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<blockquote data-quote="pmpdoutaltima" data-source="post: 225732" data-attributes="member: 546694"><p>ok I want more spl out of my system so I need to know how long my port needs to be. My box is 4.6 cu.ft. before displacement, its for 2 Memphis PR 12's and the port is 4 inches in diameter. What length should it be and what would it be tuned to. Its gonna be powered by a Profile CA800, so 600w x 1 RMS. Any help appreciated.//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p></blockquote><p></p>
[QUOTE="pmpdoutaltima, post: 225732, member: 546694"] ok I want more spl out of my system so I need to know how long my port needs to be. My box is 4.6 cu.ft. before displacement, its for 2 Memphis PR 12's and the port is 4 inches in diameter. What length should it be and what would it be tuned to. Its gonna be powered by a Profile CA800, so 600w x 1 RMS. Any help appreciated.[IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]
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