P.Audio 12NT-100MB
FT
NT
Low frequency
12″ / 305 mm
Nominal diameter
55 Hz
Resonance
0.32
Q factor
95 dB
Sensitivity
± 2.55 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
60 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
6.02
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
2.55
mm
Air volume displaced at xmax
VD
135
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.59
mH
VC Diameter
99
mm
Winding height
HVC
15.1
mm
Winding material
Flat aluminium wire
Former material
Kapton
Magnet
Flux density
B
1.1
T
Force factor
Bl
19.65
N/A
Motor constant
Bl/√RE
8.46
N/√W
Air gap height
HAG
10
mm
Material
Neodymium
Diaphragm
Effective diameter
261
mm
Effective area
SD
531
cm²
Moving mass
MMS
70.1
g
Moving mass (without air load)
MMD
61.4
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
8.4
N/mm
Compliance
CMS
119
µm/N
Equivalent volume to the compliance
VAS
47.8
L
Mechanical resistance
RMS
4.03
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
161
mm
Flange thickness
15
mm
Mounting depth
146
mm
Volume occupied by the driver (estimated)
2.8
L
Frame material
Aluminium
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12″Low frequency
fS
56 Hz
SD
531 cm²
50 - 2500 Hz
QTS
0.35
xmax
2.6 mm
SPL1W
95 dB
Bl/√RE
8.17
Pmax
1600 W
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12″Low frequency
fS
57 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.32
xmax
7.5 mm
SPL1W
96 dB
Bl/√RE
8.13
Pmax
1000 W
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