12″ / 305 mm
Nominal diameter
51 Hz
Resonance
0.41
Q factor
90 dB
Sensitivity
± 29 mm
Linear excursion
3000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.7
dB
Frequency response
30 - 400
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
3.80
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
29.0
mm
Air volume displaced at xmax
VD
1479
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W
Voice Coil
Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.8
Ω
Inductance (1kHz, in series, estimated)
LE
0.9
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
32.0
N/A
Motor constant
Bl/√RE
16.9
N/√W
Diameter
211
mm
Diaphragm
Effective diameter
255
mm
Effective area
SD
510
cm²
Moving mass
MMS
350
g
Moving mass (without air load)
MMD
341.8
g
Suspensions
Stiffness
KMS
33.33
N/mm
Compliance
CMS
30
µm/N
Equivalent volume to the compliance
VAS
24.4
L
Mechanical resistance
RMS
29.51
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
277
mm
Mounting depth
216
mm
Volume occupied by the driver
4.2
L
Export this driver to a simulation software:
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fS
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SD
310 cm²
QTS
0.34
xmax
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SPL1W
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Bl/√RE
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Pmax
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QTS
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46 Hz
SD
340 cm²
40 - 500 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
13
Pmax
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