If you’ve ever glanced at the specifications sheet for an amplifier, one of the things you may have noticed is the amplifier’s class. Typically denoted by a letter or two, the most common amplifier ...

If you didn’t know better, you might think the phrase “class A amplifier” was a marketing term to help sell amplifiers. But it is, of course, actually a technical description of an amplifier that ...

This Audio Analogue is a splendidly rounded performer, sonically. It’s fantastic, if you can cope with the size, weight and heat Why you can trust What Hi-Fi? Our expert team reviews products in ...

If you own some of the very best headphones, you've probably encountered a really frustrating problem with mobile audio: many devices just aren't powerful enough to drive high quality headphones or ...

A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

There are two salient facts about Class A amplifiers: they are inefficient; they give the best possible distortion performance. The quiescent dissipation of the classic Class A amplifier is equal to ...