tuner

One that tunes.

A device for tuning, especially an electronic circuit or device used to select signals at a specific frequency for amplification and conversion to video, sound, or both.

One who tunes or puts in tune; also. one who makes music or sings.

Specifically One whose occupation it is to put musical instruments in proper tune and repair.

In organ-building, an adjustable flap or opening near the top of a flue-pipe, whereby the effective length of the air-column may be altered, so as to alter the pitch of the tone.

One who tunes; especially, one whose occupation is to tune musical instruments.

A person who tunes a piano.

A device, electronic or mechanical, that helps a person tune a musical instrument by showing the deviation of the played pitch from the desired pitch.

On a musical instrument, a peg or mechanical device that changes the tension, and hence pitch, of a string.

The component of an audio system that receives radio broadcasts.