JL Audio 8W3v3-4
Subwoofer
8″ / 200 mm
Nominal diameter
35 Hz
Resonance
0.47
Q factor
83 dB
Sensitivity
± 10 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
35.1
Hz
Mechanical quality factor
QMS
7.07
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.47
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
210
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.8
Ω
Inductance (1kHz, estimated)
LE
0.78
mH
Magnet
Force factor
Bl
11.8
N/A
Motor constant
Bl/√RE
6.08
N/√W
Diameter
121
mm
Diaphragm
Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
84.1
g
Moving mass (without air load)
MMD
81.8
g
Suspensions
Stiffness
KMS
4.1
N/mm
Compliance
CMS
244
µm/N
Equivalent volume to the compliance
VAS
15.3
L
Mechanical resistance
RMS
2.63
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
217
mm
Baffle cutout diameter
180
mm
Mounting depth
118
mm
Volume occupied by the driver
0.85
L
Net weight
3.7
kg
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SD
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