12″ / 321 mm
Nominal diameter
49 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 4.5 mm
Linear excursion
800 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
50 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
7.21
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
239
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.02
mH
VC Diameter
75
mm
Winding height
HVC
10
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
16.03
N/A
Motor constant
Bl/√RE
7.17
N/√W
Weight
2.7
kg
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
58
g
Moving mass (without air load)
MMD
49.1
g
Suspensions
Stiffness
KMS
5.5
N/mm
Compliance
CMS
182
µm/N
Equivalent volume to the compliance
VAS
72.8
L
Mechanical resistance
RMS
2.48
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
12
″
321
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
167
mm
Volume occupied by the driver (estimated)
3.7
L
Net weight
8.3
kg
Frame material
Aluminium Die-Cast
Similar speaker drivers to SICA 12 Cx 3 CP
12″Woofer
fS
49 Hz
SD
543 cm²
45 - 2000 Hz
QTS
0.33
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
7.78
Pmax
700 W
15″Triaxial
fS
50 Hz
SD
804 cm²
40 - 22000 Hz
QTS
0.35
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
9.88
Pmax
2000 W
12″Low frequency
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.33
xmax
5.3 mm
SPL1W
95 dB
Bl/√RE
6.97
Pmax
600 W