Oberton 15MB700
Subwoofer
15″ / 385 mm
Nominal diameter
44 Hz
Resonance
0.27
Q factor
97 dB
Sensitivity
± 9.25 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.5
dB
Frequency response
45 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.2
Hz
Mechanical quality factor
QMS
12.03
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
9.25
mm
Air volume displaced at xmax
VD
767
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.92
mH
VC Diameter
100
mm
Winding height
HVC
23
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.28
T
Force factor
Bl
26.05
N/A
Motor constant
Bl/√RE
11.2
N/√W
Air gap height
HAG
9
mm
Material
Ferrite
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
124.1
g
Moving mass (without air load)
MMD
107.2
g
Material
Kevlar paper + glassfiber
Suspensions
Stiffness
KMS
9.62
N/mm
Compliance
CMS
104
µm/N
Equivalent volume to the compliance
VAS
100
L
Mechanical resistance
RMS
2.87
N·s/m
Dimensions
Nominal diameter
15
″
385
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
179
mm
Volume occupied by the driver (estimated)
5.0
L
Net weight
10.45
kg
Frame material
Die cast aluminium
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fS
46 Hz
SD
531 cm²
60 - 5000 Hz
QTS
0.25
xmax
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SPL1W
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Bl/√RE
7.17
Pmax
600 W
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15″Woofer
fS
40 Hz
SD
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40 - 3000 Hz
QTS
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11
Pmax
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fS
46 Hz
SD
707 cm²
45 - 18000 Hz
QTS
0.26
xmax
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SPL1W
97 dB
Bl/√RE
9.55
Pmax
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