Home Tweakers' Asylum

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

Perfect isolation is not possible....

It's as simple as that. Due to that bugger we call gravity, our equipment must be coupled to the floor (or wall, or ceiling), even if vertical isolation is implemented between the equipment and floor. Since no isolation will ever be perfect in the real world, that means everything between your equipment and the floor will affect the sound of your equipment to some degree.

Further consideration will lead you to the fact that mechanical isolation devices are low pass filters, meaning they block high frequencies very well, but begin to become less effective as the frequency of vibration lowers. Given this, you want whatever is between your isolation device and the floor to have as high a resonant frequency as possible, and material choice is very critical here.

The other consideration is that not only do all materials have their own resonant frequency, but also their own sound (fundamental plus harmonics). The more you experiment with different shelving/rack materials, the more you realize that they imprt their own sound on your gear.

-Pete


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  • Perfect isolation is not possible.... - pburant 14:59:21 12/02/04 (0)


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