What amps are similar to the old ampeg v2s, v4s, vt40s, vt22s?
Is it possible to take a schematic of one of them and somehow change it to make it quieter?
And Would a parametric filter get close to the rocker switchers on it?
You could get either of the combos for the JCM2000, theyre called the dsl-201 and dsl-401 and can be had for a pretty good price. As for the other amps you mentioned: