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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: Re: You're right.... posted by Duke on April 5, 2007 at 16:46:37:
Okay, let's say you have a 20' room that has a 28Hz (40') standing wave. The bass is coming from the front, it bounces off the back wall. As it bounces, it's at the rarefaction stage. At the same time, the subwoofers are all beginning to reproduce the compression state of the 28Hz wave. So, the sub in the back is putting out a 28Hz compression that is lining up with a smaller 28Hz rarefaction and it cancels it, leaving only a little 28Hz energy. This works for lateral and vertical waves because there is a "cancellation" device at every room boundary. Of course, there are other ways to do it and this may not be the best since I haven't tried it, but just a theory I have. Not quite the "active cancellation" I have, but I'd be curious if someone has ever tried this.
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Follow Ups
- Re: You're right.... - John Ashman 08:52:58 04/06/07 (1)
- Re: You're right.... - Duke 00:30:12 04/08/07 (0)
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