Definitions for audio amplifier
This page provides all possible meanings and translations of the word audio amplifier
an amplifier that increases the amplitude of reproduced sound
Audio power amplifier
An audio power amplifier is an electronic amplifier that amplifies low-power audio signals to a level suitable for driving loudspeakers. It is the final electronic stage in a typical audio playback chain. The preceding stages in such a chain are low power audio amplifiers which perform tasks like pre-amplification, equalization, tone controls, mixing/effects, or audio sources like record players, CD players, and cassette players. Most audio power amplifiers require these low-level inputs to adhere to line levels. While the input signal to an audio power amplifier may measure only a few hundred microwatts, its output may be tens or hundreds of watts for a home system or thousands or tens of thousands of watts for a concert sound reinforcement system.
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"audio amplifier." Definitions.net. STANDS4 LLC, 2014. Web. 30 Jul 2014. <http://www.definitions.net/definition/audio amplifier>.