JL Audio M8W5-SG-TB
Subwoofer
8″ / 200 mm
Nominal diameter
41 Hz
Resonance
0.64
Q factor
86 dB
Sensitivity
± 14 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.7
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
40.5
Hz
Mechanical quality factor
QMS
13.11
Electrical quality factor
QES
0.68
Total quality factor
QTS
0.64
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
318
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz, estimated)
LE
0.45
mH
Magnet
Force factor
Bl
7.5
N/A
Motor constant
Bl/√RE
4.23
N/√W
Diameter
140
mm
Diaphragm
Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
46.9
g
Moving mass (without air load)
MMD
44.3
g
Suspensions
Stiffness
KMS
3.04
N/mm
Compliance
CMS
329
µm/N
Equivalent volume to the compliance
VAS
24.1
L
Mechanical resistance
RMS
0.91
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
224
mm
Baffle cutout diameter
187
mm
Overall depth
169
mm
Flange thickness
37
mm
Mounting depth
132
mm
Volume occupied by the driver
0.91
L
Net weight
3.094
kg
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SD
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