JL Audio M8IB5-SG-TB

Subwoofer

8″ / 200 mm
Nominal diameter
53 Hz
Resonance
0.78
Q factor
87 dB
Sensitivity
± 14 mm
Linear excursion
400 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.9
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
53.4
Hz
Mechanical quality factor
QMS
11.83
Electrical quality factor
QES
0.83
Total quality factor
QTS
0.78

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
3.0
Ω
Inductance (1kHz, estimated)
LE
0.39
mH

Magnet

Force factor
Bl
7.0
N/A
Motor constant
Bl/√RE
4.07
N/√W
Diameter
140
mm

Diaphragm

Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
40.6
g
Moving mass (without air load)
MMD
38
g

Suspensions

Stiffness
KMS
4.57
N/mm
Compliance
CMS
219
µm/N
Equivalent volume to the compliance
VAS
16
L
Mechanical resistance
RMS
1.15
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

Export this driver to a simulation software:

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