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Vibration Isolation

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
 
diverlou
geoffkait's avatar
geoffkait
23,365 posts
 

By my calculation 800 pounds would be required to optimally load 4 pads, assuming the calculations in the previous post are correct. 
ghosthouse's avatar
ghosthouse
4,306 posts
 
Agreed. Use of 3 pads and only partial placement (e.g., 1/3 - 1/4) of a pad under the equipment will help move things in the right direction when used with gear that isn’t super heavy. Even so, the optimum load for 3 pads each placed only 1/3 of the way under a piece would be 200#.
cal3713's avatar
cal3713
1,421 posts
 
Has anyone tried cutting in half? Presumably less material means less load support?
sgordon1
425 posts
 
Yes, use a circular saw, carefully, to resist the "pulling"
of the rubber.  Use tongs, or a vise, to save your fingers.

The results?  Spectacular.  Now you'll have to re-evaluate:
in any given application, which sounds better, a half
square or a whole square?

Nice problem to have.
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