How long should my port be?

the site says 2 4" ports and 16" long but i used a VERY accurate port length calculator and it say that the port should only be 10" long

heres the sub

im getting the 12"
http://www.splusa.net/SW_SPLW.htm

i expect that the port calculator is right also it says on here that it should be tunes to 40hz but i would tube it to 37hz. but my ? is how long do you expect the port should be

2 4"x10" ports or 2 4"x16" ports?

What Would Be A Good Amp To...



Answers:    I'd also try more than one calc. I have found various calcs to be inaccurate. Did you use WinISD?

If you know roughly amps and subs...


what manner of calculator are you using? if it were me i'd use the specs that the actual brand is giving. since it's from the brand itself. if you're other unsure, you could go within the middle and make them 13" :)

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