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Message: <blockquote data-quote="mecaspl151" data-source="post: 6200454" data-attributes="member: 609492"><p>does a shorter port produce more spl mine is 21.5"deep tuned to 32hz but lets say i cut it down to 16" this will raise my tuning 4hz to 36hz will i notice a incress on the tl and about what will the gain be think it will pick up a few tenths or nothing i know i cant tell much till i try but the comp is tommorrow and if its not worth the time i will wait till i can do some testing any help please</p></blockquote><p></p>

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