UHF HAND MICROPHONE SDM 960 M(S 900 M+DM960) BEYERDYNAMIC NAME MODEL 제조사 MODEL NAME BEYERDYNAMIC SDM 960 M(S 900 M+DM960) UHF HAND MICROPHONE Handheld transmitter with interchangeable DM 960 B Microphone head(dynamic, hypercardioid), for Opus 900 series receivers, metal housing S 900 M Polar pattern : Hypercardioid Transducer type : Dynamic Frequency range : 740 ~ 752MHz Modulation : FM Nominal deviation : ± 40kHz Radiated transmitter power : 10mW Compander system : NE572 Max. SPL : 146dB AF transmission range(close miking 2 cm) at 80dB SPL : 55 - 18,000Hz Rear attenuation : -20dB at 1kHz / 120 Signal-to-noise ratio : > 110dB T.H.D : < 0.5% at 1kHz Transmission range : 100m Power supply : 2 x 1.5V batteries (AA) or rechargeable batteries Current consumption : approx. 85mA Operating time : > 20 hours with alkaline batteries Dimensions (Length x Shaft) : 210.5 x 38mm Weight(with batteries) : 172g DM 960 Type : Hypercardioid Polar pattern : Dynamic Frequency response : 90 ~ 16,000Hz Nominal impedance : 280Ω Load impedance : 1kΩ Open circuit voltage : 3mV/Pa Magnetic field suppression : >20dB at 50Hz Dimensions Head diameter : 54mm Shaft diameter : 38mm Length : 109.5mm Wight : approx. 175g