Anyone use a Ringmat on a TT

Would anyone recommend a Ringmat or a felt mat for an acrylic platter eg Clearaudio Emotion ?
Many thanks

Aceto: I was just asking questions about the differences between the AR and the Linn. I did not know if your LP-12 was a relatively "bare bones" stock model or a heavily updated model. I would have been curious to see how those two tables in base form compared to each other. Sean
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Sean wrote "no fancy packaging"
Sean-The packaging costs more to make than the ringmat!..You should see it! Thick,high gloss paper folder with sleeves.Vibrant colors,cool designs on it.Lots of inserts and included in one folder,the Ringmat!
I bought one several years ago,so maybe they have cut costs these days and just give you a generic folder,dont know.
I used it on my P-25 but I did not hear an improvment over felt.
Before I sent it back to Audio Advisor,I went to a hobby shop.I bought thick paper just like the ringmat,a sheet of cork the same thickness as the ringmat cork and a hobby knife.
3 hours later I had a diy ringmat that looked almost exactly the same as the big guy.
I tried my diy ringmat on my P-25 and got a noticable improvement in bass.Go figure.
Total cost <$5 but no fancy folder for it.

I'd like to add also.I had so much material left over I could have made 4 Ringmats for <$5

Sean...Ah. Too too long ago, and I never did compare the two before updating the Linn. I noticed that after moving to the Anniversary Ringmat, now I hear my fireplace rattling during certain loud passages. Oddly classical guitar drives the metal crazy. I cannot remember ever having isolation problems with the AR, but everything was different back then.