Page 1 of 164 12345671151101 ... LastLast
Threads 1 to 28 of 4569

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: 498
    09-02-2019, 06:06 AM Go to last post
  1. Fast blow or Time delay fuses?

    Started by Randall, 06-04-2016 09:17 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 121,771
    06-08-2016, 12:55 AM Go to last post
  2. LDRs as pots?

    Started by Gregg, 10-25-2006 04:39 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 192
    • Views: 58,055
    10-28-2009, 10:36 AM Go to last post
  3. Voltage on Preamp Tubes?

    Started by chipaudette, 12-03-2007 01:10 PM
    • Replies: 33
    • Views: 57,453
    09-03-2008, 08:00 AM Go to last post
  4. 6BM8 tubes... what to use them for!

    Started by Bruce / Mission Amps, 04-25-2008 12:09 AM
    3 Pages
    1 2 3
    • Replies: 81
    • Views: 48,415
    01-29-2013, 03:01 AM Go to last post
  5. Power Scaling is Flawed?

    Started by tbryanh, 05-16-2007 08:40 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 158
    • Views: 44,159
    06-07-2012, 08:36 AM Go to last post
  6. EL34/EL84 versus 6V6/6L6

    Started by PRNDL, 05-17-2009 06:11 PM
    • Replies: 7
    • Views: 41,181
    05-29-2009, 09:43 PM Go to last post
  7. 6AQ5 vs. 6BQ5/EL84

    Started by EETStudent, 05-12-2008 07:23 PM
    • Replies: 22
    • Views: 40,825
    03-04-2017, 09:09 PM Go to last post
  8. Vox AC30 head layout

    Started by fabiomayo, 08-11-2007 09:45 PM
    • Replies: 23
    • Views: 39,551
    03-31-2013, 11:41 PM Go to last post
  9. el84 bias...How hot?

    Started by Chuck H, 12-24-2008 05:36 AM
    3 Pages
    1 2 3
    • Replies: 90
    • Views: 37,915
    02-07-2014, 11:12 AM Go to last post
  10. Real TrainWreck mojo!

    Started by Chuck H, 12-31-2013 04:36 AM
    8 Pages
    1 2 3 ... 8
    • Replies: 264
    • Views: 35,560
    11-18-2018, 08:13 PM Go to last post
  11. Critique my Pspice and simple tube amp design?

    Started by Tonefishin, 07-12-2008 06:45 PM
    • Replies: 29
    • Views: 34,833
    07-17-2008, 06:37 PM Go to last post
  12. D.i.y. Bias Probe

    Started by chocopower, 11-28-2007 10:39 PM
    • Replies: 28
    • Views: 31,426
    01-05-2019, 03:12 AM Go to last post
  13. high gain amp design

    Started by beinz, 12-17-2011 09:31 PM
    3 Pages
    1 2 3
    • Replies: 86
    • Views: 29,679
    01-14-2012, 06:09 PM Go to last post
  14. What is a cathode follower?

    Started by bluefoxicy, 04-24-2008 03:54 AM
    • Replies: 10
    • Views: 29,480
    04-25-2008, 11:26 AM Go to last post
  15. Cool Bass pre-amp

    Started by RPmanen, 03-25-2007 11:43 PM
    • Replies: 33
    • Views: 26,363
    04-17-2007, 01:45 PM Go to last post
  16. Throwing metal film resistors in Fender amps

    Started by Wil, 01-09-2014 01:50 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 209
    • Views: 25,858
    05-28-2018, 01:57 PM Go to last post
  17. The Official Dual Rail Thread

    Started by Wilder Amplification, 04-07-2010 09:02 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 199
    • Views: 25,742
    06-01-2017, 08:59 PM Go to last post
  18. Egnater Rebel 20 20 Schematic?

    Started by olddawg, 11-18-2008 05:14 PM
    • Replies: 16
    • Views: 24,534
    08-29-2011, 09:54 PM Go to last post
  19. EL84 Amp Design...Why Such High B+ Voltages?

    Started by Wilder Amplification, 04-02-2011 05:08 PM
    3 Pages
    1 2 3
    • Replies: 81
    • Views: 23,488
    05-31-2014, 01:48 AM Go to last post
    • Replies: 4
    • Views: 23,348
    12-28-2009, 06:29 PM Go to last post
    • Replies: 12
    • Views: 23,278
    12-04-2007, 12:42 AM Go to last post
  20. Phaez gives away EL84 design

    Started by tedmich, 04-29-2010 05:00 PM
    2 Pages
    1 2
    • Replies: 62
    • Views: 23,077
    02-17-2019, 07:35 PM Go to last post
  21. Direct Coupling with Zener Diodes

    Started by exclamationmark, 04-26-2011 04:59 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 180
    • Views: 22,800
    09-15-2012, 08:05 PM Go to last post
  22. EF 86 pentode

    Started by Normybaby, 09-06-2007 06:52 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 22,371
    04-19-2008, 03:34 PM Go to last post
  23. Output tube impedance

    Started by DaBreeze, 11-16-2009 12:38 PM
    2 Pages
    1 2
    • Replies: 59
    • Views: 22,071
    06-10-2019, 04:43 AM Go to last post
  24. Reverb and Driver tube: 12AT7 or 12AX7?

    Started by EETStudent, 08-10-2008 04:58 AM
    • Replies: 30
    • Views: 21,900
    02-29-2012, 10:18 PM Go to last post
    • Replies: 19
    • Views: 21,302
    01-18-2017, 04:06 PM Go to last post
  25. Audio - linear transistors

    Started by AkisTzortzis, 07-25-2008 08:07 AM
    • Replies: 19
    • Views: 21,187
    07-28-2008, 08:11 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
  •