SICA 12 SR 3 PL
Subwoofer
12″ / 320 mm
Nominal diameter
36 Hz
Resonance
0.42
Q factor
90 dB
Sensitivity
± 7 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.7
dB
Frequency response
35 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
5.90
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
344
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.15
mH
VC Diameter
75
mm
Winding height
HVC
10
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
1.19
T
Force factor
Bl
17.02
N/A
Motor constant
Bl/√RE
7.39
N/√W
Weight
0.36
kg
Material
Neodymium
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
108.5
g
Moving mass (without air load)
MMD
100.4
g
Material
Paper
Suspensions
Stiffness
KMS
5.65
N/mm
Compliance
CMS
177
µm/N
Equivalent volume to the compliance
VAS
60.4
L
Mechanical resistance
RMS
4.16
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
143
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
3.5
kg
Frame material
Aluminium Die-Cast
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SpeakerbenchSimilar subwoofers to SICA 12 SR 3 PL
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10″Woofer
fS
35 Hz
SD
362 cm²
35 - 2500 Hz
QTS
0.42
xmax
6.5 mm
SPL1W
89 dB
Bl/√RE
5.67
Pmax
240 W
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12″Subwoofer
fS
37 Hz
SD
491 cm²
35 - 3000 Hz
QTS
0.40
xmax
8.0 mm
SPL1W
90 dB
Bl/√RE
7.27
Pmax
900 W
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