SUPRAVOX 215-2000

Full-range

8″ / 215 mm
Nominal diameter
47 Hz
Resonance
0.23
Q factor
104 dB
Sensitivity
± 5 mm
Linear excursion
40 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
104.2
dB
Frequency response
50 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
47.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.23

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
142
cm³
Power handling
P
20
W
Program power
Pmax
40
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
4.0
Ω
Inductance (1kHz, estimated)
LE
0.18
mH

Magnet

Flux density
B
2.1
T
Force factor
Bl
6.5
N/A
Motor constant
Bl/√RE
3.25
N/√W
Weight
3.5
kg
Material
Alnico

Diaphragm

Effective diameter
190
mm
Effective area
SD
283
cm²
Moving mass
MMS
7
g
Moving mass (without air load)
MMD
3.7
g

Suspensions

Stiffness
KMS
1.0
N/mm
Compliance
CMS
1000
µm/N
Equivalent volume to the compliance
VAS
121
L
Mechanical resistance
RMS
0.26
N·s/m
Surround material
Paper

Dimensions

Nominal diameter
8
215
mm
Overall diameter
224
mm
Baffle cutout diameter
212
mm
Overall depth
147
mm
Flange thickness
10
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
1.6
L
Frame material
Aluminium
SUPRAVOX 215-2000 Impedance
SUPRAVOX 215-2000 SPL
SUPRAVOX 215-2000 SPL 30°
SUPRAVOX 215-2000 SPL 60°
SUPRAVOX 215-2000 Impulse response
SUPRAVOX 215-2000 Waterfall

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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fS
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SD
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xmax
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Pmax
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SD
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