12″ / 305 mm
Nominal diameter
55 Hz
Resonance
0.27
Q factor
99 dB
Sensitivity
± 4.75 mm
Linear excursion
900 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.9
dB
Frequency response
55 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
10.53
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
4.75
mm
Air volume displaced at xmax
VD
262
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
76
mm
Winding height
HVC
19
mm
Winding material
Flat aluminium wire
Former material
Kapton
Magnet
Flux density
B
1.4
T
Force factor
Bl
20.6
N/A
Motor constant
Bl/√RE
8.08
N/√W
Air gap height
HAG
9.5
mm
Material
Neodymium
Diaphragm
Effective diameter
263
mm
Effective area
SD
552
cm²
Moving mass
MMS
52.2
g
Moving mass (without air load)
MMD
43.2
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
6.37
N/mm
Compliance
CMS
157
µm/N
Equivalent volume to the compliance
VAS
67.8
L
Mechanical resistance
RMS
1.71
N·s/m
Surround material
Cloth
Spider material
Cotton
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
313
mm
Baffle cutout diameter
283
mm
Overall depth
150
mm
Flange thickness
19
mm
Mounting depth
131
mm
Volume occupied by the driver (estimated)
2.6
L
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to P.Audio 12NX-76MB
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12″Coaxial
fS
58 Hz
SD
531 cm²
60 - 4000 Hz
QTS
0.29
xmax
5.5 mm
SPL1W
98 dB
Bl/√RE
7.53
Pmax
800 W
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12″Coaxial
fS
58 Hz
SD
515 cm²
60 - 16000 Hz
QTS
0.30
xmax
5.3 mm
SPL1W
98 dB
Bl/√RE
7.2
Pmax
700 W
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12″Coaxial
fS
58 Hz
SD
531 cm²
60 - 5000 Hz
QTS
0.29
xmax
5.5 mm
SPL1W
98 dB
Bl/√RE
7.53
Pmax
800 W