12″ / 305 mm
Nominal diameter
35 Hz
Resonance
0.6
Q factor
89 dB
Sensitivity
± 6.5 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
34.9
Hz
Mechanical quality factor
QMS
7.33
Electrical quality factor
QES
0.66
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
350
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.2
Ω
Inductance (1kHz, in series)
LE
3.9
mH
VC Diameter
51
mm
Magnet
Force factor (in series)
Bl
17.2
N/A
Motor constant
Bl/√RE
6.42
N/√W
Weight
1.35
kg
Diaphragm
Effective diameter
262
mm
Effective area
SD
539
cm²
Moving mass
MMS
124.5
g
Moving mass (without air load)
MMD
115.9
g
Suspensions
Stiffness
KMS
5.99
N/mm
Compliance
CMS
167
µm/N
Equivalent volume to the compliance
VAS
68.8
L
Mechanical resistance
RMS
3.72
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
285
mm
Mounting depth
128
mm
Volume occupied by the driver
1.3
L
Export this driver to a simulation software:
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SD
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