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Square Port Help Please!

Old 08-04-2007, 07:03 PM
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Arrow Square Port Help Please!

Hey, I am trying to build a ported box for an Alpine X Type 10". The box is going to be 14.5"High by 20"Wide by 12.5"Deep, this is the specs for the sub. (1.4 cubic feet) I want to make the box square ported and tuned to 30 hertz so how big should the port be. The Sub is powered by the Alpine V12 MRD-1001 (1000w rms). Please help as i am a little confused by ported boxes. Also can the port be built using the side of the box?

Diargam or Pic would be great if possible.
Thank you!
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Old 08-05-2007, 12:03 PM
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Ya you can use the side of the box as a wall for your port - brace the port - go see your local dealer for some input on box design, they should be willing to help you out..

As well you can contact alpine tech support - info on their site if memory serves..
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Old 08-05-2007, 12:40 PM
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Okie Dokie Thank you
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Old 08-06-2007, 02:38 AM
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I used this to design mine and it turned out well.

http://www.ajdesigner.com/phpvent/subwoofer_vent_port_equation_length_l.php
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