Oberton 18B450
Woofer
18″ / 461 mm
Nominal diameter
34 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 7.25 mm
Linear excursion
1000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.6
- dB
- Frequency response
- 35 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 34.4
- Hz
- Mechanical quality factor
- QMS
- 8.03
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 7.25
- mm
- Air volume displaced at xmax
- VD
- 805
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 1.49
- mH
- VC Diameter
- 77
- mm
- Winding height
- HVC
- 20
- mm
- Winding material
- Copper
- Former material
- Glass fiber
- Flux density
- B
- 1.2
- T
- Force factor
- Bl
- 22.12
- N/A
- Motor constant
- Bl/√RE
- 9.62
- N/√W
- Air gap height
- HAG
- 11
- mm
- Material
- Ferrite
- Effective diameter
- 376
- mm
- Effective area
- SD
- 1110
- cm²
- Moving mass
- MMS
- 152.8
- g
- Moving mass (without air load)
- MMD
- 126
- g
- Material
- Paper
- Stiffness
- KMS
- 7.14
- N/mm
- Compliance
- CMS
- 140
- µm/N
- Equivalent volume to the compliance
- VAS
- 242
- L
- Mechanical resistance
- RMS
- 4.11
- N·s/m
- Nominal diameter
- 18
- ″
- 461
- mm
- Overall diameter
- 461
- mm
- Baffle cutout diameter
- 417
- mm
- Overall depth
- 193
- mm
- Volume occupied by the driver (estimated)
- 5.2
- L
- Net weight
- 8.55
- 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:
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