god_speed36 Posted April 16, 2007 Report Share Posted April 16, 2007 I have 3 JL audio 10's, built a 4 cubic foot sealed box. now want to port it with two round ports. how long should the ports be? I used http://www.carstereo.com/help/Articles.cfm?id=31 and with 2 3" ports the length was 6.74 tuned at 33.4hz. does that sound about right? how many hz should it be tuned to? Link to comment Share on other sites More sharing options...
roscoe1129 Posted April 16, 2007 Report Share Posted April 16, 2007 that sounds good a little low but it will work great for a daily driver. you could do just one 4 x 4.8485 to get the same response, or a 4 x 3.25 will get u around 37 hz Some people need a sympathetic pat... on the head...with my hammer Scientia est Vox "In Nomine Patris et Filii et Spiritus Sancti" DONT BE AFRAID TO USE THE SEARCH BUTTON!!! SMD SUPER BUYER/SELLER Link to comment Share on other sites More sharing options...
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