Oberton 18FBR700

Woofer

18″ / 461 mm
Nominal diameter
36 Hz
Resonance
0.27
Q factor
97 dB
Sensitivity
± 8 mm
Linear excursion
1400 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
96.9
dB
Frequency response
40 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.6
Hz
Mechanical quality factor
QMS
12.63
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
888
cm³
Power handling
P
700
W
Program power
Pmax
1400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
100
mm
Winding height
HVC
23
mm
Winding material
Aluminium
Former material
Glass fiber

Magnet

Flux density
B
1.03
T
Force factor
Bl
25.17
N/A
Motor constant
Bl/√RE
11.0
N/√W
Air gap height
HAG
14
mm
Material
Ferrite

Diaphragm

Effective diameter
376
mm
Effective area
SD
1110
cm²
Moving mass
MMS
149.1
g
Moving mass (without air load)
MMD
122.4
g
Material
Paper with carbone fibers

Suspensions

Stiffness
KMS
7.46
N/mm
Compliance
CMS
134
µm/N
Equivalent volume to the compliance
VAS
231
L
Mechanical resistance
RMS
2.64
N·s/m

Dimensions

Nominal diameter
18
461
mm
Overall diameter
461
mm
Baffle cutout diameter
417
mm
Overall depth
205
mm
Volume occupied by the driver (estimated)
7.0
L
Net weight
12.9
kg
Frame material
Die cast aluminium
Oberton 18FBR700 SPL
Oberton 18FBR700 Dimensions

Export this driver to a simulation software:

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SD
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