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Forum: Theory & Design

  1. Pardon my ignorance, but I don't understand

    Started by 01redcobra, 04-06-2016 03:56 AM
    • Replies: 2
    • Views: 664
    04-07-2016, 12:13 AM Go to last post
  2. Tube Rectifier Question

    Started by 12thfret, 10-30-2010 02:30 PM
    • Replies: 6
    • Views: 3,178
    11-12-2010, 01:18 AM Go to last post
  3. building an amp: Variac

    Started by 3124+, 02-01-2007 03:32 AM
    • Replies: 5
    • Views: 2,644
    02-03-2007, 11:31 PM Go to last post
  4. A couple of questions...

    Started by 5thumbs, 09-15-2010 09:42 PM
    • Replies: 3
    • Views: 949
    09-16-2010, 06:52 AM Go to last post
  5. Power required for a Belton Brick reverb unit

    Started by 5thumbs, 12-21-2010 06:25 PM
    • Replies: 11
    • Views: 4,710
    12-23-2010, 02:14 AM Go to last post
  6. Has anyone tried building a tube acoustic amp?

    Started by 5thumbs, 05-15-2011 07:22 AM
    • Replies: 6
    • Views: 2,245
    05-18-2011, 08:08 PM Go to last post
  7. Multiple speaker combo questions...

    Started by 5thumbs, 08-25-2012 12:44 AM
    • Replies: 6
    • Views: 929
    08-27-2012, 09:13 AM Go to last post
    • Replies: 13
    • Views: 1,565
    10-19-2013, 04:46 AM Go to last post
  8. rectifier ripple in power tubes

    Started by 5thumbs, 12-18-2013 12:48 AM
    • Replies: 1
    • Views: 643
    12-18-2013, 09:33 AM Go to last post
    • Replies: 8
    • Views: 1,065
    01-21-2014, 09:57 PM Go to last post
  9. Princeton Reverb build with no tremolo question

    Started by 5thumbs, 09-06-2016 08:45 PM
    • Replies: 7
    • Views: 696
    09-08-2016, 06:46 AM Go to last post
  10. nfb to ot secondary tap w/o connected speaker?

    Started by 5Trout, 11-12-2007 09:38 PM
    • Replies: 4
    • Views: 1,595
    11-14-2007, 08:00 PM Go to last post
  11. 6146A/B cathode bias not recommended?

    Started by 6267, 04-30-2008 12:59 AM
    • Replies: 13
    • Views: 5,848
    09-29-2008, 09:46 PM Go to last post
  12. All 6sn7 preamp for 6v6? First schematic design!

    Started by 6267, 05-13-2008 07:42 AM
    • Replies: 4
    • Views: 11,386
    01-07-2009, 11:52 PM Go to last post
  13. 6EY6 & Cathode bias

    Started by 6267, 11-02-2008 08:26 PM
    • Replies: 3
    • Views: 1,957
    11-04-2008, 06:24 PM Go to last post
  14. Poor RF rejection

    Started by 6267, 12-18-2008 10:29 PM
    • Replies: 4
    • Views: 1,848
    12-20-2008, 09:30 PM Go to last post
  15. "Lost" design techniques

    Started by 6267, 01-09-2009 10:53 PM
    • Replies: 7
    • Views: 1,423
    01-10-2009, 09:59 PM Go to last post
  16. Bridge rectifier & arcing 5u4

    Started by 6267, 03-20-2009 09:28 PM
    • Replies: 3
    • Views: 2,222
    03-23-2009, 11:40 PM Go to last post
  17. Whats the diff? JFET and MOSFET?

    Started by 888guitars, 08-12-2010 06:14 AM
    • Replies: 3
    • Views: 1,426
    08-13-2010, 12:27 AM Go to last post
  18. delete

    Started by 88mm, 05-14-2016 02:11 PM
    • Replies: 0
    • Views: 362
    05-14-2016, 02:11 PM Go to last post
  19. decoupling caps

    Started by 9 volts, 03-12-2007 12:10 PM
    • Replies: 7
    • Views: 2,393
    03-13-2007, 11:02 PM Go to last post
  20. internal DI box

    Started by 9 volts, 03-17-2007 01:01 PM
    • Replies: 0
    • Views: 1,716
    03-17-2007, 01:01 PM Go to last post
    • Replies: 2
    • Views: 1,837
    09-12-2007, 08:34 PM Go to last post
  21. EM 800 "Magic Eye" tubes

    Started by AcePepper, 03-10-2008 08:00 AM
    • Replies: 3
    • Views: 3,412
    03-11-2008, 08:03 AM Go to last post
  22. New Amp Designs Posted

    Started by AcePepper, 01-14-2010 11:36 PM
    • Replies: 8
    • Views: 2,773
    01-28-2010, 07:55 PM Go to last post
  23. Right PT specs for rack tube preamp

    Started by ACHIEVEIT, 08-09-2014 10:20 AM
    • Replies: 26
    • Views: 2,035
    08-16-2014, 01:50 AM Go to last post
    • Replies: 2
    • Views: 1,134
    12-12-2014, 06:28 PM Go to last post
  24. CF-driven phase inverter?

    Started by AdmiralB, 12-31-2006 05:28 AM
    • Replies: 16
    • Views: 7,510
    03-06-2017, 06:02 AM Go to last post

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