[SomeGeoffGuy]

Originally Posted by BuffaloBill

Systems consisting of big powerful amplifiers and ordinary low efficiency direct-reflecting speakers have the highest level of distortion.

https://www.audioholics.com/audio-am...lifier-classes

I finally made it through Op-Amps. Wow. Going through the McIntosh schematics is a whole new ballgame now. Still trying to find a class in tubes - turns out that not many places teach that any more! That is a good summary you posted, though, thank you.

-Geoff