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

certainly not my experience ...

>>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.<<

(assuming that the armboard is directly coupled to the plinth, and that no compliant material is used)

Although material composition can and does effect transmission, since motor noise remains a constant, no material I've heard has changed or dissipate it to nearly the degree in which I considered it "isolated" or "dissipated". Even the amplitude remains relatively consistent, in other words, if you put the steth near the motor, then away at the armboard, you're basically going to hear identical motor noise.

I've heard this behavior - consistently - with a variety of 'tables ... many using different materials. In fact, the hardest lightest materials types (which I use and think sounds best for any armboard) tend to transmit noise without any hesitation. Even 'tables that use outboard motor pods (claiming motor noise isolation), if the motor is noisy, that noise will STILL travel and be heard within the turntable.

And yes, you can hear amplitude differences, frequency changes, resonance effects, dissipation, isolation, and a host of "noise" issues ... using a good steth.

Without one, my table wouldn't be nearly as refined.

tb1


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