Oberton 12NB600
Woofer
12″ / 315 mm
Nominal diameter
51 Hz
Resonance
0.19
Q factor
95 dB
Sensitivity
± 7.5 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
50 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.9
Hz
Mechanical quality factor
QMS
6.97
Electrical quality factor
QES
0.20
Total quality factor
QTS
0.19
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Air volume displaced at xmax
VD
386
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.82
mH
VC Diameter
100
mm
Winding height
HVC
22
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.02
T
Force factor
Bl
28.39
N/A
Motor constant
Bl/√RE
12.8
N/√W
Air gap height
HAG
14
mm
Material
Neodymium
Diaphragm
Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
101.6
g
Moving mass (without air load)
MMD
93.1
g
Material
Kevlar paper
Suspensions
Stiffness
KMS
10.42
N/mm
Compliance
CMS
96
µm/N
Equivalent volume to the compliance
VAS
35.7
L
Mechanical resistance
RMS
4.66
N·s/m
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
280
mm
Overall depth
185
mm
Volume occupied by the driver (estimated)
3.7
L
Net weight
7.8
kg
Frame material
Die Cast Aluminium
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SpeakerbenchSimilar subwoofers to Oberton 12NB600
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12″Coaxial
fS
51 Hz
SD
445 cm²
46 - 20000 Hz
QTS
0.20
xmax
4.5 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
1400 W
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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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