Yevhen

What these generators are mostly about is mains voltages dropping waaayyy below the nominal value or increasing above certain levels (so...

I think it's bagging for the refresreshed electrolytic caps. This should reduce the 60Hz hum and it's harmonics

I have an old Mitsubishi DA-P20 preamplifier. It was part of a modular lineup of separate components. The preamp could be bolted onto...