PRV Audio 4MR60-NDY-4

Full-range

4″ / 102 mm
Nominal diameter
96 Hz
Resonance
0.85
Q factor
86 dB
Sensitivity
± 1.4 mm
Linear excursion
60 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
86.0
dB
Frequency response
90 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
95.6
Hz
Mechanical quality factor
QMS
4.74
Electrical quality factor
QES
1.04
Total quality factor
QTS
0.85

Large signal parameters

Maximum linear excursion
xmax
1.4
mm
Air volume displaced at xmax
VD
7.8
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Peak power
Ppeak
120
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.05
mH
VC Diameter
19
mm
Winding height
HVC
4.8
mm
Winding material
Copper Clad Aluminium
Former material
Polyimide

Magnet

Force factor
Bl
2.82
N/A
Motor constant
Bl/√RE
1.55
N/√W
Air gap height
HAG
4
mm

Diaphragm

Effective diameter
84
mm
Effective area
SD
55
cm²
Moving mass
MMS
4.2
g
Moving mass (without air load)
MMD
3.8
g

Suspensions

Stiffness
KMS
1.51
N/mm
Compliance
CMS
664
µm/N
Equivalent volume to the compliance
VAS
2.85
L
Mechanical resistance
RMS
0.53
N·s/m

Dimensions

Nominal diameter
4
102
mm
Overall diameter
128
mm
Baffle cutout diameter
93
mm
Overall depth
50
mm
Flange thickness
5
mm
Mounting depth
45
mm
Volume occupied by the driver (estimated)
0.18
L
Net weight
0.25
kg
Frame material
Stamped Steel
PRV Audio 4MR60-NDY-4 Impedance
PRV Audio 4MR60-NDY-4 SPL
PRV Audio 4MR60-NDY-4 Dimensions

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SD
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