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Message: <blockquote data-quote="wenn_du_weinst" data-source="post: 7599511" data-attributes="member: 576676"><p>the force of the cone moving (which is what I meant by speed) will increase db's. There is a very detailed paper out on this but I can't find it. DD's bl and xmax are far less then the lms but a 9518 will kill the lms in spl. Same goes for the 5200 vs the 9500. I'm sure you already know mass times acceleration = velocity, which is what dd uses to create high spl. Also I have snapped tons of 12 spokes with my sigs I think I still have 2 or 3 broken ones. Problem with stamped steel is some one new might not know that the basket is bent out of shape if he blows a sub do to coil rub, where a cast basket it's pretty obvious that it's broke. I won't support motors in my box or use bracing nothing that will interrupt airflow is allowed inside my enclosures.</p></blockquote><p></p>

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