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Message: <blockquote data-quote="pj_chevy03" data-source="post: 588531" data-attributes="member: 555301"><p>also is 36 in. long for the port length with a port area of 1.75 x 12.5 correct for a 1.5 cu.ft. box tuned to 29hz with the above drawing. I'm not sure with how long it should be because i dont know if that is a slot port or not and whether to put the height as 1.75 or 12.5 or whether to put the width as 1.75 or 12.5 in the port calculator on carstereo.com. when i switch the height and width number there is like a 6 in. difference in port length. which is right?</p></blockquote><p></p>

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