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Forum: Theory & Design

  1. Line out circuit help

    Started by Randall, 04-08-2019 08:00 PM
    • Replies: 6
    • Views: 294
    Today, 09:18 AM Go to last post
  2. High Voltage cable with Quick Disconnect.

    Started by HaroldBrooks, Yesterday 07:29 PM
    • Replies: 4
    • Views: 80
    Yesterday, 10:12 PM Go to last post
    • Replies: 7
    • Views: 157
    Yesterday, 07:10 PM Go to last post
    • Replies: 22
    • Views: 451
    04-18-2019, 06:30 PM Go to last post
    • Replies: 7
    • Views: 167
    04-18-2019, 02:50 AM Go to last post
  3. Testing My MJ15003 Transistors

    Started by TomCarlos, 04-13-2019 05:50 AM
    • Replies: 11
    • Views: 230
    04-18-2019, 12:09 AM Go to last post
  4. Guitar, Speakers, Amp, or all Three ?

    Started by HaroldBrooks, 04-15-2019 02:03 PM
    • Replies: 0
    • Views: 99
    04-15-2019, 02:03 PM Go to last post
  5. Uneven Cathode Bias Resistance

    Started by HaroldBrooks, 04-05-2019 07:22 PM
    • Replies: 11
    • Views: 342
    04-15-2019, 06:23 AM Go to last post
    • Replies: 2
    • Views: 154
    04-13-2019, 07:19 AM Go to last post
  6. DC Not Blocked in output stage. Why ?

    Started by HaroldBrooks, 04-12-2019 02:47 PM
    • Replies: 8
    • Views: 187
    04-12-2019, 05:35 PM Go to last post
  7. Varistors for Voltage Spikes, How to size ?

    Started by HaroldBrooks, 04-09-2019 03:48 PM
    • Replies: 4
    • Views: 227
    04-10-2019, 09:54 PM Go to last post
  8. LTspice add imput jack symbol in ltspice schematic

    Started by Rod, 04-10-2019 01:05 AM
    • Replies: 0
    • Views: 119
    04-10-2019, 01:05 AM Go to last post
  9. 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: 2,686
    04-09-2019, 06:12 PM Go to last post
  10. Testing Power Transformers

    Started by catalin gramada, 04-03-2019 08:19 AM
    2 Pages
    1 2
    • Replies: 40
    • Views: 931
    04-06-2019, 08:41 PM Go to last post
    • Replies: 13
    • Views: 512
    04-02-2019, 05:46 AM Go to last post
    • Replies: 34
    • Views: 3,275
    04-01-2019, 11:10 AM Go to last post
    • Replies: 12
    • Views: 441
    03-30-2019, 10:42 PM Go to last post
    • Replies: 7
    • Views: 268
    03-24-2019, 11:43 AM Go to last post
  11. Single vs Dual Supply Voltage Amplifiers

    Started by TomCarlos, 03-15-2019 03:36 PM
    • Replies: 21
    • Views: 645
    03-24-2019, 05:48 AM Go to last post
  12. EL34 cathode biased question

    Started by catalin gramada, 03-07-2019 10:02 PM
    • Replies: 9
    • Views: 591
    03-23-2019, 12:29 AM Go to last post
    • Replies: 11
    • Views: 351
    03-22-2019, 09:36 PM Go to last post
  13. Neater Wiring - Cable Lacing

    Started by R.G., 03-04-2019 06:41 PM
    • Replies: 17
    • Views: 837
    03-17-2019, 05:53 AM Go to last post
  14. Reverb Tanks, how does mounting style matter?

    Started by Randall, 03-15-2019 02:15 AM
    • Replies: 7
    • Views: 327
    03-15-2019, 06:02 PM Go to last post
  15. Opamp for fx loop

    Started by chunkitup, 10-22-2013 12:57 AM
    2 Pages
    1 2
    • Replies: 44
    • Views: 2,863
    03-09-2019, 01:23 AM Go to last post
  16. Some stand alone reverb unit ideas...

    Started by Steelwitch, 03-05-2019 11:47 PM
    • Replies: 1
    • Views: 329
    03-06-2019, 03:25 AM Go to last post

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