JL Audio 18W6 User Manual
Subwoofer Specifi cations
8W6
32.5 Hz
0.466
0.511
5.500
3
ft
in.
83.6 dB
2
in
Dual 6 Ω
200 Watts
liters
mm
m
2.30 65.1
0.469 11.9
2
53.6 0.0346
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):
0.79 22.4
0.388 9.9
30.7 0.0198
10.6 Ω (in series)
*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”!
10W6
23.2 Hz
0.432
0.463
6.567
ft
in.
3
liters
mm
84.2 dB
2
in
10.8 Ω (in series)
Dual 6 Ω
300 Watts
5.73 162.3
0.438 11.1
2
82.5 0.0532
m
10.8 Ω (in series)
300 Watts
12W6
20.9 Hz
0.433
0.462
6.897
3
ft
in.
86.9 dB
2
in
Dual 6 Ω
mm
Physical Dimensions
8W6
Frame Diameter (A):
Mounting Hole Diameter (B):
Mounting Depth (C):
Overall Depth (D):
Magnet Diameter (E):
Displacement:
8.25
7
4.25
4.6875
4.875
0.035
in.
in.
in.
in.
in.
ft
3
209.55
177.8
107.95
119.06
123.82
0.989
mm
mm
mm
mm
mm
liters
10.125
9.125
4.875
0.06
Be sure to allow 0.75 inches (19mm) for pole vent clearance on this driver.
10W6 12W6
5.5
6.5
in.
in.
in.
in.
in.
ft
257.17
231.77
123.82
139.7
165.1
3
1.696
mm
mm
mm
mm
mm
liters
11.0625
12.25
5.625
6.5
6.5
0.085
in.
in.
in.
in.
in.
ft
311.15
280.98
142.87
165.1
165.1
3
2.403
mm
mm
mm
mm
mm
liters
D
A
C
liters
m
E
2
B
Normal Recommended Enclosures (single driver)
Model
Sealed
Enclosure
Ported
Enclosure
0.375 ft
10.6 l
0.625 ft
17.7 l
Port
(inside dia. X length)
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).
8W6
width X height X depthVolume (Net Int.)
3
3
16” x 9” x 8”
406mm x 229mm x 203mm
15” x 10” x 12.25”
381mm x 254mm x 311mm
2.5” X 15.4”
64mm X 391mm
W
D
10W6
width X height X depthVolume (Net Int.)
17.7 l
28.3 l
3
3
18” x 11” x 9”
457mm x 279mm x 229mm
17” x 12” x 13.75”
432mm x 305mm x 349mm
1.25 ft
35.4 l
2.25 ft
63.7 l
0.625 ft
1.00 ft
3” X 18.6”
76mm X 472mm
H
W
Ported Enclosure
12W6
3
3
width X height X depthVolume (Net Int.)
18” x 13” x 13.75”
457mm x 330mm x 349mm
20” x 14” x 17.75”
508mm x 356mm x 451mm
TWO 2.5” X 13.6”
TWO 64mm X 345mm
H
D
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.
•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.
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