tone arm
tone arm
tone arm
tone′ arm`
or tone′arm`,
n.
Noun | 1. | ![]() |
单词 | tone arm | |||
释义 | tone armtone armtone armtone′ arm`or tone′arm`,n.
Tone ArmTone Arma 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. REFERENCEApollonova, L. P., and N. D. Shumova. Gramzapis’ i ee vosproizvedenie. Moscow, 1973.tone arm
Synonyms for tone arm
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