Oberton 8NB201
Mid-range
8″ / 210 mm
Nominal diameter
71 Hz
Resonance
0.25
Q factor
94 dB
Sensitivity
± 5.25 mm
Linear excursion
400 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.0
- dB
- Frequency response
- 65 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 70.6
- Hz
- Mechanical quality factor
- QMS
- 5.97
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 5.25
- mm
- Air volume displaced at xmax
- VD
- 106
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 0.96
- mH
- VC Diameter
- 51
- mm
- Winding height
- HVC
- 14
- mm
- Winding material
- Copper
- Former material
- Kapton
- Flux density
- B
- 1.25
- T
- Force factor
- Bl
- 14.41
- N/A
- Motor constant
- Bl/√RE
- 6.28
- N/√W
- Air gap height
- HAG
- 7
- mm
- Material
- Neodymium
- Effective diameter
- 160
- mm
- Effective area
- SD
- 202
- cm²
- Moving mass
- MMS
- 22.7
- g
- Moving mass (without air load)
- MMD
- 20.4
- g
- Material
- Paper with glassfiber
- Stiffness
- KMS
- 4.46
- N/mm
- Compliance
- CMS
- 224
- µm/N
- Equivalent volume to the compliance
- VAS
- 12.5
- L
- Mechanical resistance
- RMS
- 1.68
- N·s/m
- Nominal diameter
- 8
- ″
- 210
- mm
- Overall diameter
- 225
- mm
- Baffle cutout diameter
- 187
- mm
- Overall depth
- 89
- mm
- Volume occupied by the driver (estimated)
- 0.88
- L
- Net weight
- 2.38
- kg
- Frame material
- Die cast aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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