This post focuses on the basics of the differences between various amplifier (and preamplifier) types, namely class A, B, and AB.
When we first start out learning about audio equipment, there’s an awful lot of terms to sort through. One in particular that escaped me for years was what exactly the various ‘classes’ of amplifiers amount to. You hear ‘Class A’ thrown around quite a bit in the preamp industry. What does it mean?
