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Enclosure Design & Construction
Dual 10" front face slot port in making
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<blockquote data-quote="1aespinoza" data-source="post: 8864552" data-attributes="member: 654802"><p>Two important specs in port dimensions are Port Area and Port Length. The Port Area is the size of the port hole. If it is 25 square inches, you can make the hole 5x5, 2.5x10, 1x25 or any other combo as long as you get 25 square inches.</p><p> For labyrinth ports, most use the inner box height to save space. If your inner box height is 12 inches, then your port width would be 2.08 inches. That will equal out to ~25 Sq. In.[ATTACH=full]55017[/ATTACH]The Port Area and Port Length will be given by the sub manufacturer.</p><p> A labyrinth port just folds in itself until the length is reached. To measure length you start outside the box to the back wall (B). You add the turn (C), and so on.</p></blockquote><p></p>
[QUOTE="1aespinoza, post: 8864552, member: 654802"] Two important specs in port dimensions are Port Area and Port Length. The Port Area is the size of the port hole. If it is 25 square inches, you can make the hole 5x5, 2.5x10, 1x25 or any other combo as long as you get 25 square inches. For labyrinth ports, most use the inner box height to save space. If your inner box height is 12 inches, then your port width would be 2.08 inches. That will equal out to ~25 Sq. In.[ATTACH type="full"]55017[/ATTACH]The Port Area and Port Length will be given by the sub manufacturer. A labyrinth port just folds in itself until the length is reached. To measure length you start outside the box to the back wall (B). You add the turn (C), and so on. [/QUOTE]
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Dual 10" front face slot port in making
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