JL Audio 18W6 Bruksanvisning
JL Audio
Auto subwoofer
18W6
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Normal Recommended Enclosures (single driver)
Port
(inside dia. X length)
Model
Sealed
Enclosure
Ported
Enclosure
18” x 16” x 11.5”
457mm x 406mm x 292mm
15W6
22” x 17” x 15.5”
559mm x 432mm x 394mm
TWO 3” X 21.2”
1.25 ft3
2.25 ft3
width X height X depthVolume (Net Int.)
35.4 l
63.7 l
19” x 19” x 12.5”
483mm x 483mm x 318mm
18W6
1.75 ft3width X height X depthVolume (Net Int.)
49.6 l
Not Recommended
18W6
20.0 Hz
0.384
0.402
8.740
9.00 254.9
0.500 12.7
88.8 dB
182.6 0.1178
11.04 Ω (in series)
Dual 6 Ω
500 Watts
15W6
16.3 Hz
0.312
0.325
7.817
10.88 308.1
0.420 10.7
87.9 dB
131.0 0.0845
10.88 Ω (in series)
Dual 6 Ω
400 Watts
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):
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
ft3
in.
liters
mm
in2m2
TWO 76mm X 538mm
Be sure to allow 0.75 inches (19mm) for pole vent clearance on this driver.
Physical Dimensions
Frame Diameter (A):
Mounting Hole Diameter (B):
Mounting Depth (C):
Overall Depth (D):
Magnet Diameter (E):
Displacement:
in. mm
in. mm
in. mm
in. mm
in. mm
ft3liters
AB
C
D
E
15.1875
13.875
7.25
7.875
6.5
0.135
385.76
352.42
184.15
200.02
165.1
3.816
in. mm
in. mm
mm
in. mm
in. mm
ft3liters
18
16.5
8.125
9
8.25
0.21
457.2
419.1
206.37
228.6
209.55
5.937
in.
15W6 18W6
•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.
With coils wired in parallel, a dual 6Ω speaker will present a 3Ω load. With coils wired in series, a dual 6Ω speaker will present a 12Ω load.
With coils AND speakers wired in parallel:
2 dual 6Ω speakers (D6) will present a 1.5Ω load.
With the coils wired in series and the speakers wired in parallel:
2 dual 6Ω speakers (D6) will present a 6Ω load.
With coils AND speakers wired in parallel:
3 dual 6Ω speakers (D6) will present a 1Ω load.
With the coils wired in series and the speakers wired in parallel:
3 dual 6Ω speakers (D6) will present a 4Ω load.
Produktspecifikationer
| Varumärke: | JL Audio |
| Kategori: | Auto subwoofer |
| Modell: | 18W6 |
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