SICA 4 C 1,5 CP

Coaxial

4″ / 106 mm
Nominal diameter
102 Hz
Resonance
0.32
Q factor
89 dB
Sensitivity
± 2 mm
Linear excursion
200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.0
dB
Frequency response
100 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
102
Hz
Mechanical quality factor
QMS
4.05
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
10
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.35
mH
VC Diameter
38
mm
Winding height
HVC
5
mm
Winding material
Copper
Former material
Epotex

Magnet

Force factor
Bl
7.27
N/A
Motor constant
Bl/√RE
3.22
N/√W
Weight
0.405
kg
Material
Ferrite

Diaphragm

Effective diameter
81
mm
Effective area
SD
52
cm²
Moving mass
MMS
5.4
g
Moving mass (without air load)
MMD
5.1
g
Material
Surface Treated Paper

Suspensions

Stiffness
KMS
2.42
N/mm
Compliance
CMS
413
µm/N
Equivalent volume to the compliance
VAS
1.5
L
Mechanical resistance
RMS
0.85
N·s/m
Surround material
Treated Cloth

Dimensions

Nominal diameter
4
106
mm
Overall size
106 x 106
mm
Baffle cutout diameter
91
mm
Overall depth
69
mm
Volume occupied by the driver (estimated)
0.38
L
Net weight
1.8
kg
Frame material
Aluminium Die-Cast
SICA 4 C 1,5 CP SPL & Impedance
SICA 4 C 1,5 CP Dimensions

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