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2 JL AUDIO 12 T W1-2 / 12T W1- 4
SUBWOOFER 12TW1-2 12TW1-4
Free Air Resonance (Fs): 35.06 Hz 32.35 Hz
Electrical “Q” (Qes): 0.610 0.555
Mechanical “Q” (Qms): 10.662 11.066
Total Speaker “Q” (Qts): 0.577 0.529
Equivalent Compliance (Vas):
1.008 ft
3
28.54 litres
1.189 ft
3
33.67 litres
One-way, Linear Excursion (Xmax)*:
0.40 in
10 mm
0.40 in
10 mm
Efficiency (1W/1m)**: 85.07 dB SPL 85.15 dB SPL
Effective Piston Area (Sd):
67.608 in
2
0.0436 m
2
67.608 in
2
0.0436 m
2
DC Resistance (Re): 2.430 ohm 3.514 ohm
Nominal Impedance: 2 ohm 4 ohm
Power Handling (continuous): 300 W 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
C
D
B
E
F
JL AUDIO 12TW1-2 / 12TW1-4
U.S. PATENTS: #6,095,280 #8,374,379 #5,734,132
|
Other U.S. & Foreign patents pending.
All specifications are subject to change without notice.
12TW1 SUBWOOFER PHYSICAL
SPECIFICATIONS
Nominal Diameter:
12.0 in.
300 mm
Overall Diameter (A):
12.375 in.
314 mm
Mounting Hole Diameter (B):
11.0625 in
281 mm
Bolt Hole Circle (C):
11.7 in.
297 mm
Magnet Diameter (D):
5.71 in.
145 mm
Mounting Depth (E):
4.62 in.
117 mm
Frontal Grille Protrusion (F):
0.87 in
22 mm
Net Weight:
16.5 lbs
7.5 kg
Driver Displacement:
0.072 ft
3
2.04 litres
2


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