Oberton 15HCX
Coaxial
15″ / 388 mm
Nominal diameter
41 Hz
Resonance
0.3
Q factor
99 dB
Sensitivity
± 7.75 mm
Linear excursion
900 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.6
dB
Frequency response
50 - 16000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.7
Hz
Mechanical quality factor
QMS
6.10
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
7.75
mm
Air volume displaced at xmax
VD
643
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
77
mm
Winding height
HVC
20
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.1
T
Force factor
Bl
17.08
N/A
Motor constant
Bl/√RE
7.6
N/√W
Air gap height
HAG
9
mm
Material
Neodymium
Diaphragm
Effective diameter
325
mm
Effective area
SD
829
cm²
Moving mass
MMS
71.4
g
Moving mass (without air load)
MMD
54.5
g
Material
Paper with glassfiber
Suspensions
Stiffness
KMS
4.67
N/mm
Compliance
CMS
214
µm/N
Equivalent volume to the compliance
VAS
206
L
Mechanical resistance
RMS
3.0
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
220
mm
Volume occupied by the driver (estimated)
4.3
L
Net weight
6.6
kg
Frame material
Die Cast Aluminium
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SpeakerbenchSimilar speaker drivers to Oberton 15HCX
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15″Guitar Speaker
fS
42 Hz
SD
865 cm²
42 - 2900 Hz
QTS
0.31
xmax
3.3 mm
SPL1W
98 dB
Bl/√RE
8.09
Pmax
600 W
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15″Low frequency
fS
44 Hz
SD
855 cm²
40 - 3000 Hz
QTS
0.33
xmax
6.5 mm
SPL1W
98 dB
Bl/√RE
7.27
Pmax
800 W
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15″Mid Bass
fS
42 Hz
SD
850 cm²
45 - 4300 Hz
QTS
0.29
xmax
5.5 mm
SPL1W
98 dB
Bl/√RE
7.87
Pmax
600 W