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With the nooby questions that is, well I have only built sealed enclosures, and I'm telling you that I absolutely SUCK at math, and the next enclosure I am building is going to be ported, I want it tuned to 40 hz, I keep seeing people saying (for example) 19  inches of port, does that mean 19 square inches or port in any type of shape that I want it?

1986 C20 Suburban

9 American Bass XFL 15's

B2 M1MKII

14v XS Power Batteries

Maxwell Caps

Acoustical energy is free. Electrical energy is not

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port is either area(H x W), and length. in order to find your tuning you have to know the volume of your enclosure, and from there you can plug the port area, and length into a calculator with the box volume, and it will tell you what the enclosure is tuned to.

My System:

Pioneer AVH-P3200BT

4-Dayton 7 inch reference series (front doors)

8-Onkyo 3/4 inch tweeters (dash)

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woops I made a type =

I ment so the port area of 19 inches would mean I could have 19 square inches in any shape that I wanted? 

1986 C20 Suburban

9 American Bass XFL 15's

B2 M1MKII

14v XS Power Batteries

Maxwell Caps

Acoustical energy is free. Electrical energy is not

you havent lived until you've hit a screw with a router.

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Share on other sites

woops I made a type =

I ment so the port area of 19 inches would mean I could have 19 square inches in any shape that I wanted? 

Yes. I'm considering doing a triangle port on one of the next systems I build.  haha itd look so sick

A couple links to some box builds:

Tahoe Box 1, Tahoe Box 2, Nissan Titan, VW GTI,

Mini-Bump, Hummer H2, Ford F-150

My own car builds (current setup --- under construction):

Overall Thread, Kickpods, Dash, Back Doors

Subwoofer Wall

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MS Paint FTW!

testuf1.jpg

Sorry for the crappyness but does that matter or just the square area to the left of my arrows?

1986 C20 Suburban

9 American Bass XFL 15's

B2 M1MKII

14v XS Power Batteries

Maxwell Caps

Acoustical energy is free. Electrical energy is not

you havent lived until you've hit a screw with a router.

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Share on other sites

yes it does matter. should be the same distance from the wall as the port width.

Thanks so much, I have been so confused on porting, I think I'm ready to build a box now, I got enough money for 2 alpine's just gotta save up a little more to get a amp for it =) 

1986 C20 Suburban

9 American Bass XFL 15's

B2 M1MKII

14v XS Power Batteries

Maxwell Caps

Acoustical energy is free. Electrical energy is not

you havent lived until you've hit a screw with a router.

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Share on other sites

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