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Threads 1 to 28 of 4233

Forum: Theory & Design

  1. PT and tube limitations

    Started by Randall, 12-10-2017 05:39 AM
    2 Pages
    1 2
    • Replies: 41
    • Views: 369
    Today, 02:24 AM Go to last post
  2. Jfet matching

    Started by lowell, 12-11-2017 09:35 PM
    • Replies: 7
    • Views: 153
    Yesterday, 11:09 PM Go to last post
  3. cathode bypass and grid stoppers/ when where and why

    Started by ric, 12-05-2017 01:01 AM
    2 Pages
    1 2
    • Replies: 54
    • Views: 1,072
    Yesterday, 10:05 PM Go to last post
  4. Capacitor ESR, how much is too much?

    Started by Randall, 12-09-2017 09:58 PM
    • Replies: 17
    • Views: 315
    Yesterday, 04:35 PM Go to last post
  5. Issue with a Clone Hybrid Hiwatt/Ampeg

    Started by blackwhaleamp, 12-08-2017 02:23 PM
    • Replies: 8
    • Views: 222
    12-10-2017, 11:28 PM Go to last post
    • Replies: 34
    • Views: 328
    12-10-2017, 10:32 PM Go to last post
  6. Matching EL34s in triode vs pentode modes

    Started by RobLM, 12-03-2017 05:00 AM
    • Replies: 4
    • Views: 242
    12-09-2017, 06:54 AM Go to last post
  7. Relay issue

    Started by lowell, 11-29-2017 01:04 AM
    • Replies: 23
    • Views: 470
    12-07-2017, 02:19 AM Go to last post
    • Replies: 24
    • Views: 535
    12-06-2017, 02:43 AM Go to last post
  8. what does this input resistor do?

    Started by Randall, 12-03-2017 10:25 PM
    • Replies: 16
    • Views: 357
    12-05-2017, 02:44 AM Go to last post
    • Replies: 5
    • Views: 194
    g1
    12-02-2017, 02:27 AM Go to last post
  9. Input Capacitor??

    Started by leadfootdriver, 11-27-2017 09:44 PM
    • Replies: 16
    • Views: 434
    11-29-2017, 04:53 AM Go to last post
  10. OT placement too

    Started by eschertron, 11-10-2017 03:26 AM
    • Replies: 13
    • Views: 557
    ric
    11-26-2017, 04:59 PM Go to last post
  11. How does this Marshall Hi/Lo power switch work?

    Started by Randall, 10-19-2017 04:37 AM
    • Replies: 20
    • Views: 760
    11-23-2017, 06:29 PM Go to last post
  12. JJ 6V6s spice model

    Started by marmax, 11-05-2017 12:34 PM
    • Replies: 10
    • Views: 436
    11-19-2017, 05:13 AM Go to last post
  13. Interstage transformer

    Started by mozz, 11-19-2017 02:00 AM
    • Replies: 4
    • Views: 221
    11-19-2017, 04:20 AM Go to last post
  14. Choosig resistors thoughts anyone

    Started by miltown, 11-17-2017 03:26 AM
    • Replies: 14
    • Views: 454
    11-19-2017, 12:29 AM Go to last post
  15. Where does the gain stage end??

    Started by nsubulysses, 11-17-2017 02:09 AM
    • Replies: 2
    • Views: 255
    11-17-2017, 08:07 AM Go to last post
    • Replies: 12
    • Views: 403
    11-14-2017, 10:52 PM Go to last post
  16. ZVS boost converter for tube PSU?

    Started by Zozobra, 01-23-2017 05:05 PM
    • Replies: 7
    • Views: 677
    11-12-2017, 08:36 PM Go to last post
  17. DIY attenuator

    Started by lowell, 10-30-2017 06:01 PM
    • Replies: 19
    • Views: 759
    11-10-2017, 06:13 PM Go to last post
  18. Mesa Dual Rectifier PSU Film cap

    Started by hylaphone, 11-08-2017 07:27 PM
    • Replies: 3
    • Views: 279
    11-09-2017, 10:05 PM Go to last post
    • Replies: 40
    • Views: 1,273
    11-06-2017, 07:05 PM Go to last post
  19. EL84 PP Class B power stage

    Started by bea, 11-05-2017 06:52 PM
    • Replies: 4
    • Views: 277
    bea
    11-06-2017, 03:14 PM Go to last post
  20. OT arrangement on chassis

    Started by nsubulysses, 10-20-2017 12:13 AM
    • Replies: 9
    • Views: 508
    11-05-2017, 06:09 AM Go to last post
    • Replies: 4
    • Views: 392
    11-03-2017, 11:32 AM Go to last post
  21. Filmosound guitar amp conversion

    Started by mozz, 04-24-2017 10:07 PM
    • Replies: 3
    • Views: 661
    10-31-2017, 10:16 PM Go to last post
  22. Bass Power Amp with GU50

    Started by es345, 02-29-2012 09:09 PM
    2 Pages
    1 2
    • Replies: 57
    • Views: 10,385
    10-29-2017, 09:48 PM Go to last post

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