I have used, on my Rega P-9 with Benz Ref silver mc, the stock felt, Audioquest sorbothane mat, and the regular (not anniversary) Ringmat. I have used the Audioquest sorbothane mat for over a decade, but now prefer the Ringmat.
The Ringmat is a tad leaner in the upper bass, but is "faster", a little crisper and a little more detailed from mids to highs than the sorbothane. Both are better than the stock felt. Overall I think the Ringmat is an improvement over stock and recommend it. with ONE condition:
I have several speakers I use on my LP system, when I hook up my big JBL L-200's (15" drivers) a howling acoustic feedback occurs around 250-300 hz or so, apparently resonating the hollow area under the Ringmat's paper and cork. I have never experienced this with any other mats, but it is just with this speaker, which plays VERY loud and forcefully.
The Ringmat is a tad leaner in the upper bass, but is "faster", a little crisper and a little more detailed from mids to highs than the sorbothane. Both are better than the stock felt. Overall I think the Ringmat is an improvement over stock and recommend it. with ONE condition:
I have several speakers I use on my LP system, when I hook up my big JBL L-200's (15" drivers) a howling acoustic feedback occurs around 250-300 hz or so, apparently resonating the hollow area under the Ringmat's paper and cork. I have never experienced this with any other mats, but it is just with this speaker, which plays VERY loud and forcefully.