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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: RE: Why turntable bearing shaft and spindle machined as one piece? posted by caligari on October 24, 2016 at 08:26:37:
Several other turntables over the last few decades have mounted the platter on top of a smaller subplatter that is part of the spindle and bearing. (Now that I see the video, I understand better what you were talking about.) I think my old Thorens TD125 was like that, and there are more that I cannot name off hand, maybe including the original AR XA. If one were inclined to pick nits,one could say that since the actual platter has a large physical contact area with the carrier subplatter, spurious energy could easily be transmitted into it from the subplatter, using the method you seem to admire. The SP10 Mk2 bolts the "top platter" (in your parlance) to a smaller carrier, using 3 machine screws. This is good for structural stability but further enhances energy transfer, if one is terribly worried about that. On the maglev side, you are neglecting the Verdier, where the vertical suspension is entirely magnetic, and the massive magnets mostly interdict unwanted up or down motion of the platter that could effect VTA. Some love the Verdier, some do not. IMO, in a belt-drive, there is more issue with motor vibration being transferred into the platter via the belt, vs energy from the bearing friction.
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Follow Ups
- The Bergmann idea is certainly not novel - Lew 10:37:44 10/24/16 (2)
- RE: The Bergmann idea is certainly not novel - caligari 11:07:23 10/24/16 (1)
- RE: The Bergmann idea is certainly not novel - thekong 23:21:07 10/24/16 (0)
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