PRV Audio 8MR500-NDY-4
Mid-range
8″ / 206 mm
Nominal diameter
95 Hz
Resonance
0.77
Q factor
94 dB
Sensitivity
± 3 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
95 - 9000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
95.1
Hz
Mechanical quality factor
QMS
15.60
Electrical quality factor
QES
0.81
Total quality factor
QTS
0.77
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
72
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.19
mH
VC Diameter
38
mm
Winding height
HVC
9
mm
Winding material
Copper Clad Aluminium
Former material
Kapton
Magnet
Force factor
Bl
6.54
N/A
Motor constant
Bl/√RE
3.4
N/√W
Air gap height
HAG
6
mm
Material
Neodymium
Diaphragm
Effective diameter
175
mm
Effective area
SD
241
cm²
Moving mass
MMS
15.8
g
Moving mass (without air load)
MMD
13.1
g
Suspensions
Stiffness
KMS
5.62
N/mm
Compliance
CMS
178
µm/N
Equivalent volume to the compliance
VAS
14.4
L
Mechanical resistance
RMS
0.6
N·s/m
Dimensions
Nominal diameter
8
″
206
mm
Overall diameter
206
mm
Baffle cutout diameter
182
mm
Overall depth
80
mm
Flange thickness
-5
mm
Mounting depth
85
mm
Volume occupied by the driver (estimated)
0.46
L
Net weight
1.06
kg
Frame material
Stamped Steel
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SpeakerbenchSimilar woofers to PRV Audio 8MR500-NDY-4
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6 x 9″Mid-range
fS
92 Hz
SD
231 cm²
500 - 12000 Hz
QTS
0.65
xmax
2.9 mm
SPL1W
95 dB
Bl/√RE
3.54
Pmax
500 W
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8″Woofer
fS
80 Hz
SD
209 cm²
60 - 5000 Hz
QTS
0.63
xmax
4.7 mm
SPL1W
93 dB
Bl/√RE
3.38
Pmax
260 W
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