Oberton 12NMB35
Mid Bass
12″ / 315 mm
Nominal diameter
54 Hz
Resonance
0.36
Q factor
95 dB
Sensitivity
± 6.75 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.0
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
54.4
Hz
Mechanical quality factor
QMS
7.41
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
6.75
mm
Air volume displaced at xmax
VD
347
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.01
mH
VC Diameter
88
mm
Winding height
HVC
19
mm
Winding material
Aluminium
Former material
Glass fiber
Magnet
Flux density
B
1.05
T
Force factor
Bl
17.0
N/A
Motor constant
Bl/√RE
7.25
N/√W
Air gap height
HAG
11
mm
Material
Neodymium
Diaphragm
Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
58.3
g
Moving mass (without air load)
MMD
49.8
g
Material
Paper with Kevlar + glass fibers
Suspensions
Stiffness
KMS
6.81
N/mm
Compliance
CMS
147
µm/N
Equivalent volume to the compliance
VAS
54.3
L
Mechanical resistance
RMS
2.69
N·s/m
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
280
mm
Overall depth
156
mm
Volume occupied by the driver (estimated)
2.5
L
Net weight
5.05
kg
Frame material
Die Cast Aluminium
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SpeakerbenchSimilar subwoofers to Oberton 12NMB35
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12″Low frequency
fS
57 Hz
SD
531 cm²
50 - 4000 Hz
QTS
0.39
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
6.9
Pmax
700 W
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12″Coaxial
fS
55 Hz
SD
540 cm²
55 - 22000 Hz
QTS
0.33
xmax
3.0 mm
SPL1W
95 dB
Bl/√RE
7.14
Pmax
500 W
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12″Mid Bass
fS
55 Hz
SD
530 cm²
40 - 4000 Hz
QTS
0.40
xmax
5.5 mm
SPL1W
95 dB
Bl/√RE
7.08
Pmax
1000 W