SUPRAVOX 215 RTF 64 Bi-cone
Full-range
8″ / 215 mm
Nominal diameter
52 Hz
Resonance
0.53
Q factor
97 dB
Sensitivity
± 2 mm
Linear excursion
70 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.5
dB
Frequency response
50 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.53
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
53
cm³
Power handling
P
35
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz, estimated)
LE
0.35
mH
Magnet
Flux density
B
1.5
T
Force factor
Bl
5.3
N/A
Motor constant
Bl/√RE
2.08
N/√W
Diameter
120
mm
Diaphragm
Effective diameter
183
mm
Effective area
SD
263
cm²
Moving mass
MMS
9.5
g
Moving mass (without air load)
MMD
6.4
g
Suspensions
Stiffness
KMS
1.25
N/mm
Compliance
CMS
800
µm/N
Equivalent volume to the compliance
VAS
75
L
Mechanical resistance
RMS
0.62
N·s/m
Surround material
Paper
Dimensions
Nominal diameter
8
″
215
mm
Overall diameter
224
mm
Baffle cutout diameter
212
mm
Overall depth
100
mm
Flange thickness
10
mm
Mounting depth
90
mm
Volume occupied by the driver (estimated)
0.96
L
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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fS
60 Hz
SD
263 cm²
50 - 10000 Hz
QTS
0.58
xmax
2.0 mm
SPL1W
99 dB
Bl/√RE
2.27
Pmax
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fS
50 Hz
SD
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57 - 4500 Hz
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SD
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50 - 4500 Hz
QTS
0.55
xmax
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SPL1W
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Bl/√RE
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Pmax
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