SICA 6,5 C 1,5 CP
Coaxial
6.5″ / 174 mm
Nominal diameter
51 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 4.5 mm
Linear excursion
240 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.7
dB
Frequency response
55 - 18000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.8
Hz
Mechanical quality factor
QMS
6.09
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
55
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
0.44
mH
VC Diameter
38
mm
Winding height
HVC
5
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
7.21
N/A
Motor constant
Bl/√RE
3.19
N/√W
Weight
0.515
kg
Material
Ferrite
Diaphragm
Effective diameter
125
mm
Effective area
SD
123
cm²
Moving mass
MMS
13.1
g
Moving mass (without air load)
MMD
12
g
Material
Paper
Suspensions
Stiffness
KMS
1.34
N/mm
Compliance
CMS
745
µm/N
Equivalent volume to the compliance
VAS
15.9
L
Mechanical resistance
RMS
0.69
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
6.5
″
174
mm
Overall diameter
175
mm
Baffle cutout diameter
143
mm
Overall depth
80
mm
Volume occupied by the driver (estimated)
0.56
L
Net weight
1.7
kg
Frame material
Aluminium Die-Cast
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6.5″Woofer
fS
48 Hz
SD
143 cm²
55 - 3000 Hz
QTS
0.39
xmax
7.3 mm
SPL1W
88 dB
Bl/√RE
3.39
Pmax
60 W
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5″Full-range
fS
60 Hz
SD
94 cm²
60 - 20000 Hz
QTS
0.41
xmax
3.0 mm
SPL1W
90 dB
Bl/√RE
2.27
Pmax
56 W