This question already has an answer here:
- Decoupling capacitors 3 answers
In a customer review of this amp there seems to be a large electrolytic capacitor connected to its power supply (images below) for decoupling purposes. It is visible from the first image that the cap is accompanied by blocking diodes.
It would make no sense for them to be part of a rectifier as the amp operates with AC voltage. So my question is how are they set up with the capacitor so both decoupling and AC voltage to the amp can be accomplished.