PRV Audio 12MR1200X

Low frequency

12″ / 305 mm
Nominal diameter
53 Hz
Resonance
0.21
Q factor
100 dB
Sensitivity
± 4.5 mm
Linear excursion
1200 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
100.0
dB
Frequency response
70 - 6500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
52.5
Hz
Mechanical quality factor
QMS
8.56
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.21

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
248
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Peak power
Ppeak
2400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
76
mm
Winding height
HVC
14
mm
Winding material
Copper
Former material
Glass fiber

Magnet

Force factor
Bl
22.0
N/A
Motor constant
Bl/√RE
9.14
N/√W
Air gap height
HAG
10
mm

Diaphragm

Effective diameter
265
mm
Effective area
SD
552
cm²
Moving mass
MMS
54.3
g
Moving mass (without air load)
MMD
45.1
g

Suspensions

Stiffness
KMS
5.92
N/mm
Compliance
CMS
169
µm/N
Equivalent volume to the compliance
VAS
71.8
L
Mechanical resistance
RMS
2.09
N·s/m

Dimensions

Nominal diameter
12
305
mm
Overall diameter
316
mm
Baffle cutout diameter
285
mm
Overall depth
138
mm
Flange thickness
16
mm
Mounting depth
122
mm
Volume occupied by the driver (estimated)
3.5
L
Net weight
9.36
kg
Frame material
Die Cast Aluminium
PRV Audio 12MR1200X Impedance
PRV Audio 12MR1200X SPL
PRV Audio 12MR1200X Dimensions

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fS
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SD
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Bl/√RE
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Pmax
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fS
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SD
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