08-09-11: Delamostre1That's a good start, and I see you have the thicker mat and a clamp. but here's what I'm talking about:
My Technics sits in hokey pucks as an "isolation" solution.
[img]http://img8.imageshack.us/img8/8235/p1050267.jpg[/url]
My Technics isolation setup
Everything you see underneath the turntable noticeably improved the sound quality. Getting RID of the Technics feet improved the sound as did adding the Vibrapod products. I'd used a smaller cutting board for the first 3 years, but replacing it with the massive cutting board made a big difference. Also note the wrapping around the tonearm.
The sorbothane mat (not visible under the LP), tonearm wrap, LPGear headshell, the isolation footers and the butcher block removed the harshness, brightness, and glare, replacing it with linearity. a lower noise floor, and with that, more inner detail and better dynamics.