Oberton 15HCX3572

Coaxial

15″ / 388 mm
Nominal diameter
46 Hz
Resonance
0.34
Q factor
98 dB
Sensitivity
± 7.25 mm
Linear excursion
900 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
98.4
dB
Frequency response
50 - 16000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.3
Hz
Mechanical quality factor
QMS
11.62
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
7.25
mm
Air volume displaced at xmax
VD
601
cm³
Power handling
P
450
W
Program power
Pmax
900
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.57
mH
VC Diameter
88
mm
Winding height
HVC
19
mm
Winding material
Copper Clad Aluminium
Former material
Glass fiber

Magnet

Flux density
B
1.1
T
Force factor
Bl
18.81
N/A
Motor constant
Bl/√RE
8.17
N/√W
Air gap height
HAG
9
mm
Material
Neodymium

Diaphragm

Effective diameter
325
mm
Effective area
SD
829
cm²
Moving mass
MMS
80.8
g
Moving mass (without air load)
MMD
63.9
g
Material
Paper

Suspensions

Stiffness
KMS
6.83
N/mm
Compliance
CMS
146
µm/N
Equivalent volume to the compliance
VAS
141
L
Mechanical resistance
RMS
2.02
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)
4.5
L
Net weight
7.05
kg
Frame material
Die Cast Aluminium
Oberton 15HCX3572 SPL
Oberton 15HCX3572 Dimensions

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