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Audio Technica AT831B Cardioid Lavalier Mic

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.

Audio-Technica AT831B Cardioid Lavalier

Audio Technica AT831B Cardioid Lavalier Mic

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.

SKU: 18060

Cat no: 1054

  • Clip-on lavalier mic also excels in acoustic guitar applications
  • Operates on battery or phantom power
  • Provides crisp, full-sounding voice and instrument pickup
  • 6' (1.8 m) cable permanently attached to mic
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Estimated Delivery 2 to 3 days

£145.00 (ex vat) £174.00 (incl vat)

Audio Technica AT831B Cardioid Lavalier Mic

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.

Key Features:

  • Clip-on lavalier mic also excels in acoustic guitar applications
  • Operates on battery or phantom power
  • Provides crisp, full-sounding voice and instrument pickup
  • 6' (1.8 m) cable permanently attached to mic

Product Specification

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)
  • Audio-Technica AT831B Cardioid Lavalier
  • (AT8417) Clothing Clip
  • (AT8444) Instrument Adapter
  • (AT8531) Detatchable Power Module
  • (AT8116) Foam Windscreen
  • (AA) Battery
  • Protective Carrying Case

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