Can someone check my equation please?

[IDSkoT 5,000+ posts]

I'm trying to make a basic program that will tell me all the measurements for a box when put in the maximum out side height, depth, and width. I'm going to have different versions allowing you to skip something and it equate it for you...

But I'm just trying to get the basic port equation down. The one from JL Audio's website only said how to find the frequency... I did a little math and got this:

Lv = ((.318 * Av(1.84 * 10^8))/(Vb * Fb^2)) - .832 * SQR(Av)

Lv = port length

Av = Cross sectional area of port (I.E. WxH of port)

Vb = Box volume

Fb = Frequency

And for the record, SQR = Square Root

And in the future, I plan to make it have a 3D sketch of it.

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[IDSkoT 5,000+ posts]

:bump: