Oberton 15NXB700

Woofer

15″ / 388 mm
Nominal diameter
38 Hz
Resonance
0.28
Q factor
95 dB
Sensitivity
± 9 mm
Linear excursion
2000 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
94.5
dB
Frequency response
38 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
38.3
Hz
Mechanical quality factor
QMS
8.75
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
747
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.98
mH
VC Diameter
100
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass fiber

Magnet

Flux density
B
1.0
T
Force factor
Bl
25.99
N/A
Motor constant
Bl/√RE
11.4
N/√W
Air gap height
HAG
14
mm
Material
Neodymium

Diaphragm

Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
156.9
g
Moving mass (without air load)
MMD
140.1
g
Material
Kevlar paper

Suspensions

Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
106
L
Mechanical resistance
RMS
4.32
N·s/m

Dimensions

Nominal diameter
15
388
mm
Overall diameter
388
mm
Baffle cutout diameter
355
mm
Overall depth
203
mm
Volume occupied by the driver (estimated)
4.6
L
Net weight
8.1
kg
Frame material
Die Cast Aluminium
Oberton 15NXB700 SPL
Oberton 15NXB700 Dimensions

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