Ported box help

LuNaTiC
10+ year member

18 to make up for below.
i tried my hardest to understand wat jmac said bout calculating the port length and such. i came up wit something but i jus wanna make sure its right guys. so here it is.

Width- 30"

Depth- 32.25"

Height- 15"

Tuning freq- 35Hz

internal volume afta all displacements- 6 ft^3

port height- 15"- T= 13.5"

port width- 3.5"

port length- 8.69" i rounded to 8.75

port area- 48 or 52? not sure

am i right or can some 1 please help if im wrong?

 
wat if i dont brace the box? do i have to or would the box be sturdy enuff wit 2 12's and 300 a piece?

 
ill jus type it out

depth-31.5

height-15

width-30

port w-3.75

port h-13.5

port length-10.75

both subs together displace .30 and i didnt put brace displacement. but is THIS right?

 
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LuNaTiC

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