"Well four 6" will give you 113 sq. inches"

So to give the same effect the slot port gave I would have to stay close in the sq. inches?


"4-6" @ 35" long to try to tune to 32hz which may not be feasible, depending on box size"

35" long is more then feasible

"So you need to figure out whether your going for pure spl or daily also, you might be better staying with a rectangle port."

I would have to do two(one on each side of the sub)and I want variable tuning so this is not to good of an option.The port will come out of the box about 1" on to my rear deck

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Truck:1997 Ford F-150 STD. Cab 408ci.Twin turbo
Audio:Eclipse,Digital Designs,Phoenix Gold,American Bass

NEGATIVE.