[ScottW]

"William Sommerwerck" wrote in message
. ..
OK, so you get substantially all unwanted acoustic energy
out of the vinyl and into the platter by matching the acoustic
impedance. But where does it then go?

What a load of crap. Guffaw.

I've got a great suggestion for you. Replace the coax that connects your
cable system to your TV with coax having a significantly different
impedance. What do you see?

The mechanical principle is exactly the same as the electrical..

That may be....but clamping a rough surface won't achieve
the coupling you desire. Far better to remove the source of
stimulation at the stylus.

ScottW