DB Drive WDX12G3.4 Manuel de l'utilisateur - Page 5

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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

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