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Forum: Theory & Design

  1. Preamp tubes 12V heater

    Started by überfuzz, Yesterday 10:36 AM
    • Replies: 1
    • Views: 78
    Yesterday, 08:45 PM Go to last post
    • Replies: 23
    • Views: 529
    Yesterday, 04:37 PM Go to last post
  2. LTspice add imput jack symbol in ltspice schematic

    Started by Rod, 04-10-2019 01:05 AM
    • Replies: 1
    • Views: 161
    Yesterday, 02:01 PM Go to last post
    • Replies: 1
    • Views: 75
    04-22-2019, 11:26 AM Go to last post
  3. High Voltage cable with Quick Disconnect.

    Started by HaroldBrooks, 04-19-2019 07:29 PM
    • Replies: 5
    • Views: 152
    04-22-2019, 01:58 AM Go to last post
  4. Line out circuit help

    Started by Randall, 04-08-2019 08:00 PM
    • Replies: 6
    • Views: 334
    04-20-2019, 09:18 AM Go to last post
    • Replies: 7
    • Views: 195
    04-19-2019, 07:10 PM Go to last post
    • Replies: 7
    • Views: 193
    04-18-2019, 02:50 AM Go to last post
  5. Testing My MJ15003 Transistors

    Started by TomCarlos, 04-13-2019 05:50 AM
    • Replies: 11
    • Views: 250
    04-18-2019, 12:09 AM Go to last post
  6. Guitar, Speakers, Amp, or all Three ?

    Started by HaroldBrooks, 04-15-2019 02:03 PM
    • Replies: 0
    • Views: 125
    04-15-2019, 02:03 PM Go to last post
  7. Uneven Cathode Bias Resistance

    Started by HaroldBrooks, 04-05-2019 07:22 PM
    • Replies: 11
    • Views: 366
    04-15-2019, 06:23 AM Go to last post
    • Replies: 2
    • Views: 177
    04-13-2019, 07:19 AM Go to last post
  8. DC Not Blocked in output stage. Why ?

    Started by HaroldBrooks, 04-12-2019 02:47 PM
    • Replies: 8
    • Views: 214
    04-12-2019, 05:35 PM Go to last post
  9. Varistors for Voltage Spikes, How to size ?

    Started by HaroldBrooks, 04-09-2019 03:48 PM
    • Replies: 4
    • Views: 249
    04-10-2019, 09:54 PM Go to last post
  10. 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: 2,748
    04-09-2019, 06:12 PM Go to last post
  11. Testing Power Transformers

    Started by catalin gramada, 04-03-2019 08:19 AM
    2 Pages
    1 2
    • Replies: 40
    • Views: 953
    04-06-2019, 08:41 PM Go to last post
    • Replies: 13
    • Views: 545
    04-02-2019, 05:46 AM Go to last post
    • Replies: 34
    • Views: 3,298
    04-01-2019, 11:10 AM Go to last post
    • Replies: 12
    • Views: 458
    03-30-2019, 10:42 PM Go to last post
    • Replies: 7
    • Views: 286
    03-24-2019, 11:43 AM Go to last post
  12. Single vs Dual Supply Voltage Amplifiers

    Started by TomCarlos, 03-15-2019 03:36 PM
    • Replies: 21
    • Views: 661
    03-24-2019, 05:48 AM Go to last post
  13. EL34 cathode biased question

    Started by catalin gramada, 03-07-2019 10:02 PM
    • Replies: 9
    • Views: 616
    03-23-2019, 12:29 AM Go to last post
    • Replies: 11
    • Views: 369
    03-22-2019, 09:36 PM Go to last post
  14. Neater Wiring - Cable Lacing

    Started by R.G., 03-04-2019 06:41 PM
    • Replies: 17
    • Views: 858
    03-17-2019, 05:53 AM Go to last post
  15. Reverb Tanks, how does mounting style matter?

    Started by Randall, 03-15-2019 02:15 AM
    • Replies: 7
    • Views: 341
    03-15-2019, 06:02 PM Go to last post

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