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Message: <blockquote data-quote="JLashhhh" data-source="post: 6244918" data-attributes="member: 613103"><p>so i built my own ported box for one alpine type R 12" the box has 2cubic feet of air and its tuned at 35hz. I constructed this out of 3/4" MFD board. its held together by some wood glue 1 1/2inch dry wall screws ( may be 2" im not sure) and all the seams are sealed with wood putty. so basically the problem im having is when my sub hits hard it makes like a creaking noise ( not cracking ) basically the kinda noise a old hardwood floor usually makes when you step on it. Any ideas whats causing this and how to fix it?</p></blockquote><p></p>

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