I came across these the other day and for the price I couldn't pass up trying them. I've spent as much as $75 each for vibration isolation pucks and seen pucks going as high as $900 each. I have to say that these $0.62 wonders work as well as anything I've tried and much better than the cork ones I've seen advertised for $6-$7 each. Even though my VPI turntable has factory cones and feet I did notice an improvement in smoothness and clarity. Too few bargains in high end audio not to share. I now have these under my monoblock amps, turntable and turntable motor. Hope this helps someone looking for an inexpensive way to dampen vibration. https://www.supplyhouse.com/DiversiTech-MP-2E-EVA-Anti-Vibration-Pad-2-x-2-x-7-8
I use similar things under an isolation platform my phono stage sits on, it sits on Polycrystal cones, though. Every piece of equipment I have sounds best in my system with different cones under it. Polycrystal is quite versatile.
These are what my local stereo sold me. At $4/each. I use them along with a second tool. Walmart replacement tire tubes. Size 12.5". Cost $4.50 ea. That I have under the Oppo CD player. The retailer I mentioned that is here locally uses it under his turntable. That failed for me however.
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