Oberton 6NMB200

Mid-range

6.5″ / 170 mm
Nominal diameter
91 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 4.5 mm
Linear excursion
400 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
95.1
dB
Frequency response
200 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
91.5
Hz
Mechanical quality factor
QMS
10.18
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
63
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
16
Ω
DC resistance
RE
10.6
Ω
Inductance (1kHz)
LE
0.18
mH
VC Diameter
51
mm
Winding height
HVC
12.5
mm
Winding material
Aluminium
Former material
Glass fiber

Magnet

Flux density
B
1.65
T
Force factor
Bl
18.83
N/A
Motor constant
Bl/√RE
5.78
N/√W
Air gap height
HAG
7
mm
Material
Neodymium

Diaphragm

Effective diameter
133
mm
Effective area
SD
139
cm²
Moving mass
MMS
14.2
g
Moving mass (without air load)
MMD
12.9
g
Material
Paper with glassfiber

Suspensions

Stiffness
KMS
4.67
N/mm
Compliance
CMS
214
µm/N
Equivalent volume to the compliance
VAS
4.94
L
Mechanical resistance
RMS
0.8
N·s/m

Dimensions

Nominal diameter
6.5
170
mm
Overall diameter
185
mm
Baffle cutout diameter
145
mm
Overall depth
83
mm
Volume occupied by the driver (estimated)
0.58
L
Net weight
1.64
kg
Frame material
Die cast aluminium
Oberton 6NMB200 SPL
Oberton 6NMB200 Dimensions

Export this driver to a simulation software:

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