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Forum: Theory & Design

  1. Power supply variation

    Started by nsubulysses, 05-18-2019 08:58 AM
    • Replies: 6
    • Views: 177
    Today, 05:48 AM Go to last post
  2. PI drive for 6 power tube amp

    Started by nsubulysses, Yesterday 08:03 PM
    • Replies: 0
    • Views: 39
    Yesterday, 08:03 PM Go to last post
  3. Ever wonder about the Sprague Atom controversy?

    Started by Randall, 05-17-2019 10:35 PM
    • Replies: 22
    • Views: 490
    Yesterday, 12:53 PM Go to last post
    • Replies: 13
    • Views: 251
    05-19-2019, 05:09 PM Go to last post
  4. Maximum DC voltage on output of amp?

    Started by Axtman, 05-14-2019 04:57 AM
    • Replies: 2
    • Views: 177
    05-14-2019, 03:25 PM Go to last post
  5. cabinet shielding question

    Started by Randall, 05-06-2019 02:07 AM
    • Replies: 18
    • Views: 470
    05-12-2019, 02:50 AM Go to last post
  6. Pentode Triode Switch

    Started by überfuzz, 05-09-2019 01:45 PM
    • Replies: 5
    • Views: 260
    05-11-2019, 02:03 AM Go to last post
  7. 12DW7 Reverb

    Started by Natman, 12-02-2010 06:52 PM
    • Replies: 25
    • Views: 6,900
    05-09-2019, 03:09 AM Go to last post
  8. Tube reverb driver circuits

    Started by Rhodesplyr, 04-17-2010 01:58 AM
    • Replies: 18
    • Views: 11,394
    05-08-2019, 11:00 AM Go to last post
  9. Output tube impedance

    Started by DaBreeze, 11-16-2009 01:38 PM
    2 Pages
    1 2
    • Replies: 58
    • Views: 20,272
    05-07-2019, 10:19 PM Go to last post
  10. Considerations For Replacing Power Transistors

    Started by TomCarlos, 05-02-2019 06:16 PM
    • Replies: 3
    • Views: 231
    05-03-2019, 04:08 PM Go to last post
  11. 5T4 sub for 5Y3 ?

    Started by HaroldBrooks, 05-02-2019 07:31 AM
    • Replies: 6
    • Views: 197
    05-03-2019, 04:31 AM Go to last post
    • Replies: 7
    • Views: 294
    05-01-2019, 11:15 PM Go to last post
  12. Uneven Cathode Bias Resistance

    Started by HaroldBrooks, 04-05-2019 07:22 PM
    • Replies: 13
    • Views: 579
    05-01-2019, 02:05 AM Go to last post
  13. Reduced V1 Hum - New Trick (For Me that is)

    Started by HaroldBrooks, 04-28-2019 05:54 AM
    • Replies: 10
    • Views: 444
    05-01-2019, 01:43 AM Go to last post
  14. 100 watts with two 6L6GC tubes?!

    Started by Axtman, 04-29-2019 02:17 AM
    • Replies: 11
    • Views: 380
    04-29-2019, 02:25 PM Go to last post
    • Replies: 10
    • Views: 374
    04-27-2019, 03:48 PM Go to last post
  15. Preamp tubes 12V heater

    Started by überfuzz, 04-24-2019 10:36 AM
    • Replies: 1
    • Views: 228
    04-24-2019, 08:45 PM Go to last post
    • Replies: 23
    • Views: 721
    04-24-2019, 04:37 PM Go to last post
  16. LTspice add imput jack symbol in ltspice schematic

    Started by Rod, 04-10-2019 01:05 AM
    • Replies: 1
    • Views: 267
    04-24-2019, 02:01 PM Go to last post
    • Replies: 1
    • Views: 196
    04-22-2019, 11:26 AM Go to last post
  17. High Voltage cable with Quick Disconnect.

    Started by HaroldBrooks, 04-19-2019 07:29 PM
    • Replies: 5
    • Views: 282
    04-22-2019, 01:58 AM Go to last post
  18. Line out circuit help

    Started by Randall, 04-08-2019 08:00 PM
    • Replies: 6
    • Views: 453
    04-20-2019, 09:18 AM Go to last post
    • Replies: 7
    • Views: 341
    04-19-2019, 07:10 PM Go to last post
    • Replies: 7
    • Views: 326
    04-18-2019, 02:50 AM Go to last post
  19. Testing My MJ15003 Transistors

    Started by TomCarlos, 04-13-2019 05:50 AM
    • Replies: 11
    • Views: 398
    04-18-2019, 12:09 AM Go to last post

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