SICA 15 SR 4 CP
Subwoofer
15″ / 389 mm
Nominal diameter
34 Hz
Resonance
0.29
Q factor
93 dB
Sensitivity
± 8 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.6
dB
Frequency response
35 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
5.53
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
604
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.83
mH
VC Diameter
100
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
1.12
T
Force factor
Bl
25.03
N/A
Motor constant
Bl/√RE
11.1
N/√W
Weight
3.3
kg
Material
Ferrite
Diaphragm
Effective diameter
310
mm
Effective area
SD
755
cm²
Moving mass
MMS
175.1
g
Moving mass (without air load)
MMD
159.9
g
Material
Paper
Suspensions
Stiffness
KMS
8.0
N/mm
Compliance
CMS
125
µm/N
Equivalent volume to the compliance
VAS
101
L
Mechanical resistance
RMS
6.76
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
15
″
389
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
175
mm
Volume occupied by the driver (estimated)
5.5
L
Net weight
12.3
kg
Frame material
Aluminium Die-Cast
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SpeakerbenchSimilar subwoofers to SICA 15 SR 4 CP
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15″Subwoofer
fS
38 Hz
SD
841 cm²
40 - 2500 Hz
QTS
0.30
xmax
12.9 mm
SPL1W
93 dB
Bl/√RE
13
Pmax
2800 W
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15″Subwoofer
fS
37 Hz
SD
855 cm²
40 - 1500 Hz
QTS
0.28
xmax
12.5 mm
SPL1W
94 dB
Bl/√RE
12
Pmax
3000 W