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Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ.

RE: Why turntable bearing shaft and spindle machined as one piece?

You seem to be implying in your diatribe of a question that we all know the answer yet nobody is willing to discuss the matter with you. It might just be that nobody knows the answer and/or nobody really cares. I'm kind of on the side of not caring because I'm perfectly happy with the design of my platter/bearing/spindle.

If I did care about it, I believe it's better to have the spindle and bearing machined as a single piece because I believe it will absorb and damp unwanted vibrations better and thereby produce lower overall noise. Anytime you have a discontinuity, vibrations tend to be reflected at the boundary instead of being absorbed and damped. Modern high-tolerance platter bearings will absorb and damp vibrations generated by the stylus tracing the groove while introducing negligible noise of their own into the system. After all, the bearing is spinning at only 33-1/3-rpm and can be made to operate basically noise free.

Anyway, that's my opinion on the subject and that's why I use a spindle clamp on a turntable having vacuum suction to hold the LP tightly against the platter. To each his own!




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