What is a preamplifier?

Answer A preamplifier prepares sound for output into a stronger amplifier and controls tone, treble and bass. Preamplifiers are used on CD players, electric guitars and anything else that outputs sound el... Read More »

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What is a differential preamplifier?

A differential preamplifier measures the small voltage difference between two input signals. The circuit works by using an operational amplifier that accepts input signals at both its inverted and ... Read More »

What Is a Phono Preamplifier?

Turntables need a phono preamplifier to boost volume and equalize sound. Add an external phono preamplifier if your unit doesn't have one built in, or to obtain a higher-quality sound from your LPs.

What is a microphone preamplifier?

Preamplifiers are voltage amplifying devices used for microphones. Their main function is to increase the low voltage conducted from a standard microphone to an acceptable level for recording or li... Read More »

What is a preamplifier for a 10 meter ham radio?

A preamplifier for a 10 meter ''ham,''' or amateur, radio is a device that amplifies a low-level audio signal (such as a microphone) to a line-level signal signal for use with the ''ham'' radio.R... Read More »