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Message: <blockquote data-quote="VWBobby" data-source="post: 7517985" data-attributes="member: 624844">Assuming that the square cones are rigid enough to not flex under normal use, the square cone sub would displace more air.Displacement, box and port design, the stacking of sound waves, etc. - all have an effect of your actual SPL output.It is not as simple as Displacement = SPL, like one would be led to believe.  However, if the motor is the same on both subs, and the weight of the cone + suspension design is similar - the square sub should outperform the round one.Only real world testing would determine which is better for SPL.</blockquote>

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