JL Audio W3 Bruksanvisning

JL Audio Subwoofer W3

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12W3v3-2 / 12W3v3-4 / 12W3v3-8
Subwoofers
o w n e r ’ s m a n u a l
Congratulations on your purchase of a JL Audio subwoofer component. Your JL Audio subwoofer is a
precision loudspeaker which has been engineered to produce the highest quality sub-bass performance
in your vehicle. Authorized JL Audio dealers have extensive technical information for many different
applications of your new speaker. They also have the knowledge, skills and tools to build a high-quality
enclosure that will maximize the performance of your speaker. We highly recommend that you have your
enclosure built by an authorized JL Audio dealer.
Inside you will find specifications and two recommended enclosures for your speaker; one is a sealed
enclosure, the other is a ported design. Both types of enclosures will give you excellent sound quality and
low-frequency extension. The sealed enclosure is a better choice if space is extremely tight, but the ported
enclosure will produce 3dB more output at the same power if you have the extra space to work with.
If you decide to build one of these enclosures yourself, you must have the construction of the box
inspected and approved by your authorized JL Audio dealer in order for the 1 year limited warranty to
be valid. Please read the warranty information carefully.
2 JL AUDIO 12W3v3-2/12W3v3-4/12W3v3-8
SUBWOOFER 12W3v3-2 12W3v3-4 12W3v3-8
Free Air Resonance (Fs): 27.97 Hz 26.72 Hz 28.28 Hz
Electrical “Q” (Qes): 0.534 0.472 0.553
Mechanical “Q” (Qms): 7.678 7.572 6.936
Total Speaker “Q” 0.500 0.444 0.512(Qts):
Equivalent Compliance (Vas): 2.806 ft³
79.47 litres
2.844 ft³
80.54 litres
2.729 ft³
77.29 litres
One-way, Linear Excursion (Xmax)*: 0.510 in.
13.0 mm
0.510 in.
13.0 mm
0.510 in.
13.0 mm
Efficiency (1W/1m)**: 87.15 dB SPL 87.15 dB SPL 87.02 dB SPL
Effective Piston Area (Sd): 80.600 ft²
0.0520 m²
80.600 ft²
0.0520 m²
80.600 ft²
0.0520 m²
DC Resistance (Re): 1.658 ohm 3.563 ohm 7.310 ohm
Nominal Impedance: 2 ohm 4 ohm 8 ohm
Power Handling (continuous): 300W 300W 300W
* Xmax specifications are derived via one-way voice coil overhang method with
no correction factors applied.
** Efficiency (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” !
!
#
$
"
%
12W3v3 SUBWOOFER PHYSICAL
SPECIFICATIONS
Nominal Diameter: 12.0 in.
305 mm
Overall Diameter (A): 12.5 in.
318 mm
Mounting Hole Diameter (B): 11.0625 in.
281 mm
Bolt Hole Circle (C): 11.7 in.
297 mm
Magnet Diameter (D): 5.5 in.
140 mm
Mounting Depth (E): 6.65 in.
169 mm
Net Weight: 14.50 lbs.
6.58 kg
Driver Displacement: 0.071 ft³
2.01 litres
JL AUDIO 12W3v3-2 / 12W3v3-4 / 12W3v3-8
U.S. PATENTS : #5,734,734 #6,501,844 #6,219,431 #D480,709 Other U.S. & Foreign patents pending.
“EL” (Port Extension Length)
12W3v3-2: 13.5 in. (343 mm)
12W3v3-4: 13.5 in. (343 mm)
12W3v3-8: 13.5 in. (343 mm)
JL AUDIO 12W3v3-2/12W3v3-4/12W3v3-8 3
SUBWOOFER RECOMMENDED SEALED ENCLOSURES
Volume
(net int.)
External Dimensions
( epth)Width x Height x D
F3
(Hz)
Fc
(Hz) Qtc
12W3v3-2 1.250 ft³
35.4 litres
23 in. x 14 in. x 10 in.
584 mm x 356 mm x 254 mm 41.8 50.4 0.96
12W3v3-4 1.125 ft³
31.8 litres
23 in. x 14 in. x 9.25 in.
584 mm x 356 mm x 235 mm 43.7 50.2 0.83
12W3v3-8 1.250 ft³
35.4 litres
23 in. x 14 in. x 10 in.
584 mm x 356 mm x 254 mm 41.5 50.5 0.91
All specifications are subject to change without notice.
! ! CAUTION ! !
Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. This high-performance
speaker can exceed this level. Please exercise restraint in its operation in order to preserve your ability to enjoy its fidelity.
When installing a subwoofer in your vehicle, it is extremely important to secure the enclosure firmly. We recommend
bolting the enclosure through the metal of the floorpan or the frame of the vehicle with large diameter washers for
reinforcement. If an enclosure is not firmly attached, it can become a projectile in a collision. This is particularly important
in a hatchback, station wagon, sports utility vehicle, or van.
• The enclosure recommendations listed are external
dimensions which assume the use of 3/4" (19mm)
thick material. If you are using thick 5/8" (16mm)
material, subtract from each dimension. 1/4" (6.5mm)
Do not use any material with a thickness of less than
5/8" (16mm) as this may compromise the rigidity of
the enclosure.
• All enclosure volumes listed are net internal volumes!
Box volume displacement, port displacement and
brace displacement must be added to obtain the final
gross internal volume. All enclosure dimensions listed
have already taken this into account.
• When using two subwoofers in a common
enclosure simply double the required volume and,
in the case of a ported enclosure, use the two times
recommended port(s).
• We recommend the use of this speaker in a bi-
amplified system using high-quality satellite speakers
and amplifiers. We do not recommend the use of
this subwoofer with a passive crossover (coil), as this
type of device will adversely affect performance.
SUBWOOFER RECOMMENDED PORTED ENCLOSURES
Volume
(net int.)
Enclosure External Dimensions
( epth)Width x Height x D
Slot Port Specs
Slot Area x Slot Length
Rec. Slot Port Internal Dimensions
S S H S Llot Width x lot eight x lot ength
Tune to:
(Hz)
F3
(Hz)
12W3v3-2 1.75 ft³
49.6 litres
29 in. x 14 in. x 12.625 in.
737 mm x 356 mm x 321 mm
17.1875 sq. in. x 26.125 in.
110.9 sq. cm. x 664 mm
1.375 in. x 12.5 in. x 26.125 in.
35 mm x 318 mm x 664 mm 30.0 36.0
12W3v3-4 1.75 ft³
49.6 litres
29 in. x 14 in. x 12.625 in.
737 mm x 356 mm x 321 mm
17.1875 sq. in. x 26.125 in.
110.9 sq. cm. x 664 mm
1.375 in. x 12.5 in. x 26.125 in.
35 mm x 318 mm x 664 mm 30.0 35.0
12W3v3-8 1.75 ft³
49.6 litres
29 in. x 14 in. x 12.625 in.
737 mm x 356 mm x 321 mm
17.1875 sq. in. x 26.125 in.
110.9 sq. cm. x 664 mm
1.375 in. x 12.5 in. x 26.125 in.
35 mm x 318 mm x 664 mm 30.0 35.0

Produktspecifikationer

Varumärke: JL Audio
Kategori: Subwoofer
Modell: W3

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