FaitalPRO 8RS250 8Ω
Woofer
8″ / 200 mm
Nominal diameter
56 Hz
Resonance
0.32
Q factor
92 dB
Sensitivity
± 6.92 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.6
dB
Frequency response
60 - 6300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
56.0
Hz
Mechanical quality factor
QMS
5.70
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
6.92
mm
Maximum excursion before damage
xlim
15.7
mm
Air volume displaced at xmax
VD
154
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.35
mH
VC Diameter
52
mm
Winding height
HVC
16.5
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Flux density
B
1.3
T
Force factor
Bl
13.5
N/A
Motor constant
Bl/√RE
5.65
N/√W
Air gap height
HAG
8
mm
Material
Ferrite Ring
Diaphragm
Effective diameter
169
mm
Effective area
SD
223
cm²
Moving mass
MMS
30.6
g
Moving mass (without air load)
MMD
28.2
g
Suspensions
Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
18.3
L
Mechanical resistance
RMS
1.9
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall size
208 x 224
mm
Baffle cutout diameter
183
mm
Overall depth
108
mm
Flange thickness
15
mm
Mounting depth
93
mm
Volume occupied by the driver
1.17
L
Net weight
4.4
kg
Frame material
Aluminium
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SD
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SD
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