Audio amplifier with output power not sufficient to control a loudspeaker; circuit that prepares an audio signal for processing or further amplification.
1 The connecting cords between the preamp and the power amp.
2 All he's really sure of is that those records were almost as heavy as the preamp .
3 With my permission (Sadie just looked bewildered), he hooked up his Webcor phonograph and his dad's preamp to the school's PA system.
4 Focusrite established themselves as a manufacturer of high-end professional audio equipment including consoles and preamps .
5 Just so you keep everything steady, don't let the preamps or the scopes go off their zero adjustments.
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