Audio-Technica AT831B - Mini Clip-On Mic

Audio-Technica AT831B - Cardioid Lavalier Condenser Microphone

Audio-Technica AT831B - Cardioid Lavalier Condenser Microphone

B&H # AUAT831B MFR # AT831B
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Audio-Technica AT831B overview

  • 1Description

The Audio-Technica AT831B is a miniature cardioid lavalier microphone with a sensitivity and frequency response suitable for professional video, broadcast and sound reinforcement applications. The cardioid polar pattern is effective minimizing off-axis signal, providing high gain-before-feedback while using nearby monitors and speakers.

The wide frequency response of 40Hz to 20kHz enables audio signal to be reproduced with accurate detail and minimal noise at low frequencies. The miniature capsule enables the microphone to be hidden underneath clothing and the included windscreen protects against noise caused by plosive signals and wind.

Miniature Capsule
The miniature, unobtrusive capsule allows for easy concealment underneath clothing.
Cardioid Polar Pattern
The cardioid polar pattern is effective in minimizing audio signal at the off-axis sections of the capsule. This provides high gain-before-feedback response while using nearby monitors and speakers.
High Sensitivity
The frequency and sensitivity response of the AT831 result in transparent, pristine audio signal reproduction with low noise floor.
UPC: 042005309078
In the Box
Audio-Technica AT831B - Cardioid Lavalier Condenser Microphone
  • (AT8417) Clothing Clip
  • (AT8444) Instrument Adapter
  • (AT8531) Detatchable Power Module
  • (AT8116) Foam Windscreen
  • (AA) Battery
  • Protective Carrying Case
  • 1 Year Warranty
  • Table of Contents
    • 1Description

    Audio-Technica AT831B specs

    Transducer Permanently Polarized Condenser
    Polar Pattern Cardioid
    Frequency Response 40 Hz - 20 kHz
    Dynamic Range (Typical) 101 dB, (@ Maximum SPL)
    Signal-to-Noise Ratio 65 dB, (A-Weighted)
    Maximum Input Sound Level 126 dB, (@ 1 kHz 1% THD)
    Power Requirements Phantom: 9 - 52v DC
    Battery: AA (1.5v)
    Output Impedance 200 Ohms
    Output Connectors XLR-3M Type, (from AT8531 Power Module)
    Pad None
    Low Frequency Roll-Off -6 dB / Octave @ 150 Hz
    Applications Vocal, Instrument (Especially Guitar)
    Dimensions Microphone: .98 x .39" (25 x 10 mm) LxDiameter
    Power Module: 3.27 x 2.48 x 0.87" (83 x 63 x 22mm) LxWxD
    Cable: 6' (1.8 m) Long
    Weight Microphone: 0.1 oz. (2.8 g) Less Cable and Accessories
    Power Module: 5.2 oz. (147 g)
    Packaging Info
    Package Weight 1.1 lb
    Box Dimensions (LxWxH) 10.3 x 4.3 x 1.7"

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