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What’s the tuning??
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<blockquote data-quote="shredder2" data-source="post: 8621848" data-attributes="member: 674047"><p>Sure looks like one to me... all 3 ports look to be the same length (44.25")... it's beyond my time and energy to try figuring it out...</p><p></p><p><a href="http://www.diysubwoofers.org/prt/dual_chamber.htm" target="_blank">The Subwoofer DIY Page - Dual-chamber ported systems</a></p><p></p><p>one guy says it's easy... lol... easy for him maybe...</p><p></p><p>I quote...</p><p></p><p>It's not that hard. Just model a woofer for two ports. Let's say it comes out to be a 1 cu. ft. box.</p><p></p><p>1/3 of 1 cu. ft. will be the lower chamber, 2/3 of 1 cu. ft. will be the upper chamber.</p><p></p><p>So .33 cu. ft and .66 cu. ft. will be the two chambers and added up will be 1 cu. ft.</p><p></p><p>The trick is istead of two ports you'll have three.</p><p></p><p>All the same as in length as you modelled in a software program for two ports.</p><p></p><p>Two of the ports will be visible externally the third port connects the two chambers internally</p></blockquote><p></p>
[QUOTE="shredder2, post: 8621848, member: 674047"] Sure looks like one to me... all 3 ports look to be the same length (44.25")... it's beyond my time and energy to try figuring it out... [URL="http://www.diysubwoofers.org/prt/dual_chamber.htm"]The Subwoofer DIY Page - Dual-chamber ported systems[/URL] one guy says it's easy... lol... easy for him maybe... I quote... It's not that hard. Just model a woofer for two ports. Let's say it comes out to be a 1 cu. ft. box. 1/3 of 1 cu. ft. will be the lower chamber, 2/3 of 1 cu. ft. will be the upper chamber. So .33 cu. ft and .66 cu. ft. will be the two chambers and added up will be 1 cu. ft. The trick is istead of two ports you'll have three. All the same as in length as you modelled in a software program for two ports. Two of the ports will be visible externally the third port connects the two chambers internally [/QUOTE]
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