2
JL AUDIO
8W1v2-4/8W1v2-8
SUBWOOFER
8W1v2-4
8W1v2-8
Free Air Resonance (Fs):
34.55 Hz
36.60 Hz
Electrical “Q” (Qes):
0.508
0.612
Mechanical “Q” (Qms):
6.260
6.000
Total Speaker “Q”
(Qts):
0.470
0.555
Equivalent Compliance (Vas):
0.66 ft³
18.80 l
0.63 ft³
17.87 l
One-way, Linear Excursion (Xmax)*:
0.3 in
7.6 mm
0.3 in
7.6 mm
Efficiency (1W/1m)**:
83.86
83.58
Effective Piston Area (Sd):
32.67 in²
0.0211 m²
32.67 in²
0.0211 m²
DC Resistance (Re):
4.00 ohm
7.84 ohm
Nominal Impedance:
4 ohm
8 ohm
Power Handling (continuous):
150W
150W
* 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
8W1v2 SUBWOOFER PHYSICAL
SPECIFICATIONS
Nominal Diameter:
8 in
200 mm
Overall Diameter (A):
8.54 in
217 mm
Mounting Hole Diameter (B):
7.09 in
180 mm
Bolt Hole Circle (C):
7.85 in
199 mm
Magnet Diameter (D):
4.54 in
115 mm
Mounting Depth (E):
3.85 in
98 mm
Net Weight:
6.3 lbs
2.9 kg
Driver Displacement:
0.02 ft³
0.57 l
JL AUDIO
8W1v2-4 / 8W1v2-8
530!4%.43$/THER53&OREIGNPATENTSPENDING