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2Loud

1 alpine type r port area help.

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im makiing a temp system for now in my 95 grand prix. i am needing help on how much port area is ideal for these subs. going to be pushed by a alpine mrp1000 at 2 ohms. the sub is a brand new alpine type r 12. thank you for your time.

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Try a side firing 4" aero port in a 2ft^3 enclosure tuned to 33hz will yield a port length of 13.625". Face the Sub back.

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The general rule of thumb is 12-16 square inches of port area per cubic foot of box. Hope this helps and good luck!

Edited by Dutchie.

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The general rule of thumb is 12-16 square inches of port area per cubic foot of box. Hope this helps and good luck!

thanks guys that helps alot! make a slot port 1.8 cubes after displacement.

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i got my box made thanks to you guys help. ill post pics for you guys in the morning! thank you a bunch! +rep

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