Fane International Professional Series speaker model Crescendo 12M, 12" chassis and 300 watt power rating. | Resonant Frequency fs | 50 Hz | | D.C Resistance Re | 5.6 Ω | | Qts | 0.295 | | Qes | 0.314 | | Qms | 4.8 | | Mms (grams) | 55 | | Cms (microns per Newton) | 184 | | BL Product | 17.6 Tesla metres | | Vas | 67 litres | | Reference Efficiency no | 2.58% | | Piston Area Sd | 0.051 m2 | | Xmax | 4.3 mm | | Nominal Chassis Diameter | 12 inch/305 mm | | Impedance | 8 Ω¹ | | Power Handling | 300 (A.E.S)² | | Maximum Output Continuous/Peak | 119/125 dB | | Power Compression at Rated Power | 4 dB | | Usable Frequency Range (-6 dB) | 45 Hz-3.5 kHz | | Average Sensitivity (in above range) 1 W/1 m | 97.5 dB | | Resonance | 50 Hz | | Moving Mass inc. Air Load | 55 grams | | BL Product (Newtons/amp) | 17.6 | | Minimum Impedance (Zmin) | 7 Ω | | Effective Piston Diameter | 10.03 inch/255 mm | | Flux Density | 1.28 Tesla | | Magnetic Gap Depth | 0.31 inch/8 mm | | Coil Winding Height | 0.65 inch/16.6 mm | | Voice Coil Length | 63 feet/19.2 m | | Magnet Weight | 78 oz/2.2 kg | | Maximum Cone Displacement | 0.47 inch/12 mm | | Peak Displacement Volume of Cone, Vd | 0.440 litres | | Voice Coil Diameter | 2.5 inch/63.7 mm | | Overall Diameter | 13"/330.2 mm | | Width Across Flats | 12.19"/309.5 mm | | Flange Thickness | 0.305"/7.8 mm | | Baffle Hole Diameter, Front Mount | 11.03"/281 mm | | Gasket Supplied | Rear | | Fixing Holes | 4 x 0.218" diam on 12.5 PCD | | | 4 x 5.5 mm diam on 318 PCD | | Depth | 5.33"/135.5 mm | | Weight | 14.8 lb/6.7 kg | | Recommended Enclosure Volume | 0.88-2.83 cu ft/25-80 litres | | Volume Displaced by Driver | 0.095 cu ft/25-80 litres | | Shipping Weight | 17.0 lb/7.7 kg | | Packing Carton Dimensions | 340 x 340 x 222 mm |
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