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Forum: Theory & Design

  1. Channel Switching Advice

    Started by Ninevolt, Yesterday 11:38 PM
    • Replies: 4
    • Views: 51
    Today, 01:32 AM Go to last post
  2. Film Caps for Tube Amp Power Supplies

    Started by R.G., Yesterday 08:06 PM
    • Replies: 1
    • Views: 54
    Yesterday, 08:45 PM Go to last post
  3. About amp "immediacy"

    Started by netfences, 10-06-2018 01:52 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 255
    • Views: 4,408
    Yesterday, 07:22 PM Go to last post
  4. MOSFET Dissipation (for Power Scaling / VVR)

    Started by mhuss, 06-05-2015 10:00 PM
    2 Pages
    1 2
    • Replies: 63
    • Views: 4,014
    10-18-2018, 07:09 PM Go to last post
  5. Question about Pentode reverb drive circuit

    Started by SoulFetish, 08-15-2018 02:36 AM
    3 Pages
    1 2 3
    • Replies: 86
    • Views: 2,356
    10-18-2018, 06:35 AM Go to last post
  6. Pulling two output tubes in a Tweed Twin

    Started by Randall, 10-05-2018 11:59 PM
    • Replies: 22
    • Views: 553
    10-16-2018, 02:51 PM Go to last post
    • Replies: 32
    • Views: 496
    10-13-2018, 01:19 PM Go to last post
  7. Hartke Model 3500 MOSFET power supply

    Started by Axtman, 10-12-2018 07:17 PM
    • Replies: 1
    • Views: 95
    10-13-2018, 12:59 AM Go to last post
  8. Powertube warmup..

    Started by leadfootdriver, 10-10-2018 09:31 PM
    • Replies: 7
    • Views: 202
    10-12-2018, 04:28 AM Go to last post
  9. dim bulb tester light bulb resistance

    Started by Randall, 10-08-2018 03:44 AM
    • Replies: 5
    • Views: 204
    10-09-2018, 02:29 PM Go to last post
  10. seires / parallel wattage question

    Started by Randall, 09-27-2018 10:53 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 862
    10-04-2018, 05:22 AM Go to last post
  11. Great tool but I need a little info!

    Started by tubedood, 10-02-2018 06:23 AM
    • Replies: 6
    • Views: 254
    10-02-2018, 11:02 PM Go to last post
  12. Tube/JFET hybrid cascode?

    Started by SoulFetish, 09-27-2018 07:40 AM
    • Replies: 2
    • Views: 215
    10-02-2018, 07:21 AM Go to last post
  13. Tube rectifier B+ differences

    Started by tubedood, 07-30-2018 04:21 PM
    • Replies: 34
    • Views: 1,210
    09-29-2018, 03:30 AM Go to last post
  14. How close to capacitor voltage rating?

    Started by Axtman, 09-07-2018 07:12 PM
    • Replies: 20
    • Views: 757
    09-28-2018, 05:58 PM Go to last post
    • Replies: 34
    • Views: 972
    09-28-2018, 08:56 AM Go to last post
    • Replies: 13
    • Views: 339
    09-26-2018, 11:31 AM Go to last post
  15. What does this thingy do?

    Started by Axtman, 09-25-2018 06:57 PM
    • Replies: 3
    • Views: 212
    09-25-2018, 11:42 PM Go to last post
  16. Another Power Transformer Question!

    Started by tubedood, 09-25-2018 09:01 PM
    • Replies: 3
    • Views: 180
    09-25-2018, 09:50 PM Go to last post
  17. Dagnall OT no wiring info

    Started by Randall, 09-24-2018 08:05 PM
    • Replies: 3
    • Views: 196
    09-24-2018, 09:28 PM Go to last post
  18. THD Univalve questions

    Started by mikepukmel, 09-20-2018 03:47 AM
    • Replies: 12
    • Views: 426
    09-20-2018, 08:51 PM Go to last post
    • Replies: 18
    • Views: 771
    09-19-2018, 09:10 PM Go to last post
  19. Couple other transformer questions

    Started by nsubulysses, 09-12-2018 06:25 PM
    • Replies: 8
    • Views: 409
    09-14-2018, 08:23 PM Go to last post
  20. Trust this transformer any more or less?

    Started by nsubulysses, 09-05-2018 05:29 PM
    • Replies: 27
    • Views: 1,021
    09-13-2018, 02:09 AM Go to last post
  21. Input jack lock?

    Started by Axtman, 09-12-2018 09:16 PM
    • Replies: 2
    • Views: 178
    09-13-2018, 12:04 AM Go to last post
  22. Real TrainWreck mojo!

    Started by Chuck H, 12-31-2013 05:36 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 237
    • Views: 29,048
    09-12-2018, 07:31 AM Go to last post
  23. Vibration mounting a socket with a tube shield

    Started by tubedood, 08-13-2018 08:08 PM
    • Replies: 15
    • Views: 743
    09-12-2018, 03:56 AM Go to last post
  24. Bias pcb

    Started by Valvehead, 09-08-2018 06:04 PM
    • Replies: 8
    • Views: 324
    09-10-2018, 10:24 PM Go to last post

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