8″ / 203 mm
Nominal diameter
40 Hz
Resonance
0.45
Q factor
86 dB
Sensitivity
± 7.85 mm
Linear excursion
160 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.1
dB
Frequency response
40 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
5.87
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
7.85
mm
Air volume displaced at xmax
VD
173
cm³
Power handling
P
80
W
Program power
Pmax
160
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.72
mH
VC Diameter
39
mm
Magnet
Force factor
Bl
9.43
N/A
Motor constant
Bl/√RE
4.97
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
50
g
Moving mass (without air load)
MMD
47.6
g
Material
Paper
Suspensions
Stiffness
KMS
2.95
N/mm
Compliance
CMS
339
µm/N
Equivalent volume to the compliance
VAS
23.3
L
Mechanical resistance
RMS
2.14
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
3.0
kg
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Export this driver to a simulation software:
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fS
38 Hz
SD
220 cm²
38 - 500 Hz
QTS
0.46
xmax
7.0 mm
SPL1W
86 dB
Bl/√RE
4.81
Pmax
140 W
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10″Subwoofer
fS
35 Hz
SD
330 cm²
35 - 500 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
35 Hz
SD
330 cm²
35 - 500 Hz
QTS
0.38
xmax
9.0 mm
SPL1W
87 dB
Bl/√RE
7.32
Pmax
650 W