12″ / 316 mm
Nominal diameter
34 Hz
Resonance
0.56
Q factor
86 dB
Sensitivity
± 15 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.8
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
34.1
Hz
Mechanical quality factor
QMS
5.32
Electrical quality factor
QES
0.63
Total quality factor
QTS
0.56
Large signal parameters
Maximum linear excursion
xmax
15.0
mm
Air volume displaced at xmax
VD
761
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
2.8
Ω
Inductance (1kHz, in series, estimated)
LE
1.0
mH
VC Diameter
51
mm
Winding material
round copper
Magnet
Force factor (in series)
Bl
13.9
N/A
Motor constant
Bl/√RE
8.31
N/√W
Diameter
140
mm
Height
40
mm
Diaphragm
Effective diameter
254
mm
Effective area
SD
507
cm²
Moving mass
MMS
205
g
Moving mass (without air load)
MMD
196.7
g
Material
Paper with glass fiber
Suspensions
Stiffness
KMS
9.52
N/mm
Compliance
CMS
105
µm/N
Equivalent volume to the compliance
VAS
38.2
L
Mechanical resistance
RMS
8.26
N·s/m
Dimensions
Nominal diameter
12
″
316
mm
Overall diameter
316
mm
Baffle cutout diameter
279
mm
Mounting depth
143
mm
Volume occupied by the driver
2.0
L
Net weight
5.6
kg
Frame material
Steel
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fS
35 Hz
SD
330 cm²
QTS
0.62
xmax
12.8 mm
SPL1W
85 dB
Bl/√RE
5.56
Pmax
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12″Shallow Subwoofer
fS
33 Hz
SD
511 cm²
33 - 450 Hz
QTS
0.53
xmax
7.5 mm
SPL1W
86 dB
Bl/√RE
8.52
Pmax
800 W