Preamplifier meaning

prē-ămplə-fīər
An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.
noun
0
0
In a radio, phonograph, etc., an auxiliary amplifier for boosting the voltage of a weak signal before it reaches the input of the main amplifier.
noun
0
0
(1) In the hi-fi stereo and home theater worlds, a preamplifier accepts signals from audio and video sources and feeds them to the amplifier and screen. For details, see preamp.
0
0
A voltage amplifier for amplifying a low-level input signal; its output is the input to a higher-level amplifier.
noun
0
0
Advertisement