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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: You've heard the VPI and Grand Prix dd tt's? posted by HW on December 4, 2016 at 12:00:56:
I find this to be a very interesting subject about which I know only basics. When comparing solid state devices, like turntable drive systems, I would think that there are two possible ways in which a modern one should be superior to one that is 30 years old in design (the term "last century" loads the dice too much; after all, we are not talking about 100 years). (1) The modern design could make corrections much faster, by virtue of using faster transistors and/or op amps, and (2) the modern design could use brand new ideas about how to do the job of maintaining absolutely constant speed regardless of load variation, but still, in the end, speed has to be monitored somehow, and speed corrections have to be made once in a while, somehow. Can you say how the VPI DD turntable excels in these respects?
The L07D is nearly an opposite to the Mk3 in that it uses a coreless motor (vs the 24 pole motor in the Mk3) and speed corrections are deliberately kept at a minimum, whereas the Mk3 servo is always "working". The L07D seems to depend more upon platter inertia to maintain exact speed. I grew to believe that coreless motors are superior for DD, all other things being equal. Like I said, this is based only on my superficial knowledge and my ears.
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- Drive Systems - Lew 17:44:01 12/04/16 (0)
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