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How is port length calculated?
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<blockquote data-quote="Syphlyn" data-source="post: 8306022" data-attributes="member: 662099"><p>Oh **** totally forgot to put the most important part in. Lmao.</p><p></p><p>Anyways.</p><p></p><p>The top baffle is 18 inches (shown by the "Width" below) which will have the port and woofer across it. I plan on flush mounting the woofer, so the top layer of the baffle will have a cut out to 12.68 (Outer diameter of the woofer) while the second baffle will be cut to 11.07 which is the cut out. This will let it sit flush.</p><p></p><p><img src="http://i.imgur.com/r5yELTu.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The baffle sits on top of the sides so if you do the math:</p><p></p><p>0.75 + 2.75 + 0.75 + 12.68 + 0.75 = 17.68......the 0.75 comes from the baffle sitting on top. So the 0.75 are the sides of the box and inner port wall where they meet the underside of the baffle.</p><p></p><p>Which leaves me roughly 0.3 inches spare space.</p><p></p><p><strong>It's a hard question to word properly. I guess I want to know if having such a narrow peice of wood between the woofer and the port/edge of the box is bad and I think it could snap. Maybe I'm completely wrong.</strong></p></blockquote><p></p>
[QUOTE="Syphlyn, post: 8306022, member: 662099"] Oh **** totally forgot to put the most important part in. Lmao. Anyways. The top baffle is 18 inches (shown by the "Width" below) which will have the port and woofer across it. I plan on flush mounting the woofer, so the top layer of the baffle will have a cut out to 12.68 (Outer diameter of the woofer) while the second baffle will be cut to 11.07 which is the cut out. This will let it sit flush. [IMG]http://i.imgur.com/r5yELTu.jpg[/IMG] The baffle sits on top of the sides so if you do the math: 0.75 + 2.75 + 0.75 + 12.68 + 0.75 = 17.68......the 0.75 comes from the baffle sitting on top. So the 0.75 are the sides of the box and inner port wall where they meet the underside of the baffle. Which leaves me roughly 0.3 inches spare space. [B]It's a hard question to word properly. I guess I want to know if having such a narrow peice of wood between the woofer and the port/edge of the box is bad and I think it could snap. Maybe I'm completely wrong.[/B] [/QUOTE]
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How is port length calculated?
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