DB Drive G7 15.2 Manuel de l'utilisateur - Page 5
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RECOMMENDED ENCLOSURES
ENCLOSURES
Woofer Cut-out:
Mounting Depth:
Sealed Box:
Vented Box:
• Vent Area:
• Vent Length:
• Tuning:
Dynamic Power :
Nominal Power :
CALCULATING ENCLOSURES
It is recommended to build your enclosure from at least 3/ 4" thick MDF (medium density fiber
board). 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.
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.
Vented
G7 8.2 /
G7 8.4
7.48 in.
(190 mm)
7.38 in.
(187.45 mm)
NOT
RECOMMENDED
1.4 cuft.
(39.64 L)
12.57 sq in.
(81.09 cm2)
15 in.
(38.1 cm)
36Hz
2500 Watts
1250 Watts
Width
12 - 1.5 = 10.5
G7 12.1 /
G7 12.2
11.14 in.
(283 mm)
9.6 in.
(244 mm)
NOT
RECOMMENDED
3.5 cu ft.
(99.12 L)
52 sq in.
(335.4 cm2)
28 in.
(71.12 cm)
34Hz
8000 Watts
4000 Watts
Height
14 - 1.5 = 12.5
5
G7 15.1 /
G7 15.2
13.85 in.
(352 mm)
11.75 in.
(298 mm)
NOT
RECOMMENDED
4.5 cu.ft.
(127.43L)
75 sq in.
(483.87 cm2)
25 in.
(63.5 cm)
33Hz
8000 Watts
4000 Watts
Depth
9 - 1.5 = 7.5