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Calculate Vb
     
Calculate internal air space available for your woofers. Select an enclosure type, choose a unit of measure and wood thickness, then input your dimensions. The Woofer BoxWizard will calculate how much internal air space is available for your woofer(s).
Enclosure Type
Rectangular Wedge Wedge 2 Hexagon
Unit of Measure
Standard (inches & cubic feet)
Metric (centimeters & liters)
Wood Thickness
1/2" MDF 3/4" MDF
5/8" MDF    1" MDF
Measurement Method
Outside Dimensions (Gross)
(Enter inches)
Inside Dimensions (Net)
(Enter inches)
Internal Vb
Note 1: Vb rounded to nearest hundredths (x.xx).
Note 2: Subtract any volume displaced by woofers, dividers, braces & vents.
Legend
MDF Medium Density Fiberboard
H Height
W Width
D Depth
Gross Total volume occupied by box (includes wood)
Net Usable internal air space for woofer
Vb Volume of Box

Knowledge Base
Calculating volume of an enclosure
Where should the port be installed on a vented enclosure?
Instructions on building a subwoofer enclosure
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