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Message: <blockquote data-quote="Trendkill" data-source="post: 3096325" data-attributes="member: 576786">Bump. I was thinking that I might be able to bring up the sub a bit to fit a port that would go down from the top of the box (to the right of the sub in the image) and then go under the sub.The part I'm really confused about is how big the port needs to be. I'm using WIN ISD to figure out the length for various opening sizes, and I noticed that the smaller the opening I make, the shorter the length needs to be. Why do people have such huge openings then? Like if I put in a 2"x15" (which looks like alot of the ones I see pics of on these boards)  opening for 28Hz, it says 45.18" for the length. Isn't that a bit absurd? Why wouldn't you just make the opening 2"x2" thus only needing 4.98" length? What am I missing/doing wrong?</blockquote>

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