SICA 12 L1 2,5 SL
Woofer
12″ / 318 mm
Nominal diameter
48 Hz
Resonance
0.36
Q factor
95 dB
Sensitivity
± 3.7 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
47.5
Hz
Mechanical quality factor
QMS
7.50
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
3.7
mm
Air volume displaced at xmax
VD
182
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.75
mH
VC Diameter
65
mm
Winding height
HVC
8
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.15
T
Force factor
Bl
14.2
N/A
Motor constant
Bl/√RE
6.05
N/√W
Weight
0.22
kg
Material
Neodymium
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
47
g
Moving mass (without air load)
MMD
38.9
g
Material
Paper
Suspensions
Stiffness
KMS
4.18
N/mm
Compliance
CMS
239
µm/N
Equivalent volume to the compliance
VAS
81.8
L
Mechanical resistance
RMS
1.87
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
12
″
318
mm
Overall diameter
318
mm
Baffle cutout diameter
287
mm
Overall depth
130
mm
Volume occupied by the driver (estimated)
1.4
L
Net weight
2.3
kg
Frame material
Pressed Sheet Steel
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SpeakerbenchSimilar woofers to SICA 12 L1 2,5 SL
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12″Subwoofer
fS
48 Hz
SD
529 cm²
45 - 4000 Hz
QTS
0.37
xmax
7.3 mm
SPL1W
96 dB
Bl/√RE
6.65
Pmax
1000 W
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12″Subwoofer
fS
50 Hz
SD
533 cm²
50 - 5000 Hz
QTS
0.41
xmax
4.9 mm
SPL1W
95 dB
Bl/√RE
6.5
Pmax
600 W