies: 24
    • Views: 635
    07-08-2019, 07:31 AM Go to last post
  10. Very Hot Amp Sounds and 'Feels' Better ?

    Started by HaroldBrooks, 07-07-2019 05:59 AM
    • Replies: 7
    • Views: 271
    07-07-2019, 08:42 PM Go to last post
    • Replies: 18
    • Views: 804
    07-06-2019, 11:04 PM Go to last post
  11. LED question

    Started by Randall, 07-03-2019 02:27 AM
    • Replies: 21
    • Views: 585
    07-06-2019, 07:55 PM Go to last post
  12. PCB grounding

    Started by Zozobra, 06-28-2019 02:09 PM
    • Replies: 5
    • Views: 354
    07-01-2019, 12:01 PM Go to last post
  13. Output Transformer - 4 wires ?

    Started by HaroldBrooks, 06-10-2019 06:25 PM
    • Replies: 2
    • Views: 366
    07-01-2019, 06:31 AM Go to last post
  14. AA864 PI question

    Started by Randall, 06-30-2019 10:35 PM
    • Replies: 4
    • Views: 186
    06-30-2019, 11:50 PM Go to last post
  15. Amp Wattage Measurement - Approximations

    Started by HaroldBrooks, 06-17-2019 04:53 PM
    2 Pages
    1 2
    • Replies: 64
    • Views: 1,810
    06-30-2019, 11:14 PM Go to last post
  16. Modern gear....

    Started by olddawg, 06-22-2019 08:12 PM
    • Replies: 30
    • Views: 963
    06-26-2019, 06:21 AM Go to last post
    • Replies: 18
    • Views: 635
    06-24-2019, 06:27 AM Go to last post
  17. Garnet Herzog questions

    Started by Randall, 06-17-2019 02:58 AM
    • Replies: 17
    • Views: 537
    06-23-2019, 04:18 AM Go to last post
  18. Everything is better with a tube in it! Lol!

    Started by olddawg, 06-20-2019 08:37 PM
    • Replies: 18
    • Views: 600
    06-22-2019, 05:00 AM Go to last post
  19. Tweed Twin power reduction

    Started by Randall, 06-14-2019 07:09 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 1,226
    06-20-2019, 07:16 PM Go to last post
  20. Dropping filament voltage with diodes

    Started by Bloomfield, 06-16-2019 07:43 PM
    • Replies: 6
    • Views: 313
    06-17-2019, 10:34 PM Go to last post
    • Replies: 21
    • Views: 499
    06-17-2019, 02:24 AM Go to last post
  21. can I use this OT?

    Started by dmartn149, 06-08-2019 02:37 AM
    • Replies: 34
    • Views: 812
    06-15-2019, 09:05 PM Go to last post
  22. Subbing a resistor for a speaker

    Started by Randall, 06-13-2019 10:16 PM
    • Replies: 11
    • Views: 485
    06-14-2019, 10:49 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
  •