New Box Project

Mr. Opportunist
10+ year member

CarAudio.com Veteran
This is my new box, i found out theres a new kid at my school this year an ex-football players son so hes a rich kid that has a 300c w/22's, full stereo, etc. well i had to step up my project to knock it out before school begins. It is going to be a false wall all incorporated with the rest of my trunk and it is going to be covered in suede most likely. But i do need some help, how do you calculate for 2 ports instead of one? I can calculate for one port but i am unsure of howto calculate for 2 in the same box.

This is the only piece i have cut so far.

Jul18_001.jpg


Jul18_002.jpg


Jul18_003.jpg


 
yea i have no clue how i got 7 cu ft its 5.33 lmao i messed up somewhere in my calculations oh well still bigger then the box im using now //content.invisioncic.com/y282845/emoticons/tongue.gif.6130eb82179565f6db8d26d6001dcd24.gif still have no clue howto do the 2 port deal though, both ports are going to be 11.75x4

 
if you want 2 seperate ports, split the box into 2 seperate chambers, then make 2 ports exactly the same size.

what he said^ x 2......(but i think he's high???) //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif

 
I dont have room for 2 seperat chambers, i calculated for one port 15.562" with my demensions 13.25"H x 38"W x 25"D minus the .015 cuft for the each missing corner(total of 2 so .030cuft) with ports 11.75"H x4" W, then for 2 ports(one on each side) i came up with 32.586 for the same demensions is that correct? thats going by how jl says to divide Vb by amount of ports which will yield the correct port lengths for both.

 
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Mr. Opportunist

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