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• The enclosure recommendations listed above
are external dimensions which assume the use
of 3/4" (19mm) thick material. If you are using
5/8" (16mm) thick material, subtract 1/4"
(6.5mm) from each dimension.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 above are net
internal volumes! Driver displacement, port
displacement and brace displacement must be
added to obtain the final gross internal volume.
All enclosure dimensions above have already
taken this into acount.
• When using multiple subwoofers in a
common enclosure you will need to
recalculate the enclosure and port
dimensions. For assistance please contact
your authorized JL Audio dealer or JL Audio
Technical Support at 954-443-1100.
• We recommend the use of this speaker in a
bi-amplified system using high-quality satellite
speakers and a high-quality amplifier. We do
not recommend the use of this subwoofer
with a passive crossover (coil), as this type of
device will adversely affect performance.
• All specifications are subject to change
without notice.
WIRING OPTIONS
RECOMMENDED ENCLOSURES
2 JL AUDIO 8W3v2 JL AUDIO 8W3v2 3
SUBWOOFER: 8W3v2-D2 8W3v2-D4 8W3v2-D6
Free Air Resonance (Fs): 33.1 Hz 34.5 Hz 34.0 Hz
Electrical “Q” (Qes): 0.392 0.468 0.465
Mechanical “Q” (Qms): 7.84 7.84 7.84
Total Speaker “Q” (Qts): 0.373 0.441 0.439
Equiv. Compliance (Vas): 0.79 ft
3
0.79 ft
3
0.79 ft
3
22.4 litres 22.4 litres 22.4 litres
One-way,Linear Excursion: 0.39 in 0.39 in 0.42 in
(Xmax)* 9.9 mm 9.9 mm 10.7 mm
Efficiency (1W/1m)**: 85.2 dB 85.0 dB 84.8 dB
Effective Piston Area (Sd): 33.2 in
2
33.2 in
2
33.2 in
2
0.0214 m
2
0.0214 m
2
0.0214 m
2
DC Resistance (Re)***: 3.35Ω 6.70Ω 10.31Ω
Nominal Impedance: Dual 2Ω Dual 4Ω Dual 6Ω
Power Handling (continuous): 125W 125W 125W
Mounting Depth: 4.31 in 4.31 in 4.31 in
109 mm 109 mm 109 mm
Mounting Hole Diameter: 7.0 in 7.0 in 7.0 in
178 mm 178 mm 178 mm
Driver Displacement: 0.035 ft
3
0.035 ft
3
0.035 ft
3
0.99 litres 0.99 litres 0.99 litres
*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”. ***Re (DC resistance) is measured with
the voice coils in series,for parallel-wired specification divide Re by 4. All other specifications remain the same.
SUBWOOFER SPECIFICATIONS
AMPLIFIER
AMPLIFIER
AMPLIFIER
AMPLIFIER
AMPLIFIER
AMPLIFIER
W3v2 VOICE COILS IN SERIES: W3v2 VOICE COILS IN PARALLEL:
W3v2-D6: 12.0Ω
W3v2-D4: 8.0Ω
W3v2-D2: 4.0Ω
W3v2-D6: 6.0Ω
W3v2-D4: 4.0Ω
W3v2-D2: 2.0Ω
W3v2-D6: 4.0Ω
W3v2-D4: 2.7Ω
W3v2-D2: 1.3Ω
W3v2-D6: 3.0Ω
W3v2-D4: 2.0Ω
W3v2-D2: 1.0Ω
W3v2-D6: 1.5Ω
W3v2-D4: 1.0Ω
W3v2-D2: 0.5Ω
W3v2-D6: 1.0Ω
W3v2-D4: 0.7Ω
W3v2-D2: 0.3Ω
If you would like to put protective grilles on your W3v2,please make sure
they allow sufficient clearance for the suspension of the speaker to operate
properly (many “universal”grilles do not).
One way to be sure is to use the grille mesh inserts engineered by JLAudio
for your woofer.These sturdy steel mesh inserts mount securely into the
rubber gasket of the W3v2 and offer ample clearance for the suspension.
Ask your dealer for details and pricing.
GRILLE RECOMMENDATIONS
SUBWOOFER SEALED ENCLOSURE PORTED ENCLOSURE
Volume External Dimensions Volume External Dimensions Slot Port Int.Dimensions
(net int.) (Width x Height x Depth) (net int.) (Width x Height x Depth) (SlotWidth x Slot Height x Slot Length)
0.33 ft
3
16" x 9" x 7.25" 0.75 ft
3
23" x 10" x 11.125" 1.125" x 8.5" x 25.75"
8W3v2-D2 9.4 litres 406mm x 229mm x 184mm 21.2 litres 584mm x 254mm x 283mm 29mm x 216mm x 654mm
Fc:61.0 Hz F3:63.1 Hz Qtc:0.69 Recommended Port Tuning:34.9 Hz
0.375 ft
3
16" x 9" x 8" 0.75 ft
3
23" x 10" x 11.125" 1.125" x 8.5" x 24.125"
8W3v2-D4 10.6 litres 406mm x 229mm x 203mm 21.2 litres 584mm x 254mm x 283mm 29mm x 216mm x 613mm
Fc:60.8 Hz F3:55.7 Hz Qtc:0.78 Recommended Port Tuning:35.9 Hz
0.375 ft
3
16" x 9" x 8" 0.75 ft
3
23" x 10" x 11.125" 1.125" x 8.5" x 24.5"
8W3v2-D6 10.6 litres 406mm x 229mm x 203mm 21.2 litres 584mm x 254mm x 283mm 29mm x 216mm x 622mm
Fc:60.0 Hz F3:55.3 Hz Qtc:0.77 Recommended Port Tuning:35.7 Hz
“EL” (Port Extension Length):
8W3v2-D2:14.625" (371mm)
8W3v2-D4: 13" (330mm)
8W3v2-D6:13.375" (339mm)
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.