Oberton 15XB1200
Subwoofer
15″ / 385 mm
Nominal diameter
40 Hz
Resonance
0.31
Q factor
95 dB
Sensitivity
± 12 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.7
dB
Frequency response
39 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.8
Hz
Mechanical quality factor
QMS
7.84
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.31
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
5.2
Ω
Inductance (1kHz)
LE
1.36
mH
VC Diameter
100
mm
Winding height
HVC
29
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.25
T
Force factor
Bl
23.95
N/A
Motor constant
Bl/√RE
10.5
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
141.5
g
Moving mass (without air load)
MMD
124.6
g
Material
Paper with carbone fibers
Suspensions
Stiffness
KMS
8.86
N/mm
Compliance
CMS
113
µm/N
Equivalent volume to the compliance
VAS
109
L
Mechanical resistance
RMS
4.52
N·s/m
Dimensions
Nominal diameter
15
″
385
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
187
mm
Volume occupied by the driver (estimated)
5.9
L
Net weight
12.82
kg
Frame material
Die cast aluminium
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15″Low frequency
fS
41 Hz
SD
855 cm²
35 - 2000 Hz
QTS
0.31
xmax
10.5 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2400 W
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15″Subwoofer
fS
40 Hz
SD
850 cm²
40 - 2200 Hz
QTS
0.30
xmax
10.0 mm
SPL1W
95 dB
Bl/√RE
10
Pmax
2400 W
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15″Subwoofer
fS
40 Hz
SD
842 cm²
40 - 2000 Hz
QTS
0.31
xmax
12.5 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2000 W