SICA 12 F 4 CP
Woofer
12″ / 321 mm
Nominal diameter
46 Hz
Resonance
0.2
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
45 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
6.24
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.20
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
319
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.33
mH
VC Diameter
100
mm
Winding height
HVC
10
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.31
T
Force factor
Bl
26.01
N/A
Motor constant
Bl/√RE
11.4
N/√W
Weight
3.3
kg
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
92.1
g
Moving mass (without air load)
MMD
83.2
g
Material
Paper
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
52
L
Mechanical resistance
RMS
4.27
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
12
″
321
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
147
mm
Volume occupied by the driver (estimated)
4.2
L
Net weight
11.7
kg
Frame material
Aluminium Die-Cast
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fS
46 Hz
SD
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102 - 2000 Hz
QTS
0.20
xmax
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SPL1W
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Bl/√RE
7.37
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fS
40 Hz
SD
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40 - 2000 Hz
QTS
0.16
xmax
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SPL1W
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Bl/√RE
11
Pmax
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