Oberton 15XL400
Subwoofer
15″ / 388 mm
Nominal diameter
49 Hz
Resonance
0.34
Q factor
99 dB
Sensitivity
± 5.25 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.7
dB
Frequency response
50 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.8
Hz
Mechanical quality factor
QMS
9.30
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
436
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.76
mH
VC Diameter
77
mm
Winding height
HVC
15
mm
Winding material
Aluminium
Former material
Kapton
Magnet
Flux density
B
1.33
T
Force factor
Bl
18.92
N/A
Motor constant
Bl/√RE
8.0
N/√W
Air gap height
HAG
9
mm
Material
Ferrite
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
73.1
g
Moving mass (without air load)
MMD
56.2
g
Material
Paper with glassfiber
Suspensions
Stiffness
KMS
6.85
N/mm
Compliance
CMS
146
µm/N
Equivalent volume to the compliance
VAS
140
L
Mechanical resistance
RMS
2.41
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
352
mm
Overall depth
163
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
7.5
kg
Frame material
Die cast aluminium
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SD
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Bl/√RE
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SD
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SD
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QTS
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xmax
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SPL1W
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