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Enclosure Design & Construction
Port inside or out?
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<blockquote data-quote="Savant" data-source="post: 185944" data-attributes="member: 546108"><p>Basically...</p><p></p><p>I would like to know if the port has to be contained inside the box or not.. so, if I have a box that is say, 1.8 cubes and the port calls for a 4" that is 30" long, can that 30" be outside the box? I mean, isn't the prevailing idea behind the port to provide a column of air that has to be moved so that it shouldn't matter where that column is as long as it's sealed to the box in some manner?</p><p></p><p>I ask because, I'd like to have a slightly smaller box but have the same tuning freq.. to do that, I need a much longer port.. I don't mind getting some semi-flexable material (or bending rigid stuff) to snake around the bed of the truck, but to get that port to fit inside the box would mean a much bigger box to account for the after displacement volume..</p><p></p><p>does that make any sense??</p><p></p><p>TIA guys..</p></blockquote><p></p>
[QUOTE="Savant, post: 185944, member: 546108"] Basically... I would like to know if the port has to be contained inside the box or not.. so, if I have a box that is say, 1.8 cubes and the port calls for a 4" that is 30" long, can that 30" be outside the box? I mean, isn't the prevailing idea behind the port to provide a column of air that has to be moved so that it shouldn't matter where that column is as long as it's sealed to the box in some manner? I ask because, I'd like to have a slightly smaller box but have the same tuning freq.. to do that, I need a much longer port.. I don't mind getting some semi-flexable material (or bending rigid stuff) to snake around the bed of the truck, but to get that port to fit inside the box would mean a much bigger box to account for the after displacement volume.. does that make any sense?? TIA guys.. [/QUOTE]
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Port inside or out?
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