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
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
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
SICA 6,5 C 1,5 CP SPL & Impedance
SICA 6,5 C 1,5 CP Dimensions

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