8″ / 210 mm
Nominal diameter
77 Hz
Resonance
0.88
Q factor
91 dB
Sensitivity
± 4.5 mm
Linear excursion
450 W
Program Power
.jpg)
.jpg)
.jpg)
Sensitivity (1W, 1m, infinite baffle)
SPL1W
91.3
dB
Frequency response
75 - 7500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
76.6
Hz
Mechanical quality factor
QMS
22.84
Electrical quality factor
QES
0.92
Total quality factor
QTS
0.88
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
109
cm³
Power handling
P
225
W
Program power
Pmax
450
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.17
mH
VC Diameter
51
mm
Winding height
HVC
12
mm
Winding material
Copper Clad Aluminium
Former material
Kapton
Magnet
Force factor
Bl
6.19
N/A
Motor constant
Bl/√RE
3.26
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
175
mm
Effective area
SD
241
cm²
Moving mass
MMS
20.5
g
Moving mass (without air load)
MMD
17.8
g
Suspensions
Stiffness
KMS
4.76
N/mm
Compliance
CMS
210
µm/N
Equivalent volume to the compliance
VAS
17
L
Mechanical resistance
RMS
0.43
N·s/m
Dimensions
Nominal diameter
8
″
210
mm
Overall diameter
210
mm
Baffle cutout diameter
182
mm
Overall depth
92
mm
Flange thickness
8
mm
Mounting depth
84
mm
Volume occupied by the driver (estimated)
0.73
L
Net weight
1.86
kg
Frame material
Stamped Steel
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to PRV Audio 8MB450-4 v2
.jpg.webp)
8″Mid Bass
fS
75 Hz
SD
241 cm²
75 - 7500 Hz
QTS
1.05
xmax
4.5 mm
SPL1W
91 dB
Bl/√RE
2.94
Pmax
450 W
.jpg.webp)
8″Mid-range
fS
73 Hz
SD
211 cm²
82 - 6000 Hz
QTS
0.70
xmax
0.5 mm
SPL1W
91 dB
Bl/√RE
3.16
Pmax
300 W
.jpg.webp)
8″Mid-range
fS
79 Hz
SD
243 cm²
80 - 8500 Hz
QTS
0.89
xmax
3.0 mm
SPL1W
93 dB
Bl/√RE
2.75
Pmax
400 W