SICA 15 S 4 PL
Subwoofer
15″ / 388 mm
Nominal diameter
38 Hz
Resonance
0.28
Q factor
95 dB
Sensitivity
± 8.5 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
35 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
14.50
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
8.5
mm
Air volume displaced at xmax
VD
727
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
1.38
mH
VC Diameter
100
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
1.21
T
Force factor
Bl
23.84
N/A
Motor constant
Bl/√RE
10.6
N/√W
Weight
0.536
kg
Material
Neodymium
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
134.1
g
Moving mass (without air load)
MMD
116.7
g
Material
Paper
Suspensions
Stiffness
KMS
7.63
N/mm
Compliance
CMS
131
µm/N
Equivalent volume to the compliance
VAS
136
L
Mechanical resistance
RMS
2.21
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
177
mm
Volume occupied by the driver (estimated)
3.9
L
Net weight
7.0
kg
Frame material
Aluminium Die-Cast
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SpeakerbenchSimilar subwoofers to SICA 15 S 4 PL
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15″Subwoofer
fS
38 Hz
SD
864 cm²
40 - 3150 Hz
QTS
0.27
xmax
11.3 mm
SPL1W
95 dB
Bl/√RE
10
Pmax
1400 W
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15″Woofer
fS
38 Hz
SD
830 cm²
38 - 2500 Hz
QTS
0.27
xmax
7.3 mm
SPL1W
96 dB
Bl/√RE
10.0
Pmax
1000 W
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