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<blockquote data-quote="B1GR3DDD" data-source="post: 8457655" data-attributes="member: 663137">Making a new post specifically about designing a box for this sub. So I want to make a center port design, if you saw other posts from me, for two HDS312&#039;s. First thing I did was take a look at the charts for a single sub in WIN ISD.This is for one HDS312 in a 2.35 ft.^3 box tuned to 34 Htz<img src="http://i1111.photobucket.com/albums/h468/lolcows69/Single%202.35ft3%20%2034%20Htz.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />I&#039;m no expert on charts, so give me some feedback on what you think of the results of that.Next up I put a box together quickly in SketchUp just to see if I was getting the design right. WIN ISD gave me 24.2 inches for port length, so that&#039;s what I&#039;m using for now.<img src="http://i1111.photobucket.com/albums/h468/lolcows69/1St%20Box%20Design.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />I measured the length of the port from the center, following it down around the corners.How does it look? Is there anywhere I screwed up in calculations that needs to be fixed (probably)?</blockquote>

[QUOTE="B1GR3DDD, post: 8457655, member: 663137"] Making a new post specifically about designing a box for this sub. So I want to make a center port design, if you saw other posts from me, for two HDS312's. First thing I did was take a look at the charts for a single sub in WIN ISD. This is for one HDS312 in a 2.35 ft.^3 box tuned to 34 Htz [IMG]http://i1111.photobucket.com/albums/h468/lolcows69/Single%202.35ft3%20%2034%20Htz.png[/IMG] I'm no expert on charts, so give me some feedback on what you think of the results of that. Next up I put a box together quickly in SketchUp just to see if I was getting the design right. WIN ISD gave me 24.2 inches for port length, so that's what I'm using for now. [IMG]http://i1111.photobucket.com/albums/h468/lolcows69/1St%20Box%20Design.png[/IMG] I measured the length of the port from the center, following it down around the corners. How does it look? Is there anywhere I screwed up in calculations that needs to be fixed (probably)? [/QUOTE]

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