PRV Audio 8MR400A

Mid-range

8″ / 209 mm
Nominal diameter
79 Hz
Resonance
0.89
Q factor
93 dB
Sensitivity
± 3 mm
Linear excursion
400 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
93.3
dB
Frequency response
80 - 8500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
79.1
Hz
Mechanical quality factor
QMS
10.79
Electrical quality factor
QES
0.97
Total quality factor
QTS
0.89

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
73
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
38
mm
Winding height
HVC
8.8
mm
Winding material
Copper Clad Aluminium
Former material
Kapton

Magnet

Force factor
Bl
6.8
N/A
Motor constant
Bl/√RE
2.75
N/√W
Air gap height
HAG
5.5
mm
Material
Ferrite

Diaphragm

Effective diameter
176
mm
Effective area
SD
243
cm²
Moving mass
MMS
15.1
g
Moving mass (without air load)
MMD
12.4
g

Suspensions

Stiffness
KMS
3.73
N/mm
Compliance
CMS
268
µm/N
Equivalent volume to the compliance
VAS
22.2
L
Mechanical resistance
RMS
0.7
N·s/m

Dimensions

Nominal diameter
8
209
mm
Overall diameter
209
mm
Baffle cutout diameter
181
mm
Overall depth
96
mm
Flange thickness
6
mm
Mounting depth
90
mm
Volume occupied by the driver (estimated)
0.78
L
Net weight
2.0
kg
Frame material
Stamped Steel
PRV Audio 8MR400A SPL
PRV Audio 8MR400A Dimensions

Export this driver to a simulation software:

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