Oberton 18NXB1200
Subwoofer
18″ / 461 mm
Nominal diameter
36 Hz
Resonance
0.28
Q factor
96 dB
Sensitivity
± 11.5 mm
Linear excursion
2400 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.7
- dB
- Frequency response
- 35 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 35.8
- Hz
- Mechanical quality factor
- QMS
- 9.24
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 11.5
- mm
- Air volume displaced at xmax
- VD
- 1332
- cm³
- Power handling
- P
- 1200
- W
- Program power
- Pmax
- 2400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 1.29
- mH
- VC Diameter
- 100
- mm
- Winding height
- HVC
- 31
- mm
- Winding material
- Copper
- Former material
- Glass fiber
- Flux density
- B
- 1.05
- T
- Force factor
- Bl
- 29.35
- N/A
- Motor constant
- Bl/√RE
- 12.7
- N/√W
- Air gap height
- HAG
- 14
- mm
- Material
- Neodymium
- Effective diameter
- 384
- mm
- Effective area
- SD
- 1158
- cm²
- Moving mass
- MMS
- 212.8
- g
- Moving mass (without air load)
- MMD
- 184.8
- g
- Material
- Carbone paper
- Stiffness
- KMS
- 10.79
- N/mm
- Compliance
- CMS
- 93
- µm/N
- Equivalent volume to the compliance
- VAS
- 160
- L
- Mechanical resistance
- RMS
- 5.18
- 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