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preamplifier

[ pree-am-pluh-fahy-er ]

noun

  1. a device in the amplifier circuit of a radio or phonograph that increases the strength of a weak signal for detection and further amplification.

preamplifier

/ priːˈæmplɪˌfaɪə /

noun

  1. 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 amplifier Sometimes shortened topreamp
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of preamplifier1

First recorded in 1930–35; pre- + amplifier
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Compare Meanings

How does preamplifier compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Audio interfaces combine many critical components in a single unit including analog-to-digital conversion and preamplifiers.

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