Listening to my second E Mat, placed Thursday between Richard Gray 240V/120V system transformer and Richard Gray 1200C front-end power supply, which supplies Wadia 861 SE/GNSC player that has one mat underneath.
If there is a "noise floor", the bottom just dropped out, revealing even more information, formerly hidden behind and between other information. Nuances of percussion, keyboard fills and voice harmonies are popping out all across the deeper and wider soundscape. Worn-out cliches, yes, but how else to describe it?