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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: What can be causing the loss of signal in this amp? posted by DAK on April 17, 2016 at 09:43:45:
"the bias voltage of the 2a3 is varying unlike the +50vdc on the good amp."
Sounds like the coupling cap to the grid of the 2A3 might be leaking.
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Follow Ups
- RE: What can be causing the loss of signal in this amp? - Triode_Kingdom 11:33:35 04/17/16 (18)
- RE: What can be causing the loss of signal in this amp? - DAK 12:38:22 04/17/16 (17)
- RE: What can be causing the loss of signal in this amp? - Triode_Kingdom 13:52:08 04/17/16 (16)
- RE: I think i found the problem - DAK 15:40:09 04/18/16 (14)
- RE: I think i found the problem - Triode_Kingdom 16:31:16 04/18/16 (13)
- RE:The pot is fried. - DAK 15:26:44 04/19/16 (5)
- Glad you found it! - Triode_Kingdom 06:04:49 04/21/16 (4)
- RE: Glad you found it! - DAK 09:21:30 04/21/16 (3)
- RE: Glad you found it! - Triode_Kingdom 12:52:25 04/21/16 (2)
- RE: Thanx TK, i will dial it back a bit. - DAK 13:10:21 04/21/16 (1)
- RE: Thanx TK, i will dial it back a bit. - Tre' 08:08:07 04/22/16 (0)
- RE: I think i found the problem - DAK 19:23:51 04/18/16 (6)
- RE: I think i found the problem - Triode_Kingdom 05:35:55 04/19/16 (5)
- RE: I think i found the problem - DAK 09:17:57 04/19/16 (4)
- RE: I think i found the problem - Triode_Kingdom 11:04:06 04/19/16 (3)
- RE: I think i found the problem - DAK 11:55:26 04/19/16 (2)
- RE: I think i found the problem - Michael Samra 12:41:40 04/19/16 (1)
- RE: I changed out the jensen coupling cap - DAK 13:27:06 04/19/16 (0)
- RE: What can be causing the loss of signal in this amp? - DAK 15:26:39 04/17/16 (0)
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