calculation help????????

[UMGixxer 10+ year member]

these dimensions are supposed to give 4.5ft^3 @ 33Hz, can someone please explain to me how to arrive at this from the following dimensions

dimensions are:

bottom 35x23

top 35x23

left 22.25x13.5

right 21.5x13.5

back 35x13.5

front 29.75x13.5

port 17x13.5

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[UMGixxer 10+ year member]

anyone???

 

[ABSOLUTEAUDIO 10+ year member]

how long is the port?

 

[cj407]

who designed that? and how wide is the port?

 

[cj407]

port would obviously be 17"

 

[cj407]

i come up with a box thats 4.196 ft^3 @ 33 hz....not 4.5

 

[schrummy 10+ year member]

are those external or internal????

 

[mm0142 10+ year member]

if tis the free box designes they are mostly all calculated wrong im not sure why they are stickied for the forum they arent right

 

[Buck 5,000+ posts]

Learn how to do it yourself //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

 

[cj407]

yea buck...learn how to do it urself and not get PWK to design ur box....jk //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 

[UMGixxer 10+ year member]

those are external dimensions, and a guy did that for me on another forum, i know how to calculate the volume of a sealed box just not sure about port and how it affects the volume

the two side pieces, the front, and back pieces sit in between the top and bottom piece