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<blockquote data-quote="xluben" data-source="post: 2288787" data-attributes="member: 568852"><p>what parameters did you enter?</p><p></p><p>for that site:</p><p></p><p>more xmax = more port area</p><p></p><p>higher tuning = more port area</p><p></p><p>i just tried a box for two 12's (round), 4 ft^3 tuned to 45Hz with 40mm xmax</p><p></p><p>and gives me just under 200in^2 of port //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p><p></p><p>i don't see how it could have given you that much port area.</p><p></p><p>the way to use it is like this:</p><p></p><p>need to know:</p><p></p><p>width</p><p></p><p>height</p><p></p><p>driver's being used</p><p></p><p>desired volume</p><p></p><p>desired tuning</p><p></p><p>port area you think you want (need to know what you're doing)</p><p></p><p>enter all the stuff, and fool with the xmax to get the port area you'd like.</p><p></p><p>if it comes up with something funky (labyrinth port or funny shaped box) you can also play with the box volume/tuning/xmax to get something that looks nice (small changes can make all the difference).</p><p></p><p>overall i think it's good if you know what you are looking for and basically want a cutsheet //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p></blockquote><p></p>
[QUOTE="xluben, post: 2288787, member: 568852"] what parameters did you enter? for that site: more xmax = more port area higher tuning = more port area i just tried a box for two 12's (round), 4 ft^3 tuned to 45Hz with 40mm xmax and gives me just under 200in^2 of port [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] i don't see how it could have given you that much port area. the way to use it is like this: need to know: width height driver's being used desired volume desired tuning port area you think you want (need to know what you're doing) enter all the stuff, and fool with the xmax to get the port area you'd like. if it comes up with something funky (labyrinth port or funny shaped box) you can also play with the box volume/tuning/xmax to get something that looks nice (small changes can make all the difference). overall i think it's good if you know what you are looking for and basically want a cutsheet [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]
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