preamp

(redirected from pre/pro)
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Related to pre/pro: quid pro quo

pre·amp

 (prē′ămp)
n. Informal
A preamplifier.

preamp

(priːˈæmp)
n
(Electronics) informal a short form of preamplifier

pre•amp

(ˈpriˌæmp)

n.
a preamplifier.
[1955–60; by shortening]