JL Audio 12TW3-D4

2x4Ω
2x8Ω

Subwoofer

12″ / 300 mm
Nominal diameter
26 Hz
Resonance
0.53
Q factor
84 dB
Sensitivity
± 15.2 mm
Linear excursion
800 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
84.0
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
26.5
Hz
Mechanical quality factor
QMS
10.77
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.53

Large signal parameters

Maximum linear excursion
xmax
15.2
mm
Air volume displaced at xmax
VD
819
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
9.3
Ω
Inductance (1kHz, in series, estimated)
LE
4.26
mH

Magnet

Force factor (in series)
Bl
29.1
N/A
Motor constant
Bl/√RE
9.55
N/√W
Diameter
156
mm

Diaphragm

Effective diameter
262
mm
Effective area
SD
539
cm²
Moving mass
MMS
306.6
g
Moving mass (without air load)
MMD
297.6
g

Suspensions

Stiffness
KMS
8.48
N/mm
Compliance
CMS
118
µm/N
Equivalent volume to the compliance
VAS
48.7
L
Mechanical resistance
RMS
4.73
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
318
mm
Baffle cutout diameter
295
mm
Mounting depth
89
mm
Volume occupied by the driver
0.82
L
Net weight
6.8
kg

Export this driver to a simulation software:

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