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Audio Technica U857AL Cardioid Condenser Adapter-mount Gooseneck Microphone

    Audio Technica U857AL Cardioid Condenser Adapter-mount Gooseneck Microphone

    Manufacturer: Audio-Technica

    Item #: U857AL   •   MFG #: U857AL


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    The Audio Technica U857AL is a wide-range condenser microphone with a cardioid polar pattern. It is designed for quality sound reinforcement, professional recording, television and other demanding sound pickup applications.The small-diameter double gooseneck design permits highly flexible positioning while maintaining a smooth, well-contoured appearance. The U857AL stands 421.0 mm (16.58") from the table or podium. The microphone requires 11V to 52V phantom power or a 1.5V AA battery for operation. A battery need not be in place for phantom power operation. The microphone is equipped with UniGuard RFI-shielding technology, which offers outstanding rejection of radio frequency interference (RFI). The microphone's cardioid polar pattern provides a 120° angle of acceptance. Additional interchangeable elements with omnidirectional (360°), hypercardioid (100°) and UniLine (90°) pickup patterns are available. The microphone includes a 3 m (9.8') permanently attached miniature cable. Its free end connects to the provided AT8531 power module via a special TA3F type connector designed to optimize RFI immunity. The output of the power module is a 3-pin XLRM type connector. A 3-position switch in the power module permits choice of off, on/flat response, or on/low-roll-off (via integral 80 Hz high-pass UniSteep filter). The roll-off position reduces the pickup of low-frequency ambient noise.The microphone comes equipped with a power module, a mounting flange, a cable pass through adapter a two-stage foam windscreen,and a battery. The microphone is enclosed in a rugged housing witha low-reflectance black finish.

    Offers the convenience of battery or phantom power operation
    Direct mounts to any 5/8"-27 stand, or to included threaded mounting flange
    Low-profile element provides uniform cardioid polar pattern with 120 degree acceptance angle
    Superior off-axis rejection for maximum gain before feedback
    UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
    Easy to adjust, rugged, small-diameter, alternating gooseneck with virtually no "memory" permits quick positioning into desired shape
    UniSteep filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
    Available interchangeable elements permit angle of acceptance from 90° to 360°
    Also available in a wireless model, U857ALcW

    • Specifications

      • ELEMENT Fixed-charge back plate, permanently polarized condenser
      • POLAR PATTERN Cardioid
      • FREQUENCY RESPONSE 30-20,000 Hz
      • LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
      • OPEN CIRCUIT SENSITIVITY Phantom: -42 dB (7.9 mV) re 1V at 1 Pa, Battery: -43 dB (7.0 mV) re 1V at 1 Pa
      • IMPEDANCE Phantom: 200 ohms, Battery: 270 ohms
      • MAXIMUM INPUT SOUND LEVEL Phantom: 133 dB SPL, 1 kHz at 1% T.H.D. Battery: 123 dB SPL, 1 kHz at 1% T.H.D.
      • DYNAMIC RANGE (typical) Phantom: 109 dB, 1 kHz at Max SPL Battery: 99 dB, 1 kHz at Max SPL
      • SIGNAL-TO-NOISE RATIO 70 dB, 1 kHz at 1 Pa
      • PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
      • BATTERY TYPE 1.5V AA/UM3
      • BATTERY CURRENT / LIFE 0.4 mA / 1200 hours typical (alkaline)
      • SWITCH Off, on-flat, on-roll-off
      • WEIGHT (MICROPHONE) 4.6 oz (131 g)
      • WEIGHT (POWER MODULE) 4.9 oz (139 g)
      • DIMENSIONS (MICROPHONE) 16.58" (421.0 mm) long, 0.48" (12.2 mm) head diameter
      • DIMENSIONS (POWER MODULE) 3.31" (84.0 mm) H x 2.48" (63.0 mm) W x 0.87" (22.0 mm) D
      • OUTPUT CONNECTOR (POWER MODULE) Integral 3-pin XLRM-type
      • CABLE 9.8' (3.0 m) long (permanently attached to microphone), 0.13" (3.2 mm) diameter, 2-conductor shielded cable with TA3F-type connector
      • OPTIONAL INTERCHANGEABLE ELEMENTS UE-H hypercardioid (100°); UE-O omnidirectional (360°); UE-UL UniLiner (90°)
      • ACCESSORIES FURNISHED AT8531 power module; AT8153 two-stage foam windscreen; AT8663 A-mount flange; AT8664 A-mount cable pass-through adapter; battery

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