In Reply to: Thup-thup-thup and static coming from my power amp posted by Wilbur Pan on December 12, 2016 at 14:17:41:
My guess would be the output stage coupling caps (C11,C12,C13,C14) or a decoupling cap in the power supply.
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Follow Ups
- RE: Thup-thup-thup and static coming from my power amp - Triode_Kingdom 14:22:47 12/12/16 (11)
- RE: Thup-thup-thup and static maybe an oscillation - DAK 19:20:48 12/12/16 (10)
- RE: Thup-thup-thup and static maybe an oscillation - Wilbur Pan 19:21:29 12/12/16 (9)
- RE: Thup-thup-thup and static maybe an oscillation - Jim McShane 08:49:02 12/13/16 (2)
- RE: Thup-thup-thup and static maybe an oscillation - Wilbur Pan 17:37:45 12/13/16 (1)
- RE: Thup-thup-thup and static maybe an oscillation - altecboy 02:36:48 12/18/16 (0)
- How old are the main power supply caps? (n/t) - FenderLover 19:46:23 12/12/16 (5)
- RE: How old are the main power supply caps? (n/t) - Wilbur Pan 17:34:59 12/13/16 (3)
- RE: How old are the main power supply caps? (n/t) - FenderLover 01:16:01 12/14/16 (2)
- RE: How old are the main power supply caps? (n/t) - ZENTISH 09:39:48 12/16/16 (1)
- RE: How old are the main power supply caps? (n/t) - Wilbur Pan 07:31:17 02/13/17 (0)
- the 12ax7 - altecboy 06:53:47 12/13/16 (0)