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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
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
SUPRAVOX 215 RTF 64 Bi-cone Impedance
SUPRAVOX 215 RTF 64 Bi-cone SPL
SUPRAVOX 215 RTF 64 Bi-cone SPL 30°
SUPRAVOX 215 RTF 64 Bi-cone SPL 60°
SUPRAVOX 215 RTF 64 Bi-cone Impulse response
SUPRAVOX 215 RTF 64 Bi-cone Waterfall

Export this driver to a simulation software:

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