Amplifiers are rarely used at full volume, though. In that instance any energy not used to work the speakers becomes heat, and there lies the issue for Class A designs. Class A operation ensures that ...

Articles Fear and Loathing in Class D Amplifiers: What $130 to $50K Actually Buys You Class D amps from $130 to $50,000—pulling more ears into hi-fi without demanding you sell a kidney. Solid tech, ...

Class-D audio amplifiers are power efficient, but do not beat, or even match, well-designed Class-AB and Class-A amplifiers on many other specs. This said, Delft University of Technology, working with ...