audio-frequency amplifier

audio-frequency amplifier

[′ȯd·ē·ō ¦frē·kwən·sē ¦am·plə‚fī·ər]
(electronics)
An electronic circuit for amplification of signals within, and in some cases above, the audible range of frequencies in equipment used to record and reproduce sound. Also known as audio amplifier.
References in periodicals archive ?
For the audio-frequency amplifier, AM-1780C/VRC, NSN 5996-01-520-5679, you need mounting hardware.