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Tremolo comes on for a second and then fades out...
I've got an old Guyatone GA-440s push/pull tube amp that uses the following tubes: (2) 6BM8, (1) 6VA6, and (1)12ax7. The reverb uses the 6AV6 triode for the... -
Guyatone (tokyo sound) 440s Tube Amp Schematic
Hello - I am trying to track down the schematic for a Guyatone (tokyo sound) 440s Tube Amp.
Both the tremolo and reverb are dead on it.
I've...
