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

RE: bearing and/or motor noise can't be dissipated or eliminated by the armboard ...

Yes, the noise you hear with your stethoscope at the armboard will remain a constant. My point was that it is induced in the armboard by a fraction of the energy that was put into the plinth from the bearing and motor. Most of the energy was dissipated as heat or reflected back into the plinth at the armboard/plinth interface, on its way to the armboard. However, that fraction can vary depending upon the material composition of both the armboard and the plinth. That was my point.

There is a whole school of thought that says the bearing and the arm mounting should be as firmly coupled as possible, with therefore no discrete armboard per se but a continuous structure between the two. My Kenwood L07D is built that way. It is supremely "quiet", which I think indicates that the arm and platter are in near perfect synch when it comes to vibrations. Plus of course the rest of the heavy CLD plinth is there to sink vibrations as much as possible.


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