Audio-Technica AT831B Cardioid Condenser Lavalier Microphone Only - SKU#1620166

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Used Audio-Technica AT831B Cardioid Condenser Lavalier Microphone Only with Attached Power Module (Old Version)

SKU: US1620166
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Audio-Technica AT831B Cardioid Condenser Lavalier Microphone
Audio-Technica AT831B Cardioid Condenser Lavalier Microphone
 (1)
$249.00
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Reviews about this item

Review Summary

2018-08-10T09:43:25

Rated 5 out of 5

Excellent microphone, great price

I have been looking for a directional lav to help with room noise problems for TV recording. This works great.

Kenneth G.

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Audio-Technica AT831B Specifications

  • Element

    Fixed-charge back plate, permanently polarized condenser

  • Polar pattern

    Cardioid

  • Frequency response

    40-16,000 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: 106 dB, 1 kHz at Max SPL
    Battery: 92 dB, 1 kHz at Max SPL

  • Signal-to-noise ratio

    65 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

  • Output connector

    Power module: Integral 3-pin XLRM-type

  • Cable Length

    1.8m / 6' (permanently attached to microphone), 2.6mm / 0.10" (Diameter), 2-conductor, shielded cable with TA3Ftype connector

  • Audio-Technica case style

    M1

  • Dimensions

    Microphone: 25.0x10.2mm / 0.98x0.40" (LxDiameter)
    Power Module: 84x63.0x22.0mm / 3.30x2.48x0.86" (LxWxD)

  • Weight

    Microphone: 2.8g / 0.09oz
    Power module: 139g / 4.9oz

About Audio-Technica AT831B Cardioid Condenser Lavalier Microphone Only - SKU#1620166

Audio-Technica AT831B Cardioid Condenser Lavalier Microphone Only - SKU#1620166 Features

  • 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

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  • Audio-Technica AT831B Cardioid Condenser Lavalier Microphone with Attached Power Module (Old Version)
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