Audio amplifier

The audio power amplifier is used to amplify the power of the audio signal. The so-called power amplification is to realize the power amplification of the signal by first amplifying the signal voltage and then amplifying the signal current. Knowing how audio power amplifiers work makes it easier to learn about other power amplifiers. Traditionally, audio power amplifiers are also called low-amplification circuits (low-frequency signal amplifiers) The audio power amplifier amplifies the audio signal. In different machines, different types of audio power amplifiers are used due to different requirements for output signal power.

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