8″ / 213 mm
Nominal diameter
30 Hz
Resonance
0.39
Q factor
82 dB
Sensitivity
± 12 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.1
dB
Frequency response
30 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
29.6
Hz
Mechanical quality factor
QMS
2.78
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
12.0
mm
Air volume displaced at xmax
VD
256
cm³
Power handling
P
300
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
1.46
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
15.6
N/A
Motor constant
Bl/√RE
6.42
N/√W
Material
Ferrite
Diaphragm
Effective diameter
165
mm
Effective area
SD
213
cm²
Moving mass
MMS
99.3
g
Moving mass (without air load)
MMD
97
g
Material
Aluminum
Suspensions
Stiffness
KMS
3.45
N/mm
Compliance
CMS
290
µm/N
Equivalent volume to the compliance
VAS
18.7
L
Mechanical resistance
RMS
6.64
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
8
″
213
mm
Overall diameter
213
mm
Baffle cutout diameter
185
mm
Overall depth
126
mm
Volume occupied by the driver (estimated)
1.2
L
Frame material
Cast Aluminmun
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8″Subwoofer
fS
30 Hz
SD
214 cm²
30 - 1500 Hz
QTS
0.40
xmax
11.0 mm
SPL1W
82 dB
Bl/√RE
6.32
Pmax
600 W
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6.5″Subwoofer
fS
29 Hz
SD
176 cm²
29 - 300 Hz
QTS
0.44
xmax
10.0 mm
SPL1W
81 dB
Bl/√RE
5.52
Pmax
110 W
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