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The particular mylar/titanium diaphragm using a 3" edgewound flat aluminium wire voice coil and a optimized high energy ceramic magnet assembly using a copper shorting ring assembly produce smooth response and excellent sonic properties . a £ o o Specifications1 Throat Diameter___________________________ Nominal Impedance Minimum Impedance Power Handling (1000 -20000 Hz) Nominal2 Continuous _ Program 3 Sensitivity. (1_W/_1_mi4 _ 36 mm (1.4 in) 8' Q 8 Q 80 W 160 W 107 dB 0.5 - 18 kHz ......1000 Hz 75 mm (3 in) Aluminium 0.14 mH Titanium Frequency Range____________________________________________________________________________________________________________ Recommended Crossover5________________ Voice Coil Diameter_____________________________ Winding Material_____________________________________ Inductance____________________________________________________________________________________________ Diaphragm Material_______________________ Flux Density___________________________________________________1.8 T Also available in 16 Q, data upon request Mounting and Shipping Information Four M6 holes 90° on 102 mm (4 in) diameter____________________________________________________________ Overall Diameter____________________________________________170 mm (6.7 in) Depth 67 mm (2.6 in) Net Weight (1 unit) ..................................... 4.5.kg (9.9 lb)J Shipping Weight . (2 units)_____________________9.6 kg (21.2. lb) „ Shipping Box (2 units) 210x210x190 mm ___________________________________________________________________________________________________________________________________________________________________________________________________________(8.3x8.3x7.5 in) 1 Driver mounted on B&C ME 90 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 500 to 18000 Hz. 5 12 dB/oct. or higher slope high-pass filter. 0...