MrBigs63' Posted March 9, 2013 Report Share Posted March 9, 2013 I am fairly new to porting boxes. I just built a box for my Obsidian 18 from the help of you guys, I need to know now what amount of port per cubic foot I need for an e-15 to be tuned around 35hz. The box is going in a crew cab pickup. The box is a wedge design, and it goes in the middle of the seat with the sub on the slanted part between the front seats. The port fires up at the back of the box where it meets the back of the seat. The bottom of the box is 26.5in X 16in inside dimensions. The box is 18.25in tall inside dimension. The top is 22.5in X 16in inside dimensions. Link to comment Share on other sites More sharing options...
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