JL Audio 12W1 Bruksanvisning
JL Audio
Auto subwoofer
12W1
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Sida 1/2
12W1-8
24.0 Hz
0.490
0.519
8.897
6.26 177.3
0.313 8.0
88.5 dB
78.5 0.0506
7.03 Ω
8 Ω
125 Watts
12W1-4
22.3 Hz
0.487
0.518
8.255
6.22 176.2
0.313 8.0
87.6 dB
78.5 0.0506
3.65 Ω
4 Ω
125Watts
Subwoofer Specifi cations
Fs (free-air resonance):
Qts (total speaker “Q”):
Qes (electrical “Q”):
Qms (mechanical “Q”):
Vas (equivalent compliance):
Xmax (linear excursion one-way):
Effi ciency (1W/1m)*:
Sd (effective piston surface area):
Re (DC resistance):
Znom (nominal impedance):
Pt (continuous thermal power handling):
Physical Dimensions
Frame Diameter (A):
Mounting Hole Diameter (B):
Mounting Depth (C):
Overall Depth (D):
Magnet Diameter (E):
Displacement:
Normal Recommended Enclosures (single driver)
Sealed Enclosure
•Enclosure dimensions listed are external dimensions which assume the use of 0.75 inch (19mm) thick material. If you are using
0.625 inch (16mm) thick material, subtract 0.25 inches (6.5mm) from each dimension. Do not use material with a thickness of
less than 0.625 inches (16mm).
•Enclosure volumes listed are NET internal volumes. Driver displacement, port displacement and brace displacement must be
added to obtain the fi nal gross volume. The dimensions listed have already taken this into account.
•When using two subwoofers in a common enclosure simply double the required volumes and use two of the recommended ports
(when needed). Likewise, when using three subwoofers in a common enclosure simply triple the required volume and number
of ports (when needed).
*Effi ciency (1W/1m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a
comparison to other subwoofers to determine which one is “louder”!
Ported Enclosure
H
D
W
H
D
W
ft3liters
in. mm
in2m2
in. mm
in. mm
in. mm
in. mm
in. mm
ft3liters
ft3
in.
liters
mm
in2m2
AB
C
D
E
12.375
11
5.25
5.5
4.875
0.057
314.32
279.4
133.35
139.7
123.82
1.611
Port
(inside dia. X length)
Model
Sealed
Enclosure
Ported
Enclosure
20” x 13” x 14.25”
508mm x 330mm x 362mm
12W1-4
22” x 16” x 17”
559mm x 406mm x 432mm
4” X 12.3”
1.50 ft3
102mm X 312mm
2.50 ft3
width X height X depthVolume (Net Int.)
42.5 l
70.8 l
20” x 13” x 14.25”
508mm x 330mm x 362mm
12W1-8
22” x 16” x 18.25”
559mm x 406mm x 464mm
4” X 9.7”
1.50 ft3
102mm X 246mm
2.75 ft3
width X height X depthVolume (Net Int.)
42.5 l
77.88 l
Be sure to allow 0.75 inches (19mm) for pole vent clearance on this driver.
•Do NOT use different impedance speakers when using multiple subwoofers!
•JL Audio recommends using subwoofers as part of a bi-amplifi ed system using high quality satellite speakers like our Evolution line
of coaxial and component speakers. We do not recommend the use of passive crossover components (coils) on subwoofers. These
components may adversely affect the performance of a subwoofer.
•When dealing with exceedingly long port lengths, we recommend the use of JL Audio’s Flex-Port System. The Flex-Port tubing is
fl exible, allowing it to fi t in otherwise tight locations. The Port mouths provide not only a convenient method of securing the port,
but a smooth, rounded edge for the port termination as well.
Wired directly to the amplifi er:
A single 4Ω speaker will present a 4Ω load.
A single 8Ω speaker will present a 8Ω load.
With speakers wired in parallel:
Two 4Ω speakers will present a 2Ω load.
Two 8Ω speakers will present a 4Ω load.
With speakers wired in parallel:
Three 4Ω speakers will present a 1.3Ω load.
Three 8Ω speakers will present a 2.7Ω load.
Produktspecifikationer
| Varumärke: | JL Audio |
| Kategori: | Auto subwoofer |
| Modell: | 12W1 |
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