Oberton 10NM300
Mid-range
10″ / 262 mm
Nominal diameter
71 Hz
Resonance
0.21
Q factor
97 dB
Sensitivity
± 5.25 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.0
dB
Frequency response
100 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
71.4
Hz
Mechanical quality factor
QMS
9.15
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
167
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
0.62
mH
VC Diameter
77
mm
Winding height
HVC
15
mm
Winding material
Aluminium
Former material
Kapton
Magnet
Flux density
B
1.45
T
Force factor
Bl
20.12
N/A
Motor constant
Bl/√RE
8.52
N/√W
Air gap height
HAG
9
mm
Material
Neodymium
Diaphragm
Effective diameter
201
mm
Effective area
SD
317
cm²
Moving mass
MMS
34.6
g
Moving mass (without air load)
MMD
30.3
g
Material
Paper
Suspensions
Stiffness
KMS
6.94
N/mm
Compliance
CMS
144
µm/N
Equivalent volume to the compliance
VAS
20.6
L
Mechanical resistance
RMS
1.7
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)
2.1
L
Net weight
4.75
kg
Frame material
Die cast aluminium
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10″Mid-range
fS
85 Hz
SD
350 cm²
70 - 4000 Hz
QTS
0.25
xmax
2.2 mm
SPL1W
97 dB
Bl/√RE
9.04
Pmax
700 W
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8″Mid-range
fS
69 Hz
SD
218 cm²
100 - 3000 Hz
QTS
0.22
xmax
3.0 mm
SPL1W
96 dB
Bl/√RE
6.07
Pmax
450 W
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10″Mid-range
fS
60 Hz
SD
317 cm²
75 - 3500 Hz
QTS
0.25
xmax
5.3 mm
SPL1W
97 dB
Bl/√RE
7.78
Pmax
800 W