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Message: <blockquote data-quote="tanky321" data-source="post: 1610140" data-attributes="member: 567020">Im trying to design a bandpass for my two 12 W/0's. Its going to be a trichamber design like in my other post.  According to this guy <a href="http://www.diysubwoofers.org/bnd/trichamberbp.htm" target="_blank">http://www.diysubwoofers.org/bnd/trichamberbp.htm</a>the vented chamber should be twice the size of the vented chamber calculated for one driver. Winisd tells me that the vented chamber for one driver should be  2.048 ft^3 and the sealed should be 3.211 ft^3. That means the total sealed plus the total 2 vented sections will be 11.238 ft^3! That sounds ridiculously big, and i dont know how to do the calculations by hand. Help!</blockquote>

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