SUPRAVOX 215 GMF
Mid Bass
8″ / 215 mm
Nominal diameter
45 Hz
Resonance
0.33
Q factor
100 dB
Sensitivity
± 5 mm
Linear excursion
80 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
99.7
dB
Frequency response
40 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
6.00
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
143
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
8.0
Ω
Inductance (1kHz, estimated)
LE
0.44
mH
Magnet
Flux density
B
1.5
T
Force factor
Bl
8.0
N/A
Motor constant
Bl/√RE
2.83
N/√W
Diameter
96
mm
Diaphragm
Effective diameter
190
mm
Effective area
SD
285
cm²
Moving mass
MMS
10
g
Moving mass (without air load)
MMD
6.6
g
Suspensions
Stiffness
KMS
1.0
N/mm
Compliance
CMS
1000
µm/N
Equivalent volume to the compliance
VAS
120
L
Mechanical resistance
RMS
0.47
N·s/m
Surround material
Paper
Dimensions
Nominal diameter
8
″
215
mm
Overall diameter
224
mm
Baffle cutout diameter
212
mm
Overall depth
110
mm
Flange thickness
10
mm
Mounting depth
100
mm
Volume occupied by the driver (estimated)
1.1
L
Frame material
Aluminium
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Export this driver to a simulation software:
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fS
45 Hz
SD
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45 - 3800 Hz
QTS
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xmax
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SPL1W
96 dB
Bl/√RE
4.98
Pmax
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8″Full-range
fS
46 Hz
SD
216 cm²
40 - 25000 Hz
QTS
0.38
xmax
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SPL1W
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Bl/√RE
2.47
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fS
50 Hz
SD
474 cm²
50 - 7000 Hz
QTS
0.31
xmax
4.0 mm
SPL1W
102 dB
Bl/√RE
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Pmax
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