JL Audio 12W0v2-4 - Manual (Page 2)

2 JL AUDIO 12WØv2-4
SUBWOOFER 12WØv2-4
Free Air Resonance (Fs): 28.43 Hz
Electrical “Q” (Qes): 0.715
Mechanical “Q” (Qms): 10.709
Total Speaker “Q” (Qts): 0.670
Equivalent Compliance (Vas): 2.530 ft
3
71.64 liters
One-way, Linear Excursion (Xmax)*: 0.45 in.
11.4 mm
Efficiency (1W/1m)**: 85.64 dB SPL
Effective Piston Area (Sd): 74.509 in
2
0.0481 m 2
DC Resistance (Re): 4.280 ohm
Nominal Impedance: 4 ohm
Power Handling (continuous): 300 W
* 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” !
A
B
E
D
C
12WØv2 SUBWOOFER PHYSICAL
SPECIFICATIONS
Nominal Diameter: 12.0 in.
305 mm
Overall Diameter (A): 12.52 in.
318 mm
Mounting Hole Diameter (B): 11.0625 in.
281 mm
Bolt Hole Circle (C): 11.7 in.
297 mm
Magnet Diameter (D): 5.05 in
128 mm
Mounting Depth (E): 5.4 in.
137 mm
Net Weight: 8.11 lbs.
3.68 kg
Driver Displacement: 0.048 ft
3
1.36 liters
JL AUDIO 12WØv2-4
U.S. PATENT: #6,219,431