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AUDIO-TECHNICA UNIPOINT GOOSENECK MICROPHONE The Unipoint - the first and still the best miniature condenser installed-sound microphones on the market. The AT857AMLa is designed for high-quality sound reinforcement, professional recording and broadcasting. The AT857AMLa is technically the same as the AT857AMa but 19" long. The main features are: •Designed for high-quality sound reinforcement, professional recording and broadcasting. •Accepts interchangeable elements to permit angle of acceptance from 100º to 360º . •Small-diameter, alternating gooseneck design permits highly flexible positioning. •Direct mounts to any 5/8"-27 stand, or to included threaded mounting stud. •Operates on battery or phantom power. •9.8' (3.0 m) cable permanently attached to mic with TA3F connector to mate with AT8531 power module. •Includes the AT8531 power module (off/on/roll-off switch) with XLRM-type output connector, AT8102 windscreen, AT8425 threaded mounting stud and battery. Also available as: AT857AMa - 12.2" long version     제품스펙

Element	Condenser
Phantom Power Requirements	9 - 52V, 2 mA typical
Polar Pattern	Cardioid
Battery Type	1.5V AA/UM3
Frequency Response	30 - 20,000 Hz
Battery Current/Life	0.4 mA/1200 hours typical
Open Circuit Sensitivity	PHANTOM: -44 dB (6.3 mV) re 1V at 1 Pa BATTERY: -45 dB (5.6 mV) re 1V at 1 Pa
Switch	Off/on-flat/on-roll-off
Impedance	PHANTOM: 200 ohms BATTERY: 270 ohms
Low Frequency Roll-off	80 Hz, 18 dB per octave
Maximum Input Sound Level	PHANTOM: 135 dB SPL, 1 kHz at 1% T.H.D. BATTERY: 121 dB SPL, 1 kHz at 1% T.H.D.
Power Module	In-line
Signal to Noise Ratio	67 dB, 1 kHz at 1 Pa
Output Connector	XLRM-type (power module)
Accessories Furnished	AT8102 foam windscreen; AT8425 5/8-27 mounting stud; AT8531 power module; battery