Fane International Professional Series speaker model Colossus 18XB, 18" chassis and 600 watt power rating. | Resonant Frequency fs | 33 Hz | | D.C Resistance Re | 6 Ω | | Qts | 0.323 | | Qes | 0.34 | | Qms | 6.58 | | Mms (grams) | 161 | | Cms (micros per Newton) | 141 | | BL Product | 24.59 Tesla metres | | Vas | 246 litres | | Reference Efficiency no | 2.61% | | Piston Area Sd | 0.112 m2 | | Xmax | 7.2 mm |
| Nominal Chassis Diameter | 18 inch/457 mm | | Impedance | 4.8 or 16 Ω¹ | | Power Handling | 600 (A.E.S)² | | Maximum Output Continuous/Peak | 122/128 dB | | Power Compression at Rated Power | 3.3 dB | | Usable Frequency Range (-6 dB) | 27 Hz-1 kHz | | Average Sensitivity (in above range) 1 W/1 m | 97.5 dB | | Resonance | 30 Hz | | Moving Mass inc. Air Load | 161 grams | | BL Product (Newtons/amp) | 24.6 | | Minimum Impedance (Zmin) | 7.3 Ω | | Effective Piston Diameter | 14.84 inch/377 mm | | Flux Density | 1.0 Tesla | | Magnetic Gap Depth | 0.39 inch/10 mm | | Coil Winding Height | 0.87 inch/22 mm | | Voice Coil Length | 115 feet/35 m | | Magnet Weight | 120 oz/3.4 kg | | Maximum Cone Displacement | 0.70 inch/18 mm | | Peak Displacement Volume of Cone, Vd | 1.61 litres | | Voice Coil Diameter | 4.0 inch/101.6 mm |
| Overall Diameter | 19.1"/485 mm | | Width Across Flats | 18"/457 mm | | Flange Thickness | 0.465"/11.8 mm | | Baffle Hole Diameter, Front Mount | 16.53"/420 mm | | Baffle Hole Diameter, Rear Mount | 16.33"/414 mm | | Gasket Supplied | Front and Rear | | Fixing Holes | 8 x 7 diam on 468 PCD | | | 8 x 7 diam on 438.15 PCD | | Depth | 8.5"/205 mm | | Weight | 31.24 lb/14.2 kg | | Recommended Enclosure Volume | 3.5-8.8 cu ft/100-250 litres | | Volume Displaced by Driver | 0.269 cu ft/7.6 litres | | Shipping Weight | 35.64 lb/16.2 kg | | Packing Carton Dimensions | 485 x 485 x 276 mm |
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