Home Tweakers' Asylum

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

You owe it to yourself....

to do some experimentation with vibration management. It's clear from your post that you probably have no experience with this and your opinions are not formed from direct experience.

Some people do exaggerate the effects of vibration management, but some people exaggerate the effects of anything. That is why you always, and I mean ALWAYS need to put a poster's comments in context - you have to keep in mind that one man's "night and day difference" is another man's "slight change." Everyone's reality is different, and not everyone uses the same scale for making comments on the things they hear.

As you stated, it's not possible to have a vibration free rack, and that's why isolation is often implemented between the rack and component.

A proper vibration management scheme will address airborne vibration, as well as vibration generated by the components themselves (such as a spinning transport). Do note that floorborne vibration is far greater in magnitude than aiborne vibration, and also happens sooner relative to the original signal that caused the vibration than airborne vibration (since sound travels much more quickly thru solids than air). Therefore, even if airborne vibration is not addressed at all, there is still much to be gained by properly isolating from floorborne vibes.

BTW - I agree with Al's post above - the best shelf is no shelf. I use a shelfless rack of my own design/construction, and a combination of roller bearings and constrained layer platforms to isolate my components from the rack (and each other). The platform helps to absorb self-generated and airborne induced vibes.

-Pete


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