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port length for box
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<blockquote data-quote="acold7dusta" data-source="post: 2093219" data-attributes="member: 567993"><p>Im making a vented box for my friend in a '93 explorer, and the external dimensions are 11 x 19 x 41 (height x width x depth) comes out to ~3.8 cu ft total) this is for 2 older rockford fosgate 10" punch HE's. if the vent is in the middle, how wide and how long should the ports be if I want it tuned to ~30hz?</p><p></p><p>thanks,</p><p></p><p>kev</p><p></p><p><strong>EDIT: PICS ARE A FEW POSTS DOWN, AND GOING TO USE THIS AS A WORK LOG</strong></p></blockquote><p></p>
[QUOTE="acold7dusta, post: 2093219, member: 567993"] Im making a vented box for my friend in a '93 explorer, and the external dimensions are 11 x 19 x 41 (height x width x depth) comes out to ~3.8 cu ft total) this is for 2 older rockford fosgate 10" punch HE's. if the vent is in the middle, how wide and how long should the ports be if I want it tuned to ~30hz? thanks, kev [B]EDIT: PICS ARE A FEW POSTS DOWN, AND GOING TO USE THIS AS A WORK LOG[/B] [/QUOTE]
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