Oberton 12NMB600
Mid Bass
12″ / 315 mm
Nominal diameter
41 Hz
Resonance
0.13
Q factor
97 dB
Sensitivity
± 7 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.9
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
41.0
Hz
Mechanical quality factor
QMS
4.77
Electrical quality factor
QES
0.14
Total quality factor
QTS
0.13
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
360
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
100
mm
Winding height
HVC
16
mm
Winding material
Aluminium
Former material
Kapton
Magnet
Flux density
B
1.25
T
Force factor
Bl
27.77
N/A
Motor constant
Bl/√RE
12.1
N/√W
Air gap height
HAG
12
mm
Material
Neodymium
Diaphragm
Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
78.6
g
Moving mass (without air load)
MMD
70.1
g
Material
Kevlar paper
Suspensions
Stiffness
KMS
5.24
N/mm
Compliance
CMS
191
µm/N
Equivalent volume to the compliance
VAS
70.8
L
Mechanical resistance
RMS
4.25
N·s/m
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
280
mm
Overall depth
180
mm
Volume occupied by the driver (estimated)
3.6
L
Net weight
7.55
kg
Frame material
Die Cast Aluminium
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SpeakerbenchSimilar subwoofers to Oberton 12NMB600
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12″Woofer
fS
43 Hz
SD
522 cm²
40 - 2000 Hz
QTS
0.15
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
12
Pmax
1000 W
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12″Woofer
fS
40 Hz
SD
522 cm²
40 - 2000 Hz
QTS
0.16
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
11
Pmax
1000 W
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