Oberton 10NMB500
Mid Bass
10″ / 262 mm
Nominal diameter
68 Hz
Resonance
0.41
Q factor
93 dB
Sensitivity
± 8.25 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
65 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
68.2
Hz
Mechanical quality factor
QMS
11.80
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
8.25
mm
Air volume displaced at xmax
VD
262
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.39
mH
VC Diameter
77
mm
Winding height
HVC
20
mm
Winding material
Aluminium
Former material
Glass fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
14.56
N/A
Motor constant
Bl/√RE
6.52
N/√W
Air gap height
HAG
7
mm
Material
Neodymium
Diaphragm
Effective diameter
201
mm
Effective area
SD
317
cm²
Moving mass
MMS
41.9
g
Moving mass (without air load)
MMD
37.6
g
Material
Paper
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
18.6
L
Mechanical resistance
RMS
1.52
N·s/m
Dimensions
Nominal diameter
10
″
262
mm
Overall diameter
263
mm
Baffle cutout diameter
225
mm
Overall depth
148
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
4.25
kg
Frame material
Die cast aluminium
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SD
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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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