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Speaker shock absorbers

From time to time people have posted different methods for mechanically decoupling their speakers from the floor to reduce vibration. Some of these have involved using a ply system of rubber strips and wood strips, which seems reasonable to me. I have looked for suitable sized sections of rubber or even for large sheets to cut up but have been unsuccessful. To those who have used that method -where did you find the material and what thickness of rubber and wood did you use for each layer - finally how many layers did you end up using?
musicnoise

Showing 2 responses by newbee

newbee
4,816 posts
 
Well, I can recommend Hockey pucks, a very hard rubber, that I think has worked for me. Cheap! And will maintain speakers inherrent stability.

Now for something a bit more absorbent, are sheets of heavy rubber pads, made I think from recycled rubber, which are primarily intended for garage floors. Very dense and heavy. Trimmed to the size of the bottom of your speaker I doubt that they would alter the stability of the speaker and I'm confident they would be great for isolation in a speaker/floor interface. FWIW, I've started using sheets of this stuff under components which don't use bottom ventilation. So far as I can tell it works very well (I've used sorbothane in the past, and still do).
I got mine from Home Depot - cost about $35 for 6 18" squares (I trim of the interlocking tabs and end up with 14" squares).

FWIW.
newbee
4,816 posts
 
Musicnoise, some of what you are feeling is the result of airborne bass soundwaves, not necessarily as a result of the speaker/floor interface. And airborne soundwaves, especially bass ones are tough to deal with unless you have sound absorbers of some sort in the room, the the sound absorbers for bass would have to be huge. FWIW.
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