12W6v2
DRIVER SPECIFICATIONS
| |
12W6v2-D4 |
| Free Air Resonance (Fs):
|
25.0 Hz |
| Electrical "Q" (Qes):
|
0.480 |
| Mechanical "Q" (Qms):
|
7.100 |
| Total Speaker "Q"
(Qts): |
0.450 |
| Equivalent Compliance (Vas):
|
2.82 cu. ft. / 79.9 liters |
| One-Way, Linear Excursion (Xmax)*:
|
0.65 in. / 16.5 mm |
| Reference Efficiency (no):
|
0.250% |
| Efficiency (1W/1m)**:
|
85.9 dB SPL |
| Effective Piston Area (Sd):
|
77.8 sq. in. / 0.0502 sq. m. |
| DC Resistance (Re):
|
6.75 ohm*** |
| Nominal Impedance (Znom):
|
Dual 4 ohm |
| Thermal Power Handling (Pt):
|
400W |
| Driver Displacement:
|
0.090 cu. ft. / 2.5 liters |
| Net Weight: |
19.4 lbs. / 8.8 kg |
* 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
|
|
 |
Nominal
Diameter |
Overall
Diameter (A) |
Mounting Hole
Diameter (B) |
Bolt Hole
Circle (C) |
Magnet
Diameter (D) |
Mounting
Depth (E) |
| 12.0 in. / 305 mm |
12.5 in. / 317.5 mm |
11.0 in. / 279.5 mm |
11.86 in. / 301 mm |
6.65 in. / 169 mm |
7.6 in. / 193 mm |
|
|
12W6v2
ENCLOSURE SPECIFICATIONS |
•
The W6v2's employ a pole vent to remove heat and pressure from the
inside of the speaker.This vent is located around the JL Audio badge at
the rear of the speaker. A minimum distance of 3/4-inch (20mm) is
required between the back of the speaker and any wall of the enclosure
to allow proper operation of the pole vent.
• The enclosure recommendations listed 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 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 two times
the recommended port(s).
• We recommend the use of this speaker in a bi-amplified system using
highquality 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. |
| |
|
|
| SAFETY
NOTICE! |
| Prolonged
exposure to sound pressure levels in excess of 100dB can cause
permanent hearing loss. This highperformance 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. | |
| Recommended Sealed
Enclosures |
| Subwoofer |
Volume
(net int.) |
External Dimensions
(Width x Height x Depth) |
F3
(Hz) |
Fc
(Hz) |
Qtc |
| 12W6v2-D4 |
1.25 cu. ft. / 35.4 liters |
18 in. x 14 in. x 12.75 in.
457 mm x 356 mm x 324 mm |
41.42 |
45.11 |
0.812 |
|
|
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