noun
- electronic devices that amplify weak signals before they are processed by a main amplifier
Usage: technical; electronics
Examples
- The recording studio uses high-quality preamplifiers to boost microphone signals.
- Guitar preamplifiers help shape the tone before the signal reaches the power amp.
- These preamplifiers reduce noise while increasing signal strength.
- The audio engineer adjusted the preamplifiers to get cleaner sound.
- Modern preamplifiers often include built-in equalization controls.
- The turntable requires preamplifiers to bring the phono signal up to line level.