port size ?

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Sep 13, 2005 | 08:54 PM

zzzzzzz

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4000 Watt CAFz'r

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port size ?

if i have 40L box for a focal 27h sub what is my port size?
3"x _
4"x _
5"x _
or
6"x _
one port or two ? i would like to have one port .most likely a 3" or 4"port in the 33hzs

Sep 15, 2005 | 06:47 PM

zzzzzzz

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4000 Watt CAFz'r

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anyone

Sep 16, 2005 | 08:44 PM

zzzzzzz

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4000 Watt CAFz'r

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it is about 40l befor displacement
becouse how i made it i can only Guess
how long do you think the port would be?

Sep 19, 2005 | 10:52 AM

zzzzzzz

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4000 Watt CAFz'r

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ok guess what size would you start with

Sep 20, 2005 | 10:47 PM

zzzzzzz

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4000 Watt CAFz'r

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anyone

Sep 22, 2005 | 10:30 AM

RedZone

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heh is it jsut me or does anyone else find it funny that you list the volume in metric and the port size in Imperial .

Sep 24, 2005 | 01:28 PM

zzzzzzz

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4000 Watt CAFz'r

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ok my port size would be 100mm x ? in a 40l box

or a 4" port x ? in a 1.41cft box

anyone

what is the size ?

Sep 24, 2005 | 06:33 PM

Starterwiz

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I've got 12 inches....but I don't normally use it as a rule.

Sep 24, 2005 | 07:58 PM

zzzzzzz

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4000 Watt CAFz'r

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or 305mm just for redzone

thank you car trek

if the port looks like an L (90degs) how do i do it to get a 12" is it center line,inside line,out side line?