AB763 clone, REVERB NOISE.

raza

New member
Hello everyone from Barcelona

I have built a copy of the ab763 deluxe reverb.

I have changed the tone stack, for one like those of dumble. but I have not modified almost anything else.

When I have the entire amp connected, with the reverb tank, I perceive a somewhat strange background vibration.
It sounds good but the sound gets a bit dirty from the vibration.
At first I thought it could be a loose screw or an element in the room, but no!
When I disconnect the rca cable from the reverb tank, the vibration disappears, and the sound becomes cleaner.


what do you think?


THANKS!!!!!

pd : I dont put the tone control of the reverb
 

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