The Funk Firm Achromat is one of the greatest mats available. I have used it on high end Rega P10 and Linn LP12. It DOES a make a significant difference . Bass is tighter and the high notes clearer. The Linn dealer was skeptical and when he heard it he fully agreed that it made a great difference compared to the Linn felt matt. Same for the Rega. On top of it, it reduces static build up. Great product at an affordable price!