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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
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
Oberton 12NB600 SPL
Oberton 12NB600 Dimensions

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