Page 1 of 159 12345671151101 ... LastLast
Threads 1 to 28 of 4448

Forum: Theory & Design

  1. power supply cap values

    Started by Randall, 02-14-2019 01:36 AM
    • Replies: 10
    • Views: 226
    Yesterday, 12:22 AM Go to last post
  2. Phaez gives away EL84 design

    Started by tedmich, 04-29-2010 05:00 PM
    2 Pages
    1 2
    • Replies: 61
    • Views: 21,192
    02-14-2019, 06:06 PM Go to last post
  3. 12at7 question

    Started by catalin gramada, 02-12-2019 12:50 PM
    • Replies: 3
    • Views: 213
    02-14-2019, 02:14 PM Go to last post
  4. Need ideas for a limiter circuit

    Started by Gaz, 01-03-2019 11:21 AM
    3 Pages
    1 2 3
    • Replies: 72
    • Views: 2,091
    02-12-2019, 11:33 AM Go to last post
  5. LTSpice and power measurements

    Started by bea, 01-28-2019 02:27 PM
    • Replies: 21
    • Views: 448
    02-08-2019, 01:43 AM Go to last post
  6. Fluctuating waveform ~

    Started by Gaz, 02-01-2019 11:03 PM
    • Replies: 22
    • Views: 639
    02-06-2019, 10:54 PM Go to last post
  7. Chinese EL34 problem

    Started by Malcolm Irving, 02-05-2019 01:36 PM
    • Replies: 4
    • Views: 218
    02-05-2019, 06:47 PM Go to last post
  8. Tube heater question/idea

    Started by KCman, 01-31-2019 04:40 PM
    • Replies: 22
    • Views: 428
    02-02-2019, 01:31 AM Go to last post
  9. Shared cathode resistor question

    Started by catalin gramada, 01-30-2019 12:36 PM
    • Replies: 6
    • Views: 229
    01-30-2019, 07:06 PM Go to last post
    • Replies: 20
    • Views: 467
    01-28-2019, 02:22 PM Go to last post
  10. Toward a GU50 power stage

    Started by bea, 01-28-2019 03:27 AM
    • Replies: 0
    • Views: 129
    01-28-2019, 03:27 AM Go to last post
  11. Understanding "grid drive" to drive, 2, 4, 6 power tubes

    Started by nsubulysses, 12-31-2018 02:26 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 167
    • Views: 3,951
    01-28-2019, 02:01 AM Go to last post
  12. power tube quad confusion

    Started by Randall, 01-21-2019 11:11 PM
    • Replies: 3
    • Views: 210
    01-22-2019, 01:11 AM Go to last post
  13. OK to run a 5V4GA recto in a 6G9 Tremolux?

    Started by Randall, 01-09-2019 03:04 AM
    • Replies: 18
    • Views: 569
    01-20-2019, 08:27 PM Go to last post
  14. Virtual center tap OT?

    Started by Satamax, 01-17-2019 03:13 PM
    • Replies: 13
    • Views: 393
    01-18-2019, 04:13 PM Go to last post
  15. Marshall caps

    Started by Valvehead, 01-18-2019 04:21 AM
    • Replies: 6
    • Views: 168
    01-18-2019, 03:10 PM Go to last post
  16. Designing for AB2

    Started by Smitty, 06-25-2006 04:36 PM
    2 Pages
    1 2
    • Replies: 53
    • Views: 11,637
    01-18-2019, 02:32 PM Go to last post
  17. AAA battery question

    Started by Randall, 01-17-2019 05:05 AM
    • Replies: 7
    • Views: 325
    01-18-2019, 02:34 AM Go to last post
  18. DC coupled C.F. question

    Started by catalin gramada, 01-12-2019 07:38 PM
    2 Pages
    1 2
    • Replies: 43
    • Views: 924
    01-16-2019, 07:40 PM Go to last post
  19. Switching scheme with muting and LEDs

    Started by frusciante89, 11-25-2018 05:44 PM
    2 Pages
    1 2
    • Replies: 42
    • Views: 1,612
    01-12-2019, 07:43 PM Go to last post
  20. Grid Current Emulation at Input to Power Amp

    Started by loudthud, 01-10-2019 08:57 AM
    • Replies: 11
    • Views: 446
    01-11-2019, 08:53 PM Go to last post
  21. D.i.y. Bias Probe

    Started by chocopower, 11-28-2007 11:39 PM
    • Replies: 28
    • Views: 30,161
    01-05-2019, 04:12 AM Go to last post
    • Replies: 3
    • Views: 283
    01-04-2019, 02:51 PM Go to last post
    • Replies: 118
    • Views: 3,831
    01-03-2019, 10:02 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
  •