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Class a
A power amplifier in which a sufficient DC bias voltage is applied to the power transistors so that the output signal always operates entirely in the positive or negative part of the cycle, entirely avoiding crossover distortion. This makes them quite wasteful of power since even at idle a considerable voltage is being generated. The DC bias is filtered out before being fed to the speakers.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Consumer electronics
- Category: Home theatre system
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