• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Help needed on Regulated power supply on Class A 6L6 amp

Just to add one more info
this is a pcb of the circuit I post earlier . two channel indipendent

1745430838983.jpeg
 
If the currentwise the entire signal variability would be stuck on the power supply, than where does the current that drives the loudspeaker come from?

I think you overlook the role the output transformer is playing in this (storing and releasing energy with signal).

@ Bandersnatch: Please post your comment in the interest of valid information for the forum community.