I have used the Mystic Mat and have had good results, but record mats are turntable and system dependent.
In my system and with my turntable, the music was more dynamic and the backgrounds became blacker with instruments better located in the sound stage, & bass improved. Other folks with the same turntable and electronics heard similar changes to their systems but didn't care for the over all presentation.
I am sure they are still available, carbon fiber is expensive right now due to world wide shortage of the material and they were always quite expensive anyways.
Look an Audiogon for a used mat and try it, if you don't care for it in yoru system, you should be able to sell it for close to what you paid for it.....
In my system and with my turntable, the music was more dynamic and the backgrounds became blacker with instruments better located in the sound stage, & bass improved. Other folks with the same turntable and electronics heard similar changes to their systems but didn't care for the over all presentation.
I am sure they are still available, carbon fiber is expensive right now due to world wide shortage of the material and they were always quite expensive anyways.
Look an Audiogon for a used mat and try it, if you don't care for it in yoru system, you should be able to sell it for close to what you paid for it.....