(term) Class A

Discussion in 'Glossary of Terms' started by audiokid, Jun 9, 2010.

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  1. audiokid

    audiokid Chris Staff

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    A type of amplifier design where the output device is always on for both parts of a complete sinusoidal cycle. Class A is the most inefficient of all power amplifier designs, averaging only around 20%. Because of this, class A amplifiers are large, heavy and run very hot, due to the amplifier constantly operating at full power. The positive effect is that class A designs are inherently the most linear, producing the least amount of distortion and are thus often found in high-end audio equipment.
     
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