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AST-22 AST-22 COMPETITION KEY FEATURES • • • • High sensitivity (107 dB) Extended frequency range (4 -20 KHz) Aluminium diaphragm Designed for the high frequencies reproduction TECHNICAL SPECIFICATIONS Nominal impedance Power handling / maximum Sensitivity Frequency range Recommended crossover frequency Voice coil diameter Diaphragm material 4 ohms 25 W RMS / 100 W 107 dB 1w @ 1m 4 - 20 kHz 5 kHz, 12 dB/oct. 37.6 mm. 1.5 in. Aluminium DIMENSION DRAWINGS MOUNTING INFORMATION Overall diameter Depth Baffle cutout dimensions Bolt circle diameter 103 x 103 mm. 4.06 x 4.06 in. 71 mm. 2.80 in. 92 mm. 3.62 in. 107 mm. 4.21 in. RECOMMENDED ATTENUATION -3 dB attenuation CERRADA -6CAJA dB attenuation -9 dB attenuation -12 dB attenuation JA CERRADA R1 (1.2 W) R2 (10 W) R1 (2 W) R2 (4 W) R1 (2.7 W) R2 (2.2 W) R1 (3 W) R2 (1.2 W) Note: these values are calculated for a 4 ohms load impedance. Please do not forget to take into account the applied power when choosing the resistors. FREQUENCY RESPONSE IMPEDANCE CURVE Nota: on axis frequency response measured on anechoic chamber, applying 1w@1m. 056 Polígono 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:[email protected]·
