PRV Audio 8MB500v2-NDY
Mid Bass
8″ / 209 mm
Nominal diameter
71 Hz
Resonance
0.43
Q factor
93 dB
Sensitivity
± 4.75 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.6
dB
Frequency response
75 - 7500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
71.4
Hz
Mechanical quality factor
QMS
5.76
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
4.75
mm
Air volume displaced at xmax
VD
112
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.44
mH
VC Diameter
51
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
11.6
N/A
Motor constant
Bl/√RE
4.78
N/√W
Air gap height
HAG
5
mm
Material
Neodymium
Diaphragm
Effective diameter
173
mm
Effective area
SD
235
cm²
Moving mass
MMS
23.7
g
Moving mass (without air load)
MMD
21.1
g
Suspensions
Stiffness
KMS
4.79
N/mm
Compliance
CMS
209
µm/N
Equivalent volume to the compliance
VAS
16.1
L
Mechanical resistance
RMS
1.85
N·s/m
Dimensions
Nominal diameter
8
″
209
mm
Overall diameter
209
mm
Baffle cutout diameter
179
mm
Overall depth
90
mm
Flange thickness
6
mm
Mounting depth
84
mm
Volume occupied by the driver (estimated)
0.5
L
Net weight
1.07
kg
Frame material
Stamped Steel
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fS
70 Hz
SD
223 cm²
80 - 5000 Hz
QTS
0.44
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
4.69
Pmax
500 W
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10″Mid Bass
fS
68 Hz
SD
317 cm²
65 - 3000 Hz
QTS
0.41
xmax
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SPL1W
93 dB
Bl/√RE
6.52
Pmax
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fS
68 Hz
SD
220 cm²
65 - 4000 Hz
QTS
0.38
xmax
6.0 mm
SPL1W
94 dB
Bl/√RE
4.29
Pmax
400 W