SICA 8 H 2 CP

Woofer

8″ / 210 mm
Nominal diameter
38 Hz
Resonance
0.48
Q factor
87 dB
Sensitivity
± 6.5 mm
Linear excursion
400 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
87.2
dB
Frequency response
35 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
5.25
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.48

Large signal parameters

Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
139
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.59
mH
VC Diameter
50
mm
Winding height
HVC
5
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
0.89
T
Force factor
Bl
9.45
N/A
Motor constant
Bl/√RE
3.83
N/√W
Weight
0.93
kg
Material
Ferrite

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
32.7
g
Moving mass (without air load)
MMD
30.4
g
Material
Paper

Suspensions

Stiffness
KMS
1.87
N/mm
Compliance
CMS
536
µm/N
Equivalent volume to the compliance
VAS
34.8
L
Mechanical resistance
RMS
1.49
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
8
210
mm
Overall diameter
210
mm
Baffle cutout diameter
184
mm
Overall depth
93
mm
Volume occupied by the driver (estimated)
0.93
L
Net weight
2.7
kg
Frame material
Aluminium Die-Cast
SICA 8 H 2 CP SPL & Impedance
SICA 8 H 2 CP Dimensions

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SD
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