ported box...Help

[DaGh0st 5,000+ posts]

ive been to most the links i can find about this and its always the most complicated answer. i know how to find the cubed feet in a seald box: Hieght times width times depth diveded by 1728 =^3

but heres my qusetion can some one tell me in plain ol' english how to find the size and port area/tuneing and all that other good stuff please?

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[XtrmAudioCncpts 10+ year member]

what sub are you doing it for and what are the specs for it? all the specs you can find on it would be awesome

 

[DaGh0st 5,000+ posts]

its an 15" sx i want to build it some where around 4^3 @45hz

 

[HotCarl 10+ year member]

http://www.accelerator-pedal.com/ported-box.asp

works pretty neatly. simple, worked very good for the couple boxes i built.

 

[DaGh0st 5,000+ posts]

http://www.accelerator-pedal.com/ported-box.asp
works pretty neatly. simple, worked very good for the couple boxes i built.

lol that what iv been trying to use but it keep changing my specs for the length i need it wider and not as deep

 

[XtrmAudioCncpts 10+ year member]

what are the dimentions of the box you would like to have?

 

[DaGh0st 5,000+ posts]

H16.5xW28x(whatever depth needs to be for 4^3) i just need the formula i can do my own homework lol but hey if you want to do it thanks man. so how do you get the tuneing feq?

 

[HotCarl 10+ year member]

http://forums.caraudio.com/vb/showthread.php?t=129739

i wanna do my own calc's and junk too, this thread helped some

http://www.diysubwoofers.org/

http://mobile.jlaudio.com/support_pages.php?page_id=165