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preamplifier
(pre|amp¦li|fier)
Pronunciation:
/priːˈamplɪfʌɪə/
noun
an electronic device that amplifies a very weak signal, for example from a microphone or pickup, and transmits it to a main amplifier.
Derivatives
preamplify
verb
(
preamplifies
,
preamplifying
,
preamplified
)
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