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Bogen CHB-20A Rebuild
#10
Just got the 2 tube bias mod kit in the mail (didn't feel like taking the time to source parts myself), and I should have the components on hand to rig up a bias supply, so hopefully I can get to that soon. I also removed the large dropper resistors so I should be getting full plate voltage now. Might need to tweak the series resistors in the proportional supply to adjust for that. I'm thinking I'll use my FR4 sheet and eyelets I've been sitting on to rework this amp into something I can be proud of, so I guess I need to add metal stand-offs to my shopping list.
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Messages In This Thread
Bogen CHB-20A Rebuild - by physics - 01-18-2024, 05:40 AM
RE: Bogen CHB-20A Rebuild - by physics - 01-18-2024, 08:16 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 01-18-2024, 08:33 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-19-2024, 05:55 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 01-19-2024, 02:00 PM
RE: Bogen CHB-20A Rebuild - by makinrose - 01-21-2024, 07:50 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-21-2024, 08:40 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-21-2024, 08:36 PM
RE: Bogen CHB-20A Rebuild - by physics - 01-21-2024, 08:42 PM
RE: Bogen CHB-20A Rebuild - by physics - 03-09-2024, 05:02 PM
RE: Bogen CHB-20A Rebuild - by physics - 04-09-2024, 02:08 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 04-09-2024, 10:49 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-09-2024, 12:22 PM
RE: Bogen CHB-20A Rebuild - by Sherlok Ohms - 04-09-2024, 03:59 PM
RE: Bogen CHB-20A Rebuild - by physics - 04-10-2024, 02:04 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 04-10-2024, 10:38 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-11-2024, 01:20 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-11-2024, 03:03 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-26-2024, 04:26 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-26-2024, 04:40 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 04-26-2024, 10:39 AM
RE: Bogen CHB-20A Rebuild - by physics - 04-28-2024, 04:00 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-01-2024, 05:15 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-01-2024, 06:20 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-01-2024, 11:53 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-02-2024, 12:37 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-03-2024, 04:40 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-07-2024, 05:01 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-09-2024, 04:53 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-09-2024, 11:32 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-11-2024, 03:27 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-11-2024, 03:46 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-28-2024, 02:06 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-28-2024, 02:07 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-28-2024, 03:54 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-28-2024, 01:13 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-29-2024, 02:51 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 03:15 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 05:10 AM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 05:34 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-30-2024, 09:21 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-30-2024, 11:16 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-31-2024, 07:43 PM
RE: Bogen CHB-20A Rebuild - by physics - 05-31-2024, 11:06 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 05-31-2024, 11:45 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-01-2024, 12:16 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-03-2024, 07:47 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-03-2024, 10:57 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-03-2024, 07:23 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-04-2024, 12:24 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-04-2024, 01:05 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-04-2024, 06:47 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-04-2024, 07:42 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 12:29 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 04:17 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 03:35 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-11-2024, 04:59 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 07:16 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 07:38 PM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-11-2024, 08:43 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-11-2024, 09:23 PM
RE: Bogen CHB-20A Rebuild - by physics - 06-12-2024, 05:43 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-13-2024, 04:50 AM
RE: Bogen CHB-20A Rebuild - by K O'Connor - 06-13-2024, 11:07 AM
RE: Bogen CHB-20A Rebuild - by physics - 06-13-2024, 11:43 PM

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