Oberton 12NXL400
Subwoofer
12″ / 315 mm
Nominal diameter
49 Hz
Resonance
0.2
Q factor
98 dB
Sensitivity
± 5.25 mm
Linear excursion
900 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.1
dB
Frequency response
50 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.6
Hz
Mechanical quality factor
QMS
11.90
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.20
Large signal parameters
Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
270
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.69
mH
VC Diameter
77
mm
Winding height
HVC
15
mm
Winding material
Aluminium
Former material
Kapton
Magnet
Flux density
B
1.45
T
Force factor
Bl
20.57
N/A
Motor constant
Bl/√RE
8.62
N/√W
Air gap height
HAG
9
mm
Material
Neodymium
Diaphragm
Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
50.1
g
Moving mass (without air load)
MMD
41.6
g
Material
Paper
Suspensions
Stiffness
KMS
4.67
N/mm
Compliance
CMS
214
µm/N
Equivalent volume to the compliance
VAS
79.2
L
Mechanical resistance
RMS
1.28
N·s/m
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
280
mm
Overall depth
180
mm
Volume occupied by the driver (estimated)
2.8
L
Net weight
5.05
kg
Frame material
Die Cast Aluminium
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fS
50 Hz
SD
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50 - 2000 Hz
QTS
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xmax
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SPL1W
97 dB
Bl/√RE
8.73
Pmax
800 W
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fS
46 Hz
SD
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58 - 5000 Hz
QTS
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SPL1W
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fS
46 Hz
SD
531 cm²
90 - 4000 Hz
QTS
0.20
xmax
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SPL1W
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Bl/√RE
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