phillips/vdo subbox (zanes help greatly appreciated!!!)

[vxcoupe_300 10+ year member]

does anyone know how to design a trap shaped box of exactly 50.7litres.

i have basic dimensions for the side, but don't know how wide to make it.

here are the inner dimensions:

130mm

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I \

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300mm I \

I O \ O = port

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210mm

How wide should the box be, to equal approx 50.7litres

and what shpe/size/position port should i use?

P.S. the sub will be mounted on the angled side.

DETAILS OF SUB:

Phillips XB120

Fs: 28hz

Vas: 89.7L/3.17cu.ft

Qts: .43

Qes: .46

Qms: 7.42

Re (DC): 3.2

Sd: .05m squared

power: 150wattsRMS (yes only 150watts, these things hammer!!!!!)

sensitivity: 94db

response: 18-3000hz

ANY HELP WHAT-SO-EVER IS VERY GREATLY APPRECIATED, SO THANKS TO ANYONE WHO CAN HELP!!!!//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif

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[vxcoupe_300 10+ year member]

the dimension were stuffed up so here they are

back side:300mm

top side: 130mm

bottom: 210mm

angle: unknown

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