[donsolo]

Honestly, just start reading about EE.

It's just that simple. You gotta learn what you're looking at. You gotta learn what the changes will do.

It's just shooting in the dark if you're just replacing stuff ad nauseum.

I mean, there's many many factors that could cause the behr pres to suck so bad.

There could be cheap capacitors (probably) crappy op-amps (definitely) it might be class B...(can't really change that easily)