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Yesterday I looked at a co workers Fender Roc Pro 1000. His biggest complaint was that the dirty channel is slow when powered up and selected. When I plugged it in and routed to the dirty channel, all worked. The only complaint I had was scratchy potentiometers.
So I cleaned up the dust behind the grill and re painted the black speaker mesh and wiped the tolex down. Cleaned the noisy potentiometer and poked at the board to insure no circuit breaks. Downloaded a schematic and notice some unusual configuration on the dirty channel tube layout.
Once assembled the amp together I did notice a delay with the dirty channel, figuring that the tube takes awhile to allow the soft switching to engage.
My question is: Does lowering a triode plate supply takes longer for conduction?
So I cleaned up the dust behind the grill and re painted the black speaker mesh and wiped the tolex down. Cleaned the noisy potentiometer and poked at the board to insure no circuit breaks. Downloaded a schematic and notice some unusual configuration on the dirty channel tube layout.
Once assembled the amp together I did notice a delay with the dirty channel, figuring that the tube takes awhile to allow the soft switching to engage.
My question is: Does lowering a triode plate supply takes longer for conduction?