port displacment
it there a formual for figuring it out?
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http://www.the12volt.com/caraudio/boxcalcs.asp
Head right to the bottom... among other caculators. Mark |
alright so the volume of the port is the same as what it displaces in the box?
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no it will displace more than it's volume, because of the wall thickness. Not much, but more
Mark |
ok, im only using white sewer pipe its only has a very thin wall
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oh ok, then it's relatively insignifican't then... :)
Mark |
making a abc box for 2 15's trying to keep it as tight as possible on the volumes, its a gona be a big box, 9 cubes,
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the only reason why I mentioned it, is because if you, or anyone was using 0.25" PVC or something similarly thick, then on a 3" x 16" pipe, the difference in using the interior volume, opposed to the actualy displacement would be about 0.1-0.2 of a cubic foot... Which could add up if you had multiple ports, or wanted the exact Net volume of the box...
regards, Mark |
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