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Forum: Theory & Design

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

    Started by 01redcobra, 04-06-2016 02:56 AM
    • Replies: 2
    • Views: 740
    04-06-2016, 11:13 PM Go to last post
  2. Tube Rectifier Question

    Started by 12thfret, 10-30-2010 01:30 PM
    • Replies: 6
    • Views: 3,286
    11-12-2010, 12:18 AM Go to last post
  3. building an amp: Variac

    Started by 3124+, 02-01-2007 02:32 AM
    • Replies: 5
    • Views: 2,729
    02-03-2007, 10:31 PM Go to last post
  4. A couple of questions...

    Started by 5thumbs, 09-15-2010 08:42 PM
    • Replies: 3
    • Views: 1,023
    09-16-2010, 05:52 AM Go to last post
  5. Power required for a Belton Brick reverb unit

    Started by 5thumbs, 12-21-2010 05:25 PM
    • Replies: 11
    • Views: 4,843
    12-23-2010, 01:14 AM Go to last post
  6. Has anyone tried building a tube acoustic amp?

    Started by 5thumbs, 05-15-2011 06:22 AM
    • Replies: 6
    • Views: 2,331
    05-18-2011, 07:08 PM Go to last post
  7. Multiple speaker combo questions...

    Started by 5thumbs, 08-24-2012 11:44 PM
    • Replies: 6
    • Views: 1,012
    08-27-2012, 08:13 AM Go to last post
    • Replies: 13
    • Views: 1,662
    10-19-2013, 03:46 AM Go to last post
  8. rectifier ripple in power tubes

    Started by 5thumbs, 12-17-2013 11:48 PM
    • Replies: 1
    • Views: 707
    12-18-2013, 08:33 AM Go to last post
    • Replies: 8
    • Views: 1,161
    01-21-2014, 08:57 PM Go to last post
  9. Princeton Reverb build with no tremolo question

    Started by 5thumbs, 09-06-2016 07:45 PM
    • Replies: 7
    • Views: 826
    09-08-2016, 05:46 AM Go to last post
  10. nfb to ot secondary tap w/o connected speaker?

    Started by 5Trout, 11-12-2007 08:38 PM
    • Replies: 4
    • Views: 1,671
    11-14-2007, 07:00 PM Go to last post
  11. 6146A/B cathode bias not recommended?

    Started by 6267, 04-29-2008 11:59 PM
    • Replies: 13
    • Views: 5,927
    09-29-2008, 08:46 PM Go to last post
  12. All 6sn7 preamp for 6v6? First schematic design!

    Started by 6267, 05-13-2008 06:42 AM
    • Replies: 4
    • Views: 11,728
    01-07-2009, 10:52 PM Go to last post
  13. 6EY6 & Cathode bias

    Started by 6267, 11-02-2008 07:26 PM
    • Replies: 3
    • Views: 1,975
    11-04-2008, 05:24 PM Go to last post
  14. Poor RF rejection

    Started by 6267, 12-18-2008 09:29 PM
    • Replies: 4
    • Views: 1,912
    12-20-2008, 08:30 PM Go to last post
  15. "Lost" design techniques

    Started by 6267, 01-09-2009 09:53 PM
    • Replies: 7
    • Views: 1,493
    01-10-2009, 08:59 PM Go to last post
  16. Bridge rectifier & arcing 5u4

    Started by 6267, 03-20-2009 08:28 PM
    • Replies: 3
    • Views: 2,256
    03-23-2009, 10:40 PM Go to last post
  17. Dual rectifiers and filter cap limits

    Started by 65ampman, 04-27-2018 05:26 AM
    • Replies: 16
    • Views: 439
    05-05-2018, 04:37 PM Go to last post
  18. Whats the diff? JFET and MOSFET?

    Started by 888guitars, 08-12-2010 05:14 AM
    • Replies: 3
    • Views: 1,446
    08-12-2010, 11:27 PM Go to last post
  19. delete

    Started by 88mm, 05-14-2016 01:11 PM
    • Replies: 0
    • Views: 427
    05-14-2016, 01:11 PM Go to last post
  20. decoupling caps

    Started by 9 volts, 03-12-2007 11:10 AM
    • Replies: 7
    • Views: 2,440
    03-13-2007, 10:02 PM Go to last post
  21. internal DI box

    Started by 9 volts, 03-17-2007 12:01 PM
    • Replies: 0
    • Views: 1,733
    03-17-2007, 12:01 PM Go to last post
    • Replies: 2
    • Views: 1,860
    09-12-2007, 07:34 PM Go to last post
  22. EM 800 "Magic Eye" tubes

    Started by AcePepper, 03-10-2008 07:00 AM
    • Replies: 3
    • Views: 3,463
    03-11-2008, 07:03 AM Go to last post
  23. New Amp Designs Posted

    Started by AcePepper, 01-14-2010 10:36 PM
    • Replies: 8
    • Views: 2,812
    01-28-2010, 06:55 PM Go to last post
  24. Right PT specs for rack tube preamp

    Started by ACHIEVEIT, 08-09-2014 09:20 AM
    • Replies: 26
    • Views: 2,172
    08-16-2014, 12:50 AM Go to last post
    • Replies: 2
    • Views: 1,275
    12-12-2014, 05:28 PM Go to last post

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