JL Audio 12W3v3-4

Subwoofer

12″ / 300 mm
Nominal diameter
27 Hz
Resonance
0.44
Q factor
87 dB
Sensitivity
± 13 mm
Linear excursion
1000 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
26.7
Hz
Mechanical quality factor
QMS
7.57
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.44

Large signal parameters

Maximum linear excursion
xmax
13.0
mm
Air volume displaced at xmax
VD
676
cm³
Power handling
P
500
W
Program power
Pmax
1000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz, estimated)
LE
1.13
mH

Magnet

Force factor
Bl
14.6
N/A
Motor constant
Bl/√RE
7.73
N/√W
Diameter
140
mm

Diaphragm

Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass
MMS
168.9
g
Moving mass (without air load)
MMD
160.3
g

Suspensions

Stiffness
KMS
4.76
N/mm
Compliance
CMS
210
µm/N
Equivalent volume to the compliance
VAS
80.5
L
Mechanical resistance
RMS
3.74
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
318
mm
Baffle cutout diameter
281
mm
Mounting depth
169
mm
Volume occupied by the driver
2.01
L
Net weight
6.58
kg

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