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In Reply to: REVIEW: Audiokinesis The Swarm Speakers posted by Mickey Bob on April 2, 2007 at 19:21:33:
Looking into things a bit further, the woofer is 6.5" diameter. Four of these would add up approximately a 12" driver. Rulers can sometimes come in handy, as this was not a subtle difference.One of Earl Geddes' relevant papers can be found at http://www.gedlee.com/downloads/sub study .pdf
Some of the underlying assumptions may be flawed, however. Incidentally, you should try to have one of the drivers near the ceiling. Good luck with that.
Again, the dimensions of your room are INTENSELY problematic.
Follow Ups:
Placing one subwoofer near the ceiling is optimal but not essential to reap benefits from the scattered multiple subwoofer configuration.In my little subwoofer modules, the driver and port are both on one of the 20" by 9" enclosure sides, one at the top and one at the bottom, with the terminals in between. I recommend placing two of the enclosures woofer-on-top, and two port-on-top. This gives a little bit of staggering in the vertical plane - not as much as placing one module near the ceiling, but still better than none at all.
Although I didn't do this in the set Mickey Bob had, the port tuning frequencies will be staggered a little in the production version.
Hmmm. Will trying posting that link again
Ah, didn't see Duke's contribution until after posting mine. That clarifies the driver question.
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