jeffrm Posted April 9, 2012 Report Posted April 9, 2012 ok what im trying to figure out is if i did a center port i know id have to make it so the port is half the width from back wall. ok so if my port needs to be 25in long total and it Ls off to each side do i make it 25 in down the center to each side or do i measure back from port opening to where the bend is and minus that from 25in, then whats remaining divide by 2 and go to each side that way? 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz
jeffrm Posted April 9, 2012 Author Report Posted April 9, 2012 I need to know about this so I can finish my design and build my box 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz
Joe X Posted April 9, 2012 Report Posted April 9, 2012 Measure along the middle of the duct and turn to either side, that needs to be 25 in your case, The shared port arguably is not as efficient as the L port.
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