noun
definition
A voltage amplifier for amplifying a low-level input signal; its output is the input to a higher-level amplifier.
Examples of preamplifier in a Sentence
The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier is very simple because it uses a very low-noise dual operational amplifier.
Receiver Single unit containing a preamplifier, a power amplifier, and a tuner.
The IS P5 preamplifier is required for transmission to the safe area through barriers.
Microphone Input The SWP123 includes a high quality microphone preamplifier and features an XLR connector for easy connection to low impedance, balanced microphones.
Line stage preamplifier Stage of a preamplifier which accommodates all sources other than a turntable.
The second channel can also be used with a suitable microphone preamplifier for sound measurements.