SICA 5,5 C 1,5 CP
Coaxial
5.5″ / 140 mm
Nominal diameter
62 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 4 mm
Linear excursion
240 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.6
dB
Frequency response
60 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
62.0
Hz
Mechanical quality factor
QMS
4.67
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
31
cm³
Power handling
P
120
W
Program power
Pmax
240
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
38
mm
Winding height
HVC
5
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
7.89
N/A
Motor constant
Bl/√RE
3.49
N/√W
Weight
0.515
kg
Material
Ferrite
Diaphragm
Effective diameter
100
mm
Effective area
SD
79
cm²
Moving mass
MMS
10.6
g
Moving mass (without air load)
MMD
10
g
Material
Paper
Suspensions
Stiffness
KMS
1.61
N/mm
Compliance
CMS
621
µm/N
Equivalent volume to the compliance
VAS
5.4
L
Mechanical resistance
RMS
0.88
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
5.5
″
140
mm
Overall diameter
148
mm
Baffle cutout diameter
113
mm
Overall depth
74
mm
Volume occupied by the driver (estimated)
0.48
L
Net weight
1.7
kg
Frame material
Aluminium Die-Cast
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QSpeakers
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SpeakerbenchSimilar speaker drivers to SICA 5,5 C 1,5 CP
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4″Mid-range
fS
66 Hz
SD
55 cm²
66 - 5000 Hz
QTS
0.32
xmax
2.0 mm
SPL1W
88 dB
Bl/√RE
2.53
Pmax
80 W
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