amplificateur de basse-fréquence
- Domaine
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- électroacoustique
Termes :
- amplificateur de basse-fréquence n. m.
- amplificateur de l'audio n. m.
Traductions
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anglais
Auteur : Grenier, Jean-Guy,Définition
An amplifier having one or more electron-tube or transistor amplifier stages designed for amplifying an a-f signal. In a superheterodyne receiver it follows the second detector, and serves to amplify the a-f signal after demodulation. Also used seperately to amplify the a-f output of a microphone, phonograph, magnetic tape recorder, or other a-f signal source.
Termes :
- audio-frequency amplifier
- audio amplifier