Dodge Dakota Forum : Custom Dakota Truck Forums - View Single Post - Box Tuning Calculator Download
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post #4 of Old 03-10-2010, 07:46 AM Thread Starter
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lots of others arent as accurate. or they're accurate, but they're limited in design. my old one was that way. if you knew what type of box it was coded for more, then it was spot on. otherwise it was a few tenths to a hz off. the formula is simple really. port length, port area, and net volume are all that's needed. it's just how you get the net volume is the tricky part. i've checked all displacements several times over. say if a box is 20 x 30 x 40, with 2 baffles, the baffle displacement will be different if the sub is up than if the sub is facing forward/backwards. along with port length if the port is also on the baffle side. it'll be shorter for each baffle, which in turn lessens the port volume taken out of the gross volume. i tried to take as many things into effect as possible so i'm confident in it
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