JL AUDIO 12W3V3-2 12" SUBWOOFER

Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28
Hz
Mechanical quality factor
QMS
7.68
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion (one way)
xmax
13
mm
Air volume displaced at xmax
VD
676
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
2
O
DC resistance
RE
1.7
O
Inductance (1kHz, estimated)
LE
1.06
mH
Magnet
Force factor
Bl
9.2
N/A
Motor constant
Bl/vRE
7.14
N/vW
Diameter
140
mm
Diaphragm
Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass (including air load)
MMS
156
g
Moving mass
MMD
148
g
Suspensions
Stiffness
KMS
4.83
N/mm
Compliance
CMS
207
µm/N
Equivalent volume to the compliance
VAS
79.5
L
Mechanical resistance
RMS
3.58
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