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Forum: Theory & Design

  1. Maximum DC voltage on output of amp?

    Started by Axtman, 05-14-2019 04:57 AM
    • Replies: 2
    • Views: 318
    05-14-2019, 03:25 PM Go to last post
  2. cabinet shielding question

    Started by Randall, 05-06-2019 02:07 AM
    • Replies: 18
    • Views: 673
    05-12-2019, 02:50 AM Go to last post
  3. Pentode Triode Switch

    Started by überfuzz, 05-09-2019 01:45 PM
    • Replies: 5
    • Views: 401
    05-11-2019, 02:03 AM Go to last post
  4. 12DW7 Reverb

    Started by Natman, 12-02-2010 06:52 PM
    • Replies: 25
    • Views: 7,119
    05-09-2019, 03:09 AM Go to last post
  5. Tube reverb driver circuits

    Started by Rhodesplyr, 04-17-2010 01:58 AM
    • Replies: 18
    • Views: 11,631
    05-08-2019, 11:00 AM Go to last post
  6. Considerations For Replacing Power Transistors

    Started by TomCarlos, 05-02-2019 06:16 PM
    • Replies: 3
    • Views: 344
    05-03-2019, 04:08 PM Go to last post
  7. 5T4 sub for 5Y3 ?

    Started by HaroldBrooks, 05-02-2019 07:31 AM
    • Replies: 6
    • Views: 265
    05-03-2019, 04:31 AM Go to last post
    • Replies: 7
    • Views: 422
    05-01-2019, 11:15 PM Go to last post
  8. Uneven Cathode Bias Resistance

    Started by HaroldBrooks, 04-05-2019 07:22 PM
    • Replies: 13
    • Views: 737
    05-01-2019, 02:05 AM Go to last post
  9. 100 watts with two 6L6GC tubes?!

    Started by Axtman, 04-29-2019 02:17 AM
    • Replies: 11
    • Views: 504
    04-29-2019, 02:25 PM Go to last post
    • Replies: 10
    • Views: 490
    04-27-2019, 03:48 PM Go to last post
  10. Preamp tubes 12V heater

    Started by überfuzz, 04-24-2019 10:36 AM
    • Replies: 1
    • Views: 311
    04-24-2019, 08:45 PM Go to last post
    • Replies: 23
    • Views: 864
    04-24-2019, 04:37 PM Go to last post
  11. LTspice add imput jack symbol in ltspice schematic

    Started by Rod, 04-10-2019 01:05 AM
    • Replies: 1
    • Views: 349
    04-24-2019, 02:01 PM Go to last post
    • Replies: 1
    • Views: 253
    04-22-2019, 11:26 AM Go to last post
  12. High Voltage cable with Quick Disconnect.

    Started by HaroldBrooks, 04-19-2019 07:29 PM
    • Replies: 5
    • Views: 343
    04-22-2019, 01:58 AM Go to last post
  13. Line out circuit help

    Started by Randall, 04-08-2019 08:00 PM
    • Replies: 6
    • Views: 522
    04-20-2019, 09:18 AM Go to last post
    • Replies: 7
    • Views: 398
    04-19-2019, 07:10 PM Go to last post
    • Replies: 7
    • Views: 384
    04-18-2019, 02:50 AM Go to last post
  14. Testing My MJ15003 Transistors

    Started by TomCarlos, 04-13-2019 05:50 AM
    • Replies: 11
    • Views: 465
    04-18-2019, 12:09 AM Go to last post
  15. Guitar, Speakers, Amp, or all Three ?

    Started by HaroldBrooks, 04-15-2019 02:03 PM
    • Replies: 0
    • Views: 243
    04-15-2019, 02:03 PM Go to last post
    • Replies: 2
    • Views: 295
    04-13-2019, 07:19 AM Go to last post
  16. DC Not Blocked in output stage. Why ?

    Started by HaroldBrooks, 04-12-2019 02:47 PM
    • Replies: 8
    • Views: 372
    04-12-2019, 05:35 PM Go to last post
  17. Varistors for Voltage Spikes, How to size ?

    Started by HaroldBrooks, 04-09-2019 03:48 PM
    • Replies: 4
    • Views: 381
    04-10-2019, 09:54 PM Go to last post
  18. Cathode follower without elevated heater voltage

    Started by Dark Mavis, 03-03-2019 02:26 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 129
    • Views: 3,384
    04-09-2019, 06:12 PM Go to last post
  19. Testing Power Transformers

    Started by catalin gramada, 04-03-2019 08:19 AM
    2 Pages
    1 2
    • Replies: 40
    • Views: 1,248
    04-06-2019, 08:41 PM Go to last post

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