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Speaker-room suckout and other tidbits.(Skeptimania)

Sensible Sound

| April 01, 2004 | COPYRIGHT 2004 Sensible Sound. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

I've mentioned this before, but I will mention it again: in typical home-listening rooms, spaced-apart woofer (or subwoofer) systems will generate a cancellation notch at some bass frequency that is dependent upon both the distance between woofer (or subwoofer) driver centers and the frequency. Depending upon the spacing between the systems (between woofer or subwoofer driver centers), at some bass frequency the rarefaction wave from one woofer or subwoofer will reach the other woofer or subwoofer just as it is generating a pressure wave. (More on this up ahead.) The two cancel out and you get a power-response notch. There is no way to get away from this with spaced ...

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Source: HighBeam Research, Speaker-room suckout and other tidbits.(Skeptimania)