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How do you deal with vibration?

Greetings all,

Many of us work very hard to keep vibration out of our equipment. I was hoping we could share our experiences with each other. I was wondering what other DIY methods people are using?

I personally have had good luck with shipping open cell foam under plywood. I find that about 60-70 percent compression works best. I place the foam underneath some plywood (Using spruce 3/4 inch). Then I place the component on the plywood. However, I think this more isolates the component from outside vibration. I don't think it does much to drain internal vibrations, especially in a CD transport.

Also I can not find open cell foam in town any more. I am ashamed to say that I actually went to Wal-mart to buy some. Now they don't carry it any more. So I was wondering where else I can get some?

I am currently thinking about building a Sandbox for my CD player and amp. Then putting the sand box on top of some sort of isolation material (open cell foam or cork rubber etc.) My thoughts are the foam or cork or etc should help keep the vibrations from getting into the equipment and the box should drain the internal vibrations.

Also, what are peoples experience with different woods. I live in BC so I can get most wood fairly cheap. I imagine every wood has it's own sonic signature due to it's resonant frequency. What works best? Solid maple, birch ply, MDF, walnut, mahogany etc...?\

Anyways, feel free to through ideas and experience (both good and bad) out there. It would be good to know what works and what doesn't.

Happy tweaking,
Nick
nickway
sol322
426 posts
 
Sharing a experience
A friend (non audiophile) bought a Denon 2900 and put it on the top of his no-name rack where his Denon receiver was.
He had an "av joe room", i.e. just set the speakers more or less in a triangular way ref to his seating position and that was it, no accoustic treatment, no power treatment etc.
I helped setting the HT stuff in the menus etc.

We were listening to music (redbook) and then I paused the player and placed it on brass cones (seating position was lower than rack so he couldn't see under the player and I blocked his view). Sat down and pushed "play". He immediately was puzzled and asked me :WHAT DID YOU DO? THE SOUND IS RADICALLY IMPROVED!!!

FWIW Even in this "worst case scenario" his "untrained ears" noticed the improvement.

Happy listening
Luis
Post removed 
davewav1
47 posts
 
diy arios plans are free on audioasylum.com tweakers/diy

enjoy
dave
pbb
1,140 posts
 
JD, I have not ridiculed anyone. For the record, once more: I think people are free to believe anything they want when it comes to how they wish to isolate any part of their system. I draw the line at wasting money and wasting time (which, as Americans have often told us is the same thing). Am I my brother's keeper? To some extent, I guess, and is that not the whole point of exchanging ideas on sites such as these? I have tried the bicycle inner tube under the CD player trick and can, without hesitation, tell you that it had no effect whatsoever. I have old Audio Technika feet under my CD player now, but am sure that I could dispense with them without missing anything. I have soft hockey pucks under most of my components but honestly, aside from the fact I like the looks, the only reason is that it allows for better air circulation and, I hope, better longevity. I bought soft door bumpers in white vinyl that I have under my ARC pre. Again, I could remove them and not miss anything. So as long as the darn things are cheap I play along some, based on the universal chicken soup can't hoyt law. Good evening.
twl
3,251 posts
 
Notice how well I've kept my fat nose out of this thread.
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