SUPRAVOX 215-2000 mk2

Full-range

8″ / 215 mm
Nominal diameter
65 Hz
Resonance
0.57
Q factor
97 dB
Sensitivity
± 2.9 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
97.0
dB
Frequency response
45 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.57

Large signal parameters

Maximum linear excursion
xmax
2.9
mm
Maximum excursion before damage
xlim
6.5
mm
Air volume displaced at xmax
VD
65
cm³
Power handling
P
35
W
Program power
Pmax
70
W

Voice Coil

Nominal impedance
Z
6
Ω
DC resistance
RE
4.1
Ω
Inductance (1kHz)
LE
0.18
mH
VC Diameter
35
mm

Magnet

Flux density
B
1.4
T
Force factor
Bl
4.64
N/A
Motor constant
Bl/√RE
2.29
N/√W
Material
Alnico

Diaphragm

Effective diameter
168
mm
Effective area
SD
222
cm²
Moving mass
MMS
8.1
g
Moving mass (without air load)
MMD
5.6
g

Suspensions

Stiffness
KMS
1.33
N/mm
Compliance
CMS
750
µm/N
Equivalent volume to the compliance
VAS
52
L
Mechanical resistance
RMS
0.41
N·s/m
Surround material
Paper

Dimensions

Nominal diameter
8
215
mm
Overall diameter
224
mm
Baffle cutout diameter
212
mm
Overall depth
157
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
4.8
kg
Frame material
Aluminium
SUPRAVOX 215-2000 mk2 SPL

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Similar woofers to SUPRAVOX 215-2000 mk2

SUPRAVOX 165 EXC Full-range
6.5Full-range
fS
65 Hz
SD
165 cm²
60 - 20000 Hz
QTS
0.65
SPL1W
96 dB
Bl/√RE
1.69
Pmax
70 W