Fane COLOSSUS 18XB
Subwoofer
18″ / 457 mm
Nominal diameter
33 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 7.5 mm
Linear excursion
2000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.2
- dB
- Frequency response
- 35 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 33.0
- Hz
- Mechanical quality factor
- QMS
- 5.77
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 7.5
- mm
- Air volume displaced at xmax
- VD
- 848
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.5
- Ω
- Inductance (1kHz)
- LE
- 1.99
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 23
- mm
- Winding material
- Copper
- Former material
- Glass Fibre
- Flux density
- B
- 1.2
- T
- Force factor
- Bl
- 25.9
- N/A
- Motor constant
- Bl/√RE
- 10.2
- N/√W
- Air gap height
- HAG
- 10
- mm
- Weight
- 3.402
- kg
- Material
- Ferrite
- Effective diameter
- 382
- mm
- Effective area
- SD
- 1131
- cm²
- Moving mass
- MMS
- 173
- g
- Moving mass (without air load)
- MMD
- 144.6
- g
- Material
- Polycellulose
- Stiffness
- KMS
- 7.69
- N/mm
- Compliance
- CMS
- 130
- µm/N
- Equivalent volume to the compliance
- VAS
- 236
- L
- Mechanical resistance
- RMS
- 6.22
- N·s/m
- Surround material
- Polyvinyl damped Poly Cotton
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 485
- mm
- Baffle cutout diameter
- 415
- mm
- Overall depth
- 205
- mm
- Flange thickness
- 12
- mm
- Mounting depth
- 193
- mm
- Volume occupied by the driver (estimated)
- 7.7
- L
- Net weight
- 14.2
- kg
- Frame material
- Die-cast Aluminium