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Old 12-12-2013, 11:19 PM
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Default Aero port help

Ok, so I have a DC level 5 m2 15" that I'm building a box for and I have a 6" aero port. Box is 4 cubes after all displacements and I want to tune to 30 hertz for daily, so question is how long does the port need to be for said tuning? A few online box calculators say like 11.5 inches but I wanted to get some of your opinions. Thank for any help
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Old 12-12-2013, 11:29 PM
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with 4cu net INCLUDING port, 30hz is with 16.78" straight or 17.78" flared
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Old 12-12-2013, 11:37 PM
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Originally Posted by fyerbyrd22 View Post
with 4cu net INCLUDING port, 30hz is with 16.78" straight or 17.78" flared
Ok so box is 4.6875 before anything. So after sub and bracing I'll have right at 4 cubes. Port is flared on both ends

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Old 12-12-2013, 11:54 PM
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is the port inside the box completely??...partially inside/partially out??...completely external?
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Old 12-13-2013, 01:41 AM
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is the port inside the box completely??...partially inside/partially out??...completely external?
It will be inside completely. Sub up port driver side
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Old 12-13-2013, 01:53 AM
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the tuning is going to be directly related to how much space it takes up inside the box, accounting for the cu ft inside and the displacement of the aero...BUT to answer your question, the port need to be 17.78" flared when the box is 4cu net
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