what is the tuning

[burtonsnow83 10+ year member]

Hey, I have a box which exteranal measurements are 18 deep, 16 high 30.75 long with a port 14.5 high, 2 wide and 13.25 deep. I am an idiot with the tuning programs so can anyone tell me about what that would be tuned to, the subs are edk 12s.

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[MikeofTulsa Moderator]

well get the internal measurements and figure the volume of the box ((lxwxd)/1728) = volume of box....w/ that u can then to go a site like http://www.the12volt.com and use their port calulator and enter in the volume, the freq. u plan to tune it to, and the diameter of the port u wanna use and it will give u the port length

 

[burtonsnow83 10+ year member]

Originally posted by Goddyd4me well get the internal measurements and figure the volume of the box ((lxwxd)/1728) = volume of box....w/ that u can then to go a site like http://www.the12volt.com and use their port calulator and enter in the volume, the freq. u plan to tune it to, and the diameter of the port u wanna use and it will give u the port length

I already know the port length, 13.25...

I had to shorten my box by 1 1/2 inches so it thew my port calculations(that I got from trixter) off. My original port was 14.5 H x 2 w x14 deep the tuning with the box I had was 32 hz with that port. By shortening my box it threw that tuning outta whack, so I shortened the port a little bit, and now was wondering what the tuning would be, same height and width, just shortened to 13.25 with a different volume...again the box measurements this time internal are 29.25 l x 14.5 h x 16.5 D...thanks

 

[Biohazard 10+ year member]

jmac need a little help too, could u check the pm machine?or even icq??

 

[burtonsnow83 10+ year member]

Originally posted by Biohazard jmac need a little help too, could u check the pm machine?or even icq??

speaker displacement is .08

 

[burtonsnow83 10+ year member]

Originally posted by burtonsnow83 speaker displacement is .08

ttt