AT803 Omnidirectional Condenser Lavalier Microphone


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    The AT803 provides excellent yet unobtrusive sound pickup for lecturers and stage/TV performers. Designed for clip-on lavalier and musical instrument use, it features an integral 80 Hz high-pass filter that provides easy switching from a flat frequency response to a low-end roll-off. The microphone operates on battery or phantom power.


    • High intelligibility for lecturers and stage/TV performers
    • Provides excellent yet unobtrusive sound pickup
    • UniSteep filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
    • Operates on battery or phantom power
    • 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
    • RoHS compliant—free from all substances specified in the EU directive on hazardous substances

    Element: Fixed-charge back plate, permanently polarized condenser
    Polar Pattern: Omnidirectional
    Frequency Response: 30-20,000 Hz
    Low Frequency Roll-off: 80 Hz, 18 dB/octave
    Open Circuit Sensitivity: Phantom: -44 dB (6.3 mV) re 1V at 1 Pa, Battery: -46 dB (5.0 mV) re 1V at 1 Pa
    Impedance: Phantom: 200 ohms, Battery: 270 ohms
    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.
    Dynamic Range (Typical): Phantom: 107 dB, 1 kHz at Max SPL
    Battery: 93 dB, 1 kHz at Max SPL
    Signal-to-Noise Ratio: 66 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) 2.8 g (0.1 oz)
    Weight: (POWER MODULE) 139 g (4.9 oz)
    Dimensions: (MICROPHONE) 25.0 mm (0.98") long, 10.2 mm (0.40") diameter
    Dimensions: (POWER MODULE) 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
    Output Connector: (POWER MODULE) Integral 3-pin XLRM-type
    Cable: 1.8 m (6') long (permanently attached to microphone), 2.6 mm (0.10") diameter, 2-conductor, shielded cable with TA3F-type connector
    Accessories Furnished: AT8531 power module; AT8419 clothing clip; AT8116 windscreen; battery; protective carrying case
    Audio-Technica Case Style: M1
    More Information
    Manufacturer Model NumberAT803
    Manufacturer Part NumberAT803
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