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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: support shelves posted by amos on January 14, 2003 at 11:40:53:
If you are considering material for a support structure, then light and stiff is what you want. Particularly, a supporting structure such as a rack or shelf should have as high a resonant frequency as possible. The higher the resonant frequency of supporting structures, the smaller the amplitude of any vibrations inside that structure will be, and higher frequencies are also easier to filter out between the structure and the equipment.MDF is neither light nor stiff. MDF is well damped, but stiffness is much more important than well damped in supporting structures. I must admit that I have a fair amount on MDF in my current setup, but I plan to change that in the very near future.
Ideally, electronic components should be isolated as much as possible from supporting structures. Pneumatic suspensions tend to be the best isolators, but elastomers can also be used effectively. A partially inflated innertube is a combination of pneumatic and elastomer suspensions and can be used very effectively. An innertube will provide quite a bit of horizontal isolation in addition to it's excellent vertical isolation (but of course stability can be an issue, so it's not for everyone).
Here is an old, yet quite interesting article on vibration as it relates to audio equipment. The article is a bit long, but I think many people would get something useful out of it:
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Follow Ups
- Think in terms of systems..... - pburant 08:47:31 01/16/03 (0)
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