Tone Arm


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Tone Arm

 

a component of the sound pickup that holds the pickup head and makes possible movement of the head from the edge of a phonograph record to its center.

A tone arm is usually a hollow metal rod. The pickup head is mounted on one end of the rod; the other end is equipped with a stalk that is used to rotate the tone arm in the vertical and horizontal planes and a counterweight that is used to adjust the pressure exerted by the pickup on the record groove. A special device ensures the smooth lowering of the pickup head onto the record.

REFERENCE

Apollonova, L. P., and N. D. Shumova. Gramzapis’ i ee vosproizvedenie. Moscow, 1973.
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the stylus jumping grooves at crucial dynamic passages, and the fact that the Rotel, like the best of the lot, doesn't retract the tone arm when it reaches the innermost grooves of the LP.
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