preamplifier
[ pree-am-pluh-fahy-er ]
/ priˈæm pləˌfaɪ ər /
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noun
a device in the amplifier circuit of a radio or phonograph that increases the strength of a weak signal for detection and further amplification.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for preamplifier
preamplifier
/ (priːˈæmplɪˌfaɪə) /
noun
an electronic amplifier used to improve the signal-to-noise ratio of an electronic device. It boosts a low-level signal to an intermediate level before it is transmitted to the main amplifierSometimes shortened to: preamp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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