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Message: <blockquote data-quote="jose_hdz646" data-source="post: 7270967" data-attributes="member: 631286"><p>i wanna build a spl port and daliy use port and i wanna use the ports that come out of the box and make with 3/4 mdf wood and when i go to competitions just bolt it on, but first how would i caculate the length of a port like that? i wanna use a square port just keep it simple and on the spl port how many htz should i tune it to? does higher herts mean higher decible readings? and its for one sub only please someone help i know how to make a sub enclosure and caculate the port and everything else just how do you caculate the port length when its coming out of the box</p></blockquote><p></p>

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