Vibration Control

Put EVP isolation under turntable and subwoofer or mains Done!!

Nothing else needs these devices.., the sources main speakers and sub woofers and very sensitive playback … turntable nothing else 

Analogj why would you say ignorance. I would suggest that if you tried things on your system that you don’t know why that’s Ignorance.

there is a engineering rational for the reasons which were mentioned. So what’s the  premise that your cD transport would benefit from vibration isolation.