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Forum: Theory & Design

  1. Fast blow or Time delay fuses?

    Started by Randall, 06-04-2016 09:17 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 120,996
    06-08-2016, 12:55 AM Go to last post
  2. Voltage on Preamp Tubes?

    Started by chipaudette, 12-03-2007 02:10 PM
    • Replies: 33
    • Views: 55,050
    09-03-2008, 08:00 AM Go to last post
  3. LDRs as pots?

    Started by Gregg, 10-25-2006 04:39 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 192
    • Views: 48,648
    10-28-2009, 10:36 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: 45,838
    01-29-2013, 04:01 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: 41,228
    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: 40,502
    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: 38,908
    03-04-2017, 10:09 PM Go to last post
  8. Vox AC30 head layout

    Started by fabiomayo, 08-11-2007 09:45 PM
    • Replies: 23
    • Views: 37,978
    03-31-2013, 11:41 PM Go to last post
  9. el84 bias...How hot?

    Started by Chuck H, 12-24-2008 06:36 AM
    3 Pages
    1 2 3
    • Replies: 90
    • Views: 34,903
    02-07-2014, 12:12 PM Go to last post
  10. Critique my Pspice and simple tube amp design?

    Started by Tonefishin, 07-12-2008 06:45 PM
    • Replies: 29
    • Views: 33,820
    07-17-2008, 06:37 PM Go to last post
  11. Real TrainWreck mojo!

    Started by Chuck H, 12-31-2013 05:36 AM
    8 Pages
    1 2 3 ... 8
    • Replies: 260
    • Views: 30,174
    Yesterday, 06:39 AM Go to last post
  12. D.i.y. Bias Probe

    Started by chocopower, 11-28-2007 11:39 PM
    • Replies: 25
    • Views: 29,662
    01-20-2014, 10:58 PM Go to last post
  13. What is a cathode follower?

    Started by bluefoxicy, 04-24-2008 03:54 AM
    • Replies: 10
    • Views: 28,905
    04-25-2008, 11:26 AM Go to last post
  14. high gain amp design

    Started by beinz, 12-17-2011 10:31 PM
    3 Pages
    1 2 3
    • Replies: 86
    • Views: 28,454
    01-14-2012, 07:09 PM Go to last post
  15. Cool Bass pre-amp

    Started by RPmanen, 03-25-2007 11:43 PM
    • Replies: 33
    • Views: 24,417
    04-17-2007, 01:45 PM Go to last post
  16. Egnater Rebel 20 20 Schematic?

    Started by olddawg, 11-18-2008 06:14 PM
    • Replies: 16
    • Views: 23,531
    08-29-2011, 09:54 PM Go to last post
    • Replies: 4
    • Views: 23,043
    12-28-2009, 07:29 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: 22,728
    06-01-2017, 08:59 PM Go to last post
  18. Throwing metal film resistors in Fender amps

    Started by Wil, 01-09-2014 02:50 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 209
    • Views: 22,472
    05-28-2018, 01:57 PM Go to last post
    • Replies: 12
    • Views: 22,120
    12-04-2007, 01:42 AM 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: 21,232
    05-31-2014, 01:48 AM Go to last post
  20. EF 86 pentode

    Started by Normybaby, 09-06-2007 06:52 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 21,179
    04-19-2008, 03:34 PM Go to last post
  21. Reverb and Driver tube: 12AT7 or 12AX7?

    Started by EETStudent, 08-10-2008 04:58 AM
    • Replies: 30
    • Views: 20,725
    02-29-2012, 11:18 PM Go to last post
  22. High screen voltage on EL84

    Started by Tonewood, 03-05-2011 04:20 AM
    • Replies: 4
    • Views: 20,648
    03-06-2011, 05:55 PM Go to last post
  23. Phaez gives away EL84 design

    Started by tedmich, 04-29-2010 05:00 PM
    2 Pages
    1 2
    • Replies: 48
    • Views: 20,172
    05-31-2014, 12:24 AM Go to last post
  24. Audio - linear transistors

    Started by AkisTzortzis, 07-25-2008 08:07 AM
    • Replies: 19
    • Views: 20,131
    07-28-2008, 08:11 PM Go to last post
  25. Direct Coupling with Zener Diodes

    Started by exclamationmark, 04-26-2011 04:59 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 180
    • Views: 20,057
    09-15-2012, 08:05 PM Go to last post
    • Replies: 19
    • Views: 19,613
    01-18-2017, 05:06 PM Go to last post

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