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Old 10-23-2010, 12:18 PM
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Default aero vented box help pls

I'm sure everyone has seen the sub enclosures with the aero vents mounted to the outside of the box, and the entire tube is outside, i'm not sure what that type of design is called or if anyone has taken the time to give it a design name but here's my question. If I was to build a aero vented box with the aero inside the box, would it be tuned the same as if I had the vent outside the box or would i decrease the box size by subtracting the area that the vent would take up if it were inside the box? This is the design that I have so far but this design fires the vents into the side panels in the back of my bronco which will be about 10" from the side of the box. But if I was to put those vents on the outside of the box and us 90 degree bends to fire the vents towards the top of my truck the air and freq would produce alot better. Could someone tell me if I have to decrease the box size the amount the vent would take up or just don't worry about it and put the aero's on the outside of the box? Thanks and sorry this was so long..here's my design for those that haven't seen it.

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Old 10-23-2010, 12:22 PM
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What's the dimensions on the box? What size of aeros and I'm guessing 15s?
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Old 10-23-2010, 12:34 PM
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Yes you need to subtract the displacement of the ports from the internal volume of the enclosure.
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Old 10-23-2010, 12:38 PM
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Just need to subtract port displacement which for a full length 6" is .25
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Old 10-23-2010, 03:53 PM
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box dims are 17Hx49Wx30D which comes to 12.143cuft..the vent dims are 2-8" vents 17" long..tuned freq 32hz..this box is for 2-18's
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Old 10-23-2010, 03:55 PM
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I wanna move those aero's to the outside of the box and face them up..put 90 degree bends at the box and face them up..i know that the 90 bend takes away from the original vent length and know how to do that..so i just need to subtract the vent area from the box area..do these style boxes produce good bass cuz it's getting to be a big deal
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