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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” (Qts): 0.500 0.444 0.512
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): 500W 500W 500W
* 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” !
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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.