In Reply to: Help - Sudden loud buzz occurring posted by Heifetz on January 24, 2015 at 16:40:23:
Could have some hinky-ness going on with bias supply or socket contact or both.Have you tried contact cleaner?
Good luck! Keep us posted.
Edits: 01/24/15
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Follow Ups
- check the idle bias current on output tubes. - FenderLover 18:20:54 01/24/15 (0)