What makes an amp Class A, A/B etc,


I was wondering,

What makes an amp Class A, A/B and other designation, and do these ratings apply to Pre-Amps and Phono sections ?

Thanks for this and other comments to past queries here on the forum.

Best Regards
Groovey Records

Listening to
Tyranasaurus Rex-Prophets, Sages, Seers and Sages. The Angels of the Ages
Fly Records Reissue Toofa 3/4
groovey

Showing 1 response by gregadd

Markphd- a furhter definition of CLass AB is that it runs in class A for the first watt or so where most of the music is.