Oberton 15XL400

Subwoofer

15″ / 388 mm
Nominal diameter
49 Hz
Resonance
0.34
Q factor
99 dB
Sensitivity
± 5.25 mm
Linear excursion
800 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
98.7
dB
Frequency response
50 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
48.8
Hz
Mechanical quality factor
QMS
9.30
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
436
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.76
mH
VC Diameter
77
mm
Winding height
HVC
15
mm
Winding material
Aluminium
Former material
Kapton

Magnet

Flux density
B
1.33
T
Force factor
Bl
18.92
N/A
Motor constant
Bl/√RE
8.0
N/√W
Air gap height
HAG
9
mm
Material
Ferrite

Diaphragm

Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
73.1
g
Moving mass (without air load)
MMD
56.2
g
Material
Paper with glassfiber

Suspensions

Stiffness
KMS
6.85
N/mm
Compliance
CMS
146
µm/N
Equivalent volume to the compliance
VAS
140
L
Mechanical resistance
RMS
2.41
N·s/m

Dimensions

Nominal diameter
15
388
mm
Overall diameter
388
mm
Baffle cutout diameter
352
mm
Overall depth
163
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
7.5
kg
Frame material
Die cast aluminium
Oberton 15XL400 SPL
Oberton 15XL400 Dimensions

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Similar subwoofers to Oberton 15XL400

Oberton 15HCX3572 Coaxial
15Coaxial
fS
46 Hz
SD
829 cm²
50 - 16000 Hz
QTS
0.34
xmax
7.3 mm
SPL1W
98 dB
Bl/√RE
8.17
Pmax
900 W