port length question

[mr_imperial 10+ year member]

I plan on building about a 8 cube box for two 15 inch soundstream splx subs and i want the tuning to be around 32-34hz I plann on using 4 aero ports (not sure what size)//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif What size and lengths should these ports be to achhieve this tuning? Thanks for any help

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[perfecxionX 10+ year member]

http://www.psp-inc.com/psp-inc.com/cgi-bin/port_length_calculator.cgi

 

[mr_imperial 10+ year member]

^gracias Amigo^

 

[mr_imperial 10+ year member]

when the calculator says "length required" is that each port??

 

[SPL Blazer 10+ year member]

If you typed in the number of ports your using, then yes, thats the length of the ports. Don't forget to figure in displacement of your internal bracing and subs.

 

[mr_imperial 10+ year member]

ok man thanks for the help