JL Audio 12WXv2-4

Subwoofer

12″ / 300 mm
Nominal diameter
27 Hz
Resonance
0.56
Q factor
87 dB
Sensitivity
± 10 mm
Linear excursion
400 W
Program Power
Discontinued
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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.9
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
27.4
Hz
Mechanical quality factor
QMS
9.97
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.56

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
496
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz, estimated)
LE
0.92
mH

Magnet

Force factor
Bl
11.2
N/A
Motor constant
Bl/√RE
5.98
N/√W
Diameter
105
mm

Diaphragm

Effective diameter
251
mm
Effective area
SD
496
cm²
Moving mass
MMS
124.2
g
Moving mass (without air load)
MMD
116
g

Suspensions

Stiffness
KMS
3.69
N/mm
Compliance
CMS
271
µm/N
Equivalent volume to the compliance
VAS
94.5
L
Mechanical resistance
RMS
2.15
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
318
mm
Baffle cutout diameter
281
mm
Mounting depth
135
mm
Volume occupied by the driver
1.36
L
Net weight
2.63
kg

Export this driver to a simulation software:

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fS
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SD
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QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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