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manual abstract
Low mass mylar diaphragm ensures an extremely flat frequency response and optimized ceramic magnet assembly, results in high sensitivity and low distortion up to 18 kHz. Specifications1 Throat Diameter 25 mm (1 in) Nominal Impedance ......................8' Q Minimum Impedance 7.7 Q Power Handling (2200 -20000 Hz) Nominal2 40 W Continuous Program3 80 W Sensitivity (1W/1m)4 108.5 dB Frequency Range__________________________________________________________________________________________________ 1.5 - 18 kHz Recommended Crossover5 2.2 kHz Voice Coil Diameter 44 mm (1.7 in) Winding Material Aluminium Inductance_____________________________________________________________________________________ 0__——- Diaphragm Material Mylar Flux Density________________________________ _____________________1.7 T Also available in 16 Q, data upon request Mounting and Shipping Information Two M6 holes 180° on 76 mm (3 in) diameter______________________________________________________________ Three M6 holes 120° on 57 mm (2.2 in) diameter Overall Diameter___________________________________________________________________________________________________ ______________________134 mm (5.3 in) Depth_____________________________________________________________________________ 60 mm (2.4 in) _______ Net Weight (1 unit] Shipping Weight (4 units) 12.1 kg (26.6 lb) Shipping Box (4 units) 300x160x180 mm (12x6.3x7.1 in) 1 Driver mounted on B&C ME 45 horn. 2 2 hours test made with continuous pink noise signal (6 dB crest factor) within the specified range. Power calculated on rated minimum impedance. 3 Power on Continuous Program is defined as 3 dB greater than the Nominal rating. 4 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal Impedance. Average SPL from 1000 to 18000 Hz. 5 12 dB/oct. or higher slope high-pass filter....