PRV Audio 8MR500-4 BULLET

Mid-range

8″ / 203 mm
Nominal diameter
78 Hz
Resonance
0.46
Q factor
98 dB
Sensitivity
± 3.25 mm
Linear excursion
500 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

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
97.9
dB
Frequency response
95 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
78.2
Hz
Mechanical quality factor
QMS
20.80
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.46

Large signal parameters

Maximum linear excursion
xmax
3.25
mm
Air volume displaced at xmax
VD
78
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Peak power
Ppeak
1000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.13
mH
VC Diameter
38
mm
Winding height
HVC
9.5
mm
Winding material
Copper Clad Aluminium
Former material
Kapton

Magnet

Force factor
Bl
6.45
N/A
Motor constant
Bl/√RE
3.45
N/√W
Air gap height
HAG
6
mm

Diaphragm

Effective diameter
175
mm
Effective area
SD
241
cm²
Moving mass
MMS
11.5
g
Moving mass (without air load)
MMD
8.8
g

Suspensions

Stiffness
KMS
2.78
N/mm
Compliance
CMS
360
µm/N
Equivalent volume to the compliance
VAS
20.8
L
Mechanical resistance
RMS
0.27
N·s/m

Dimensions

Nominal diameter
8
203
mm
Overall diameter
210
mm
Baffle cutout diameter
186
mm
Overall depth
88
mm
Flange thickness
7
mm
Mounting depth
81
mm
Volume occupied by the driver (estimated)
0.82
L
Net weight
2.35
kg
Frame material
Stamped Steel
PRV Audio 8MR500-4 BULLET Impedance
PRV Audio 8MR500-4 BULLET SPL
PRV Audio 8MR500-4 BULLET Dimensions

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