8″ / 210 mm
Nominal diameter
67 Hz
Resonance
0.32
Q factor
93 dB
Sensitivity
± 4.5 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.7
dB
Frequency response
65 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
67.0
Hz
Mechanical quality factor
QMS
2.27
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
96
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
0.78
mH
VC Diameter
50
mm
Winding height
HVC
8
mm
Magnet
Flux density
B
1.2
T
Force factor
Bl
12.27
N/A
Motor constant
Bl/√RE
4.97
N/√W
Weight
0.93
kg
Diaphragm
Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
21.7
g
Moving mass (without air load)
MMD
19.4
g
Suspensions
Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
16.9
L
Mechanical resistance
RMS
4.02
N·s/m
Surround material
Treated Cloth
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)
0.96
L
Net weight
2.8
kg
Frame material
Aluminium Die-Cast
Similar woofers to SICA 8 Fe 2 CP
8″Mid-range
fS
68 Hz
SD
200 cm²
65 - 3000 Hz
QTS
0.31
xmax
7.0 mm
SPL1W
93 dB
Bl/√RE
5.21
Pmax
400 W
8″Woofer
fS
64 Hz
SD
214 cm²
65 - 3000 Hz
QTS
0.32
xmax
3.5 mm
SPL1W
93 dB
Bl/√RE
4.98
Pmax
400 W
8″Woofer
fS
65 Hz
SD
216 cm²
70 - 5000 Hz
QTS
0.34
xmax
7.2 mm
SPL1W
92 dB
Bl/√RE
5.2
Pmax
400 W