SICA 8 S 2,5 CP
Subwoofer
8″ / 210 mm
Nominal diameter
54 Hz
Resonance
0.33
Q factor
91 dB
Sensitivity
± 5 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.5
dB
Frequency response
50 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
54.0
Hz
Mechanical quality factor
QMS
3.44
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
107
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
65
mm
Winding height
HVC
8
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
0.89
T
Force factor
Bl
11.9
N/A
Motor constant
Bl/√RE
5.27
N/√W
Weight
1.43
kg
Material
Ferrite
Diaphragm
Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
30.3
g
Moving mass (without air load)
MMD
28
g
Material
Paper
Suspensions
Stiffness
KMS
3.48
N/mm
Compliance
CMS
287
µm/N
Equivalent volume to the compliance
VAS
18.6
L
Mechanical resistance
RMS
2.99
N·s/m
Surround material
Rubber, Treated Cloth
Dimensions
Nominal diameter
8
″
210
mm
Overall diameter
210
mm
Baffle cutout diameter
184
mm
Overall depth
98
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
4.5
kg
Frame material
Aluminium Die-Cast
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SD
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SD
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xmax
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