8″ / 200 mm
Nominal diameter
74 Hz
Resonance
0.38
Q factor
92 dB
Sensitivity
± 6.8 mm
Linear excursion
500 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
92.3
dB
Frequency response
70 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
74.0
Hz
Mechanical quality factor
QMS
5.50
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
6.8
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
154
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.82
mH
VC Diameter
50
mm
Winding height
HVC
17
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
12.7
N/A
Motor constant
Bl/√RE
5.68
N/√W
Air gap height
HAG
7
mm
Diaphragm
Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
28
g
Moving mass (without air load)
MMD
25.6
g
Suspensions
Stiffness
KMS
6.14
N/mm
Compliance
CMS
163
µm/N
Equivalent volume to the compliance
VAS
12
L
Mechanical resistance
RMS
2.37
N·s/m
Surround material
M-Roll - Polycotton
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
200
mm
Baffle cutout diameter
186
mm
Overall depth
96
mm
Flange thickness
9
mm
Mounting depth
87
mm
Volume occupied by the driver (estimated)
0.92
L
Net weight
2.7
kg
Similar woofers to Ciare PWA8.50
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
67 Hz
SD
214 cm²
65 - 3000 Hz
QTS
0.32
xmax
4.5 mm
SPL1W
93 dB
Bl/√RE
4.97
Pmax
400 W
8″Woofer
fS
70 Hz
SD
223 cm²
80 - 5000 Hz
QTS
0.41
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
5.34
Pmax
500 W