8″ / 206 mm
Nominal diameter
116 Hz
Resonance
1.19
Q factor
93 dB
Sensitivity
± 4.75 mm
Linear excursion
400 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.0
dB
Frequency response
115 - 8500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
116
Hz
Mechanical quality factor
QMS
9.05
Electrical quality factor
QES
1.36
Total quality factor
QTS
1.19
Large signal parameters
Maximum linear excursion
xmax
4.75
mm
Air volume displaced at xmax
VD
115
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.24
mH
VC Diameter
38
mm
Winding height
HVC
12
mm
Winding material
Copper Clad Aluminium
Former material
Kapton
Magnet
Force factor
Bl
6.47
N/A
Motor constant
Bl/√RE
3.36
N/√W
Air gap height
HAG
5
mm
Material
Neodymium
Diaphragm
Effective diameter
175
mm
Effective area
SD
241
cm²
Moving mass
MMS
21.2
g
Moving mass (without air load)
MMD
18.6
g
Suspensions
Stiffness
KMS
11.36
N/mm
Compliance
CMS
88
µm/N
Equivalent volume to the compliance
VAS
7.12
L
Mechanical resistance
RMS
1.71
N·s/m
Dimensions
Nominal diameter
8
″
206
mm
Overall diameter
206
mm
Baffle cutout diameter
180
mm
Overall depth
84
mm
Flange thickness
6
mm
Mounting depth
78
mm
Volume occupied by the driver (estimated)
0.32
L
Net weight
0.59
kg
Frame material
Stamped Steel
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to PRV Audio 8MR400-NDY-4
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8″Mid-range
fS
111 Hz
SD
241 cm²
115 - 8500 Hz
QTS
1.01
xmax
4.8 mm
SPL1W
93 dB
Bl/√RE
3.48
Pmax
400 W
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6″Mid Bass
fS
123 Hz
SD
154 cm²
125 - 4500 Hz
QTS
1.25
xmax
4.9 mm
SPL1W
93 dB
Bl/√RE
2.65
Pmax
200 W