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<blockquote data-quote="ciaonzo" data-source="post: 6428581" data-attributes="member: 607015"><p>OP is asking why two subwoofers might not combine in a constructive manner, not how one subwoofer's sound waves would combine once they traveled through a hole in a wall. Not the same thing at all.</p><p></p><p>To find whether or not any two drivers will combine in a constructive manner is as easy as taking a measurement between the acoustic centers of the two drivers and finding out the frequency at which that distance represents a half wavelength of that frequency. As long as you stay below that frequency, they will combine and play as a single source. If you go above that frequency, they will begin to interfere and go into comb filtering effects.</p></blockquote><p></p>
[QUOTE="ciaonzo, post: 6428581, member: 607015"] OP is asking why two subwoofers might not combine in a constructive manner, not how one subwoofer's sound waves would combine once they traveled through a hole in a wall. Not the same thing at all. To find whether or not any two drivers will combine in a constructive manner is as easy as taking a measurement between the acoustic centers of the two drivers and finding out the frequency at which that distance represents a half wavelength of that frequency. As long as you stay below that frequency, they will combine and play as a single source. If you go above that frequency, they will begin to interfere and go into comb filtering effects. [/QUOTE]
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