SRA Silent Running Audio vs Critical Mass System


I want to know if somebody ever had the chance to compare those two isolation devices specially under amplifier (Lamm as exemple)?
Both are expensive SRA is 850$ for each amp and CMS is 1800$ for each amp and i am talking of the basic line ...
CMS seem to be a new player who replace SRA as a partner with Lamm Industries.
Also the technological approach seem to be different ?
So is this worth the money for a 15% of sonic gain???
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It's been quite some time since I installed the stuff, but the most memorable thing for me was how authoritative things sounded after the upgrade. More body, more intensity. Not at all subtle in my experience. In fact, this is what I wrote to a fellow enthusiast on the subject way back when.

Crazy as it may sound; Codename Turquoise has given me my largest gain EVER in system resolution. The effect has proved extraordinarily potent in my setup which consists of a lightly modified Pioneer DV-47Ai DVD player, used as a transport, feeding an external DAC.

I am aware of, at most, two people that didn't care for the result in their system. Your odds of achieving a tremendous performance boost are great IMO. This product is easily the cost-to-benefit champion of all time.
I just listened to a pair of Atma-sphere MA-1's on SRA VR3.0 stands and was amazed at the difference they made. Although it is hard to equate the improvements in terms of percentages, I would say it is well above a 15%gain.
Rhythmace, true, true...it all gets more "quiet" doesn't it and lets the music get through much less impeded by tiny artifacts, foreign to music per se.
Detlof, it is amazing how we as audiophiles become accustomed to those artifacts that don't belong, however until something comes along that greatly diminishes them i.e SRA stands, we don't realize the full extent of how detrimental they really are. I'll be buying a pair for my Atma-sphere's.