Typically built into an audio or A/V receiver, phono preamps also come as external devices for units without phono inputs as well as for audiophiles who want the highest-quality restoration.

You've learned that something's missing from your turntable, amplifier, or powered speakers — something called a phono input, phono preamp, or phono stage. Here's the deal: a turntable's ...

In either case, the arm acts like a vibrating magnet. Earlier phono cartridges were ceramic and used the piezoelectric effect to create the electrical signal. The cantilever end of the stylus arm ...