noun Informal.
a preamplifier.
Also, pre-amp.

1955–60; by shortening Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To preamp
American Heritage
Abbreviations & Acronyms
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Meanwhile, an integrated preamp controls the volume of the signal in your monitor headphones.
The following preamp schematic is the original preamp.
The test yielded successful results allowing researchers to design a low-noise preamp that will help boost signal levels.
This preamp is frequently phantom powered in sound reinforcement and studio applications.
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