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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

Showing 3 responses by stehno

stehno
1,453 posts
 
Actually, some of you just might be amazed at what proper vibration control can do to the sonics.

But of course I use the word proper implying that, as with most things, there must an improper way as well.

There are two basic camps of vibration control, the isolation and dampening aka decoupling camp and the mechanical transfer aka coupling camp. And there is actually another camp which is a hybrid of the first two camps.

And there are 3 main types of vibration/resonance that will reek havoc on the sonics. 1. air-borne, 2. electrical / mechanical (internally generated), and 3. floor-borne.

Nickway made the statement, "many of us work very hard to keep vibration out of our system."

The important question to ask of course is which of the 3 main types of vibration reeks far more havoc than the other two?

Because 'working very hard' really should mean nothing compared to 'working very efficiently.'

-IMO
stehno
1,453 posts
 
Regarding civility, I thought Ohlala brought up a very valid and very basic point.

-IMO
stehno
1,453 posts
 
Oh how I wish I too were a relativist. Then I too would think we can all be right! Or was it wrong?

All I know is, I keep throwing my Jell-O against the wall, but it just won't stick.

I wouldn't be surprised if this thread is nominated thread of the year. Shoot I may even nominate it myself!

-IMO
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