PRV Audio 12W750A
Woofer
12″ / 310 mm
Nominal diameter
60 Hz
Resonance
0.43
Q factor
98 dB
Sensitivity
± 3.62 mm
Linear excursion
750 W
Program Power
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Specifications
Sensitivity (1W, 1m, infinite baffle)
SPL1W
97.6
dB
Frequency response
60 - 5500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
59.9
Hz
Mechanical quality factor
QMS
17.45
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
3.62
mm
Air volume displaced at xmax
VD
212
cm³
Power handling
P
375
W
Program power
Pmax
750
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.71
mH
VC Diameter
64
mm
Winding height
HVC
11.5
mm
Winding material
Copper Clad Aluminium
Former material
Kapton
Magnet
Force factor
Bl
14.29
N/A
Motor constant
Bl/√RE
5.93
N/√W
Air gap height
HAG
8.5
mm
Material
Ferrite
Diaphragm
Effective diameter
273
mm
Effective area
SD
585
cm²
Moving mass
MMS
41.7
g
Moving mass (without air load)
MMD
32.2
g
Suspensions
Stiffness
KMS
5.92
N/mm
Compliance
CMS
169
µm/N
Equivalent volume to the compliance
VAS
81
L
Mechanical resistance
RMS
0.9
N·s/m
Dimensions
Nominal diameter
12
″
310
mm
Overall diameter
310
mm
Baffle cutout diameter
281
mm
Overall depth
139
mm
Flange thickness
9
mm
Mounting depth
130
mm
Volume occupied by the driver (estimated)
2.3
L
Net weight
4.92
kg
Frame material
Stamped Steel
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