Oberton 15NXB1200
Subwoofer
15″ / 388 mm
Nominal diameter
38 Hz
Resonance
0.32
Q factor
95 dB
Sensitivity
± 12 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
38 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.5
Hz
Mechanical quality factor
QMS
8.26
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
12.0
mm
Air volume displaced at xmax
VD
996
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.71
mH
VC Diameter
100
mm
Winding height
HVC
29
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.27
T
Force factor
Bl
23.62
N/A
Motor constant
Bl/√RE
10.3
N/√W
Air gap height
HAG
10
mm
Material
Neodymium
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
146.8
g
Moving mass (without air load)
MMD
129.9
g
Material
Paper with carbone fibers
Suspensions
Stiffness
KMS
8.55
N/mm
Compliance
CMS
117
µm/N
Equivalent volume to the compliance
VAS
112
L
Mechanical resistance
RMS
4.3
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
204
mm
Volume occupied by the driver (estimated)
4.9
L
Net weight
8.82
kg
Frame material
Die Cast Aluminium
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SpeakerbenchSimilar subwoofers to Oberton 15NXB1200
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fS
40 Hz
SD
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40 - 2200 Hz
QTS
0.30
xmax
10.0 mm
SPL1W
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Bl/√RE
10
Pmax
2400 W
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15″Low frequency
fS
41 Hz
SD
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35 - 2000 Hz
QTS
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15″Subwoofer
fS
40 Hz
SD
830 cm²
39 - 2000 Hz
QTS
0.31
xmax
12.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2400 W