help with port

[dbhittin 5,000+ posts]

box is 30"w x 12" h x 22" d... ext if i add a port 6" x 4" x 15 in the middle of the box.. whats the cubic feet and tuned to? i got 3cubes at 32... just need sumone to check

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[dbhittin 5,000+ posts]

i think its 3.5 before port and sub.. so how much would that port take up?

 

[SW9152 10+ year member]

1728 in^2 in a ft^2. 6" x 4" x 15 / 1728. give about .2 ft^2 per sub

 

[dbhittin 5,000+ posts]

im trying to get 3cubes after sub and port

 

[dbhittin 5,000+ posts]

duh im retarded lol.. i forgot the lxwxh thing on a square port lol...how do u figure it out on a round pvc? lol

 

[roarzorz 10+ year member]

Pi x R squared x length = volume