| 摘要 |
A tone arm assembly in which an upper plate is given added strength by providing it with apertures only in the region of the drive motor and the tone arm support shaft without the need of a long aperture to accommodate the entire tone arm assembly. The tone arm shaft is rotatably supported through a first rotatable member onto a second rotatable member and finally to a vertical support shaft. A connecting member and weight shaft are detachably coupled to the first rotatable member through damper means. Prior to attachment of the connecting member and weight shaft, the tone arm shaft can be rotated in a vertical plane through an angle of approximately 100 DEG .
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