Because they are extremely inefficient. Most amps are class A,B, or A/B which iirc only output something like 30% of the power they use to the speakers. Class D and T? are much much more efficient ...

To solve this, class A and class B were combined to produce class AB, this is a class B configuration in which a masll quiescent current flows, causing the output stage to work in class A at low power ...

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

Looking for a home in DVD receivers and lifestyle micro systems where space is very limited, the TDA892x family of single-chip, class D audio amplifiers are said to be one of ...