12″ / 305 mm
Nominal diameter
29 Hz
Resonance
0.58
Q factor
91 dB
Sensitivity
± 7 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.7
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28.5
Hz
Mechanical quality factor
QMS
10.06
Electrical quality factor
QES
0.62
Total quality factor
QTS
0.58
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
410
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.4
Ω
Inductance (1kHz, in series)
LE
7.02
mH
VC Diameter
51
mm
Former material
Aluminum
Magnet
Force factor (in series)
Bl
24.6
N/A
Motor constant
Bl/√RE
6.39
N/√W
Weight
1.13
kg
Diaphragm
Effective diameter
273
mm
Effective area
SD
585
cm²
Moving mass
MMS
140.5
g
Moving mass (without air load)
MMD
131.1
g
Suspensions
Stiffness
KMS
4.51
N/mm
Compliance
CMS
222
µm/N
Equivalent volume to the compliance
VAS
108
L
Mechanical resistance
RMS
2.5
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
276
mm
Mounting depth
122
mm
Volume occupied by the driver
3.4
L
Export this driver to a simulation software:
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fS
31 Hz
SD
810 cm²
QTS
0.45
xmax
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SPL1W
89 dB
Bl/√RE
11
Pmax
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fS
33 Hz
SD
691 cm²
25 - 350 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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fS
27 Hz
SD
448 cm²
10 - 900 Hz
QTS
0.49
xmax
9.5 mm
SPL1W
88 dB
Bl/√RE
6.08
Pmax
1200 W