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Acoustics question

Posted by Jim Austin on September 17, 2008 at 10:43:28

For you acoustics pros and wizards.

What's the best way to decouple a component from vibrations in the bass region--say, below 200 Hz?

I live in a concrete and steel building where the building resonates at low frequencies. This is pretty common I think. I can hear every note of the bass line of the music played by my downstairs neighbor, but hardly anything else. And I don't like listening to her bass lines. Also, if coupling to the structure is this strong--if that much energy is passing into the building--it can't be good for the sound, right?

So I'd like to come up with an easy, cheap solution that I can use myself and offer to neighbors to solve this problem. Obviously, there will be some coupling through the air, and there's probably not much that can be done about that. But it shouldn't be that hard to put something under the speakers, or the TV, or whatever's making noise, that would keep it from coupling directly to the building's structure.

What's the best approach?

Thanks,
Jim

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