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power amplifier

noun

, Electricity.
  1. an amplifier for increasing the power of a signal.


power amplifier

noun

  1. electronics an amplifier that is usually the final amplification stage in a device and is designed to give the required power output


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Word History and Origins

Origin of power amplifier1

First recorded in 1915–20

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Example Sentences

This thing here is the generator of those waves and a very heavy power amplifier.

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