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> Preamplifier
A
preamplifier
is an
electronic amplifier
designed to prepare an electrical
signal
for further amplification.
Preamplifiers may be:
in a separate housing.
incorporated into the housing or chasis of the amplifier they feed.
mounted in other items of equipment, such as
microphone
s and
electric guitar
s.
Examples are:
the integrated preamplifier in a foil electret
microphone
.
the first stages of an
instrument amplifier
.
an audio
mixing desk
.
a masthead amplifier used with
television
receiver
antenna
or a
satellite
receiver dish.
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