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SMC60 SMC60 S M S e r i e s TECHNICAL SPECIFICATIONS Throat diameter 49 mm. 2 in. Rated impedance 8 ohms. Minimum impedance 6.9 ohms @ 3.3 kHz D.C. Resistance 5.5 ohms. Power capacity * 80 w AES above 1 kHz Program power 160 w above 1 kHz Sensitivity ** 109 dB 1 w @ 1m coupled to TD-460N horn Frequency range 0.5 - 18 kHz Recommended crossover 0.8 kHz or higher (12 dB/oct. min.) Voice coil diameter 72.2 mm. 2.84 in. Magnetic assembly weight 4.1 kg. 9.02 lb. Flux density 1.55 T BL factor 8.8 N/A DIMENSION DRAWINGS MOUNTING INFORMATION Overall diameter 156 mm. 6.14 in. Depth 75 mm. 2.95 in. Mounting Four M6 threaded holes, 90? apart on 101.6 mm (4 in.) diameter circle. Mounting hardware is supplied. Net weight 4.5 kg. 9.9 lb. Shipping weight 5 kg. 11 lb. MATERIALS • Diaphragm: titanium. • Voice coil: edgewound aluminium ribbon. • Voice coil former: polyimide. Notes: • Magnet: ferrite. *The power capacity is determined according to AES2-1984 (r2003) standard. Program power is defined as the transducer’s ability to handle normal music program material. GENERAL DESCRIPTION **Sensitivity was measured at 1 m distance, on axis, with 1 w input, averaged in the range 1-7 kHz. This 2” professional high quality compression driver features a composite diaphragm assembly. The mylar surround provides damping and avoids typical resonant peaks of metal surrounds. By the other hand, the pure titanium dome exhibits the unique mechanical properties of this material. The diaphragm is attached to a 3” edgewound aluminium ribbon voice coil, providing exceptional high acoustic pressure over an extremely wide frequency range. The use of a rim centred diaphragm allows field replacement without soldering. FREQUENCY RESPONSE AND DISTORTION CURVES FREQUENCY RESPONSE AND DISTORTION CURVES Note: on axis frequency response measured coupled to TD-400N Note: on axis frequency response measured coupled to TD-460N horn in anechoic chamber, 1w @ 1m. horn in anechoic chamber, 1w @ 1m. Poligono Industrial Moncada II · C/. Pont Sec, 1c · 46113 MONCADA - Valencia (Spain) · Tel. ( 34 ) 96 130 13 75 · Fax ( 34 ) 96 130 15 07 · http://www.beyma.com · E-mail: beyma@beyma.com ·