Oberton 18NXB700
Woofer
18″ / 461 mm
Nominal diameter
36 Hz
Resonance
0.31
Q factor
95 dB
Sensitivity
± 9 mm
Linear excursion
2000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.9
- dB
- Frequency response
- 36 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 36.2
- Hz
- Mechanical quality factor
- QMS
- 7.94
- Electrical quality factor
- QES
- 0.33
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 9.0
- mm
- Air volume displaced at xmax
- VD
- 999
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.2
- Ω
- Inductance (1kHz)
- LE
- 1.97
- mH
- VC Diameter
- 100
- mm
- Winding height
- HVC
- 25
- mm
- Winding material
- Copper
- Former material
- Glass fiber
- Flux density
- B
- 1.0
- T
- Force factor
- Bl
- 27.82
- N/A
- Motor constant
- Bl/√RE
- 12.2
- N/√W
- Air gap height
- HAG
- 14
- mm
- Material
- Neodymium
- Effective diameter
- 376
- mm
- Effective area
- SD
- 1110
- cm²
- Moving mass
- MMS
- 213.6
- g
- Moving mass (without air load)
- MMD
- 186.9
- g
- Material
- Kevlar paper
- Stiffness
- KMS
- 11.11
- N/mm
- Compliance
- CMS
- 90
- µm/N
- Equivalent volume to the compliance
- VAS
- 155
- L
- Mechanical resistance
- RMS
- 6.13
- N·s/m
- Nominal diameter
- 18
- ″
- 461
- mm
- Overall diameter
- 461
- mm
- Baffle cutout diameter
- 417
- mm
- Overall depth
- 223
- mm
- Volume occupied by the driver (estimated)
- 5.9
- L
- Net weight
- 8.95
- kg
- Frame material
- Die cast aluminium