| distribution amplifier [´dis·trǝ`byü·shǝn `am·plǝ´fī·ǝr] ELECTRONICS A radio-frequency power amplifier used to feed television or radio signals to a number of receivers, as in an apartment house or a hotel. ENGINEERING ACOUSTICS An audio-frequency power amplifier used to feed a speech or music distribution system and having sufficiently low output impedance so changes in load do not appreciably affect the output voltage. |