Oberton 12H4CX72
Coaxial
12″ / 315 mm
Nominal diameter
50 Hz
Resonance
0.25
Q factor
98 dB
Sensitivity
± 4.5 mm
Linear excursion
800 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.1
dB
Frequency response
60 - 18000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.9
Hz
Mechanical quality factor
QMS
10.33
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
232
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.45
mH
VC Diameter
100
mm
Winding height
HVC
6
mm
Winding material
Copper Clad Aluminium
Former material
Glass fiber
Magnet
Flux density
B
1.37
T
Force factor
Bl
19.92
N/A
Motor constant
Bl/√RE
7.81
N/√W
Air gap height
HAG
12
mm
Material
Neodymium
Diaphragm
Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
50.4
g
Moving mass (without air load)
MMD
41.9
g
Material
Paper with Kevlar fibers
Suspensions
Stiffness
KMS
4.95
N/mm
Compliance
CMS
202
µm/N
Equivalent volume to the compliance
VAS
74.7
L
Mechanical resistance
RMS
1.53
N·s/m
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
280
mm
Overall depth
242
mm
Volume occupied by the driver (estimated)
5.2
L
Net weight
10.1
kg
Frame material
Die Cast Aluminium
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Oberton 12H4CX72
.jpg.webp)
12″Mid Bass
fS
50 Hz
SD
515 cm²
50 - 2500 Hz
QTS
0.25
xmax
5.3 mm
SPL1W
97 dB
Bl/√RE
7.81
Pmax
800 W
.jpg.webp)
12″Coaxial
fS
46 Hz
SD
531 cm²
45 - 18000 Hz
QTS
0.22
xmax
6.0 mm
SPL1W
98 dB
Bl/√RE
8.04
Pmax
700 W
.jpg.webp)
12″Coaxial
fS
46 Hz
SD
531 cm²
45 - 18000 Hz
QTS
0.22
xmax
6.0 mm
SPL1W
98 dB
Bl/√RE
8.04
Pmax
700 W