JL Audio 12TW1-4

Subwoofer

12″ / 300 mm
Nominal diameter
32 Hz
Resonance
0.53
Q factor
85 dB
Sensitivity
± 10 mm
Linear excursion
600 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
85.2
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
32.4
Hz
Mechanical quality factor
QMS
11.07
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.53

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
436
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz, estimated)
LE
1.21
mH

Magnet

Force factor
Bl
15.8
N/A
Motor constant
Bl/√RE
8.43
N/√W
Diameter
145
mm

Diaphragm

Effective diameter
236
mm
Effective area
SD
436
cm²
Moving mass
MMS
193.6
g
Moving mass (without air load)
MMD
186.6
g

Suspensions

Stiffness
KMS
8.0
N/mm
Compliance
CMS
125
µm/N
Equivalent volume to the compliance
VAS
33.7
L
Mechanical resistance
RMS
3.56
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
314
mm
Baffle cutout diameter
281
mm
Overall depth
139
mm
Flange thickness
22
mm
Mounting depth
117
mm
Volume occupied by the driver
2.04
L
Net weight
7.5
kg

Export this driver to a simulation software:

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