Oberton 15MB35
Subwoofer
15″ / 385 mm
Nominal diameter
48 Hz
Resonance
0.34
Q factor
98 dB
Sensitivity
± 6.75 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.5
dB
Frequency response
45 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
47.7
Hz
Mechanical quality factor
QMS
8.38
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
6.75
mm
Air volume displaced at xmax
VD
560
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
88
mm
Winding height
HVC
19
mm
Winding material
Aluminium
Former material
Glass fiber
Magnet
Flux density
B
1.15
T
Force factor
Bl
20.07
N/A
Motor constant
Bl/√RE
8.92
N/√W
Air gap height
HAG
11
mm
Material
Ferrite
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
93
g
Moving mass (without air load)
MMD
76.1
g
Material
Paper with Kevlar + glass fibers
Suspensions
Stiffness
KMS
8.33
N/mm
Compliance
CMS
120
µm/N
Equivalent volume to the compliance
VAS
115
L
Mechanical resistance
RMS
3.32
N·s/m
Dimensions
Nominal diameter
15
″
385
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
174
mm
Volume occupied by the driver (estimated)
4.6
L
Net weight
9.2
kg
Frame material
Die cast aluminium
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15″Coaxial
fS
47 Hz
SD
855 cm²
45 - 18000 Hz
QTS
0.30
xmax
8.5 mm
SPL1W
97 dB
Bl/√RE
9.39
Pmax
1000 W