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Power Amplifier

A power amplifier is the workhorse of an audio system. Unlike a preamplifier that deals with relatively weak signals, a power amplifier's main function is to significantly boost the power of an electrical audio signal to a level that can drive loudspeakers and produce audible sound.
A power amplifier is the workhorse of an audio system. Unlike a preamplifier that deals with relatively weak signals, a power amplifier's main function is to significantly boost the power of an electrical audio signal to a level that can drive loudspeakers and produce audible sound.
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