DB Drive WDX G3 User Manual page 5

RECOMMENDED ENCLOSURE
Sealed
ENCLOSURES
Woofer Cutout
Mounting Depth
Sealed Box
Vented Box
• Vent Area
• Vent Length
• Tuning
Dynamic Power
Nominal Power
It is recommended to build your enclosure from 3/ 4" thick MDF (medium density fiberboard).
Make sure the enclosure is sealed airtight.
Calculating External Volume: To calculate box volume, measure the outside Width x Height x
Depth of the enclosure. Example 12" x 14" x 9"=1512 ÷ 1728" Cubic feet. Next you must convert
cubic inches into cubic feet. To do this, you must divide the cubic inches total by 1728". Example
1512 ÷ 1728=.875 Cubic feet
Calculating Internal Volume: To calculate the internal (net) volume of the above box you must
first multiply the thickness of the wood you are using by Two(2). Example 3/4" x 2= 1.5"
Next subtract 1.5 from each of the outside measurements of the box.
12 - 1.5 = 10.5
Multiple the new totals (H x W x D) Example: 10.5 x 12.5 x 7.5 = .5696
Next you must convert cubic inches into cubic feet. To do this, you must divide the cubic inch
total by 1728". Example 984.375 ÷ 1728=.5696 cubic feet.
11.18 in. (284 mm)
7.46 in. (189.5 mm)
1.9 cuft. (53.80 L)
3.27 cuft. (92.59 L)
38 sq in. (245.16 cm2)
CALCULATING ENCLOSURES
Width
Vented
WDX12G3.4
24 in. (60.96 cm)
35Hz
4000 Watts
2000 Watts
Height
14 - 1.5 = 12.5
5
WDX15G3.4
13.74 in. (349 mm)
8.56 in. (217.5 mm)
3.1 cuft (61.73 L)
4.08 cuft. (115.53 L)
48 sq in. (309.67 cm2)
24 in. (60.96 cm)
35Hz
4000 Watts
2000 Watts
Depth
9 - 1.5 = 7.5