SICA 3,5 H 1 CS
Mid-range
3.5″ / 88 mm
Nominal diameter
85 Hz
Resonance
0.53
Q factor
85 dB
Sensitivity
± 2.5 mm
Linear excursion
90 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.7
dB
Frequency response
85 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
85.0
Hz
Mechanical quality factor
QMS
6.95
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.53
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
9.6
cm³
Power handling
P
45
W
Program power
Pmax
90
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
25
mm
Winding height
HVC
4
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.04
T
Force factor
Bl
4.83
N/A
Motor constant
Bl/√RE
1.96
N/√W
Weight
0.16
kg
Material
Ferrite
Diaphragm
Effective diameter
70
mm
Effective area
SD
39
cm²
Moving mass
MMS
4.1
g
Moving mass (without air load)
MMD
3.9
g
Material
Paper
Suspensions
Stiffness
KMS
1.17
N/mm
Compliance
CMS
855
µm/N
Equivalent volume to the compliance
VAS
1.8
L
Mechanical resistance
RMS
0.32
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
3.5
″
88
mm
Overall diameter
88
mm
Baffle cutout diameter
81
mm
Overall depth
45
mm
Volume occupied by the driver (estimated)
0.13
L
Net weight
0.4
kg
Frame material
Nylon fiberglass doped
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QSpeakers
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SpeakerbenchSimilar speaker drivers to SICA 3,5 H 1 CS
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3.75″Mid-range
fS
86 Hz
SD
35 cm²
86 - 5000 Hz
QTS
0.62
xmax
2.7 mm
SPL1W
84 dB
Bl/√RE
1.7
Pmax
25 W
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4″Woofer
fS
85 Hz
SD
36 cm²
85 - 13500 Hz
QTS
0.54
xmax
4.0 mm
SPL1W
84 dB
Bl/√RE
1.7
Pmax
45 W
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3.5″Full-range
fS
88 Hz
SD
39 cm²
85 - 20000 Hz
QTS
0.45
xmax
2.5 mm
SPL1W
86 dB
Bl/√RE
1.8
Pmax
60 W