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Generic ported box for a 18 inch subwoofer.
Box will be 38 inches wide, 20 inches deep, 22.25 inches tall. 
Box is 6.4 cubic feet before sub displacment. 

Mounting depth of 20.75 in.

Tuning frequency after typical displacment is 32hz
This is a word document with all the information you need to build this subwoofer box, including pictures. 

Ported 18 inch Subwoofer Box Design

SKU: P18-2
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