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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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Re: Man oh man

Posted by bdiament on August 12, 2003 at 13:26:31:
Hi Vinnie,
"...do I really need a piece of ply wood on top of the tube? I ask this because the bottom of my amp chassis is all flat, so it should be able to rest on the tube without the ply wood. Plus, maybe the ply wood adds different resonant effects?
I use the plywood to support my Hip Joints^© roller bearings, which I'm using in conjunction with the inner tube air bearing. I find the 1" maple ply to be less damaging to the sonics than MDF or other materials I've tried so far. (My setup is shelf/inner tube/plywood "platform"/Hip Joints^©/component.)
If you're using an air bearing without roller bearings, give it a try and see. As David said: "The inner tube resting against the chassis will damp vibration in the chassis itself to a degree...". One consideration though, might be heat from the amp. Wouldn't want the bottom of the chassis marred by residue from the inner tube.
If you try any of this, please post what you hear.
Happy Listening!
Barry