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AT831R

Cardioid Condenser Lavalier Microphone


U.S. Five-Year Limited End-User Warranty

*Manufacturer's Suggested Retail Price. Actual selling price may vary; please check with an authorized Audio-Technica dealer.



  • Overview
  • Features
  • Specifications
  • Downloads
  • Reviews
  • Q & A

  • Overview


    This clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831R also excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. The mic is ideal for higher SPL applications. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.
  • Features


    • Clip-on lavalier mic also excels in acoustic guitar applications

    • Provides crisp, full-sounding voice and instrument pickup

    • Excellent gain before feedback and suppression of background noise

    • Operates on phantom power only

    • 4.0 m (13.1') cable permanently attached to mic, TA3F connector at power module

    • RoHS compliant—free from all substances specified in the EU directive on hazardous substances

    • Also available as:
      AT831b – with battery/phantom power module
      AT831c – less power module; includes clothing clip and windscreen only; 10' (3 m) cable, unterminated
      AT831cW – less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak® wireless systems
      AT831cT4 – less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with TA4F-type connector for Shure® wireless systems
      AT831cT5 – less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with TA5F-type connector for Lectrosonics® wireless systems

  • Specifications

    ELEMENTFixed-charge back plate, permanently polarized condenser
    POLAR PATTERNCardioid
    FREQUENCY RESPONSE40-16,000 Hz
    LOW FREQUENCY ROLL-OFF80 Hz, 18 dB/octave
    OPEN CIRCUIT SENSITIVITY-42 dB (7.9 mV) re 1V at 1 Pa
    IMPEDANCE250 ohms
    MAXIMUM INPUT SOUND LEVEL141 dB SPL, 1 kHz at 1% T.H.D.
    DYNAMIC RANGE (typical)112 dB, 1 kHz at Max SPL
    SIGNAL-TO-NOISE RATIO65 dB, 1 kHz at 1 Pa
    PHANTOM POWER REQUIREMENTS11-52V DC, 2 mA typical
    SWITCHFlat, roll-off
    WEIGHT (MICROPHONE)0.1 oz (2.8 g)
    WEIGHT (POWER MODULE)2.9 oz (81 g)
    DIMENSIONS (MICROPHONE)0.98" (25.0 mm) long,
    0.40" (10.2 mm) diameter
    DIMENSIONS (POWER MODULE)3.66" (92.9 mm) long,
    0.74" (18.9 mm) diameter
    OUTPUT CONNECTOR (POWER MODULE)Integral 3-pin XLRM-type
    CABLE4.0 m (13.1') long (permanently attached to microphone), 3.2 mm (0.13") diameter, 2-conductor, shielded cable with TA3F-type connector
    ACCESSORIES FURNISHEDClothing clip; AT8444 guitar adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case
    AUDIO-TECHNICA CASE STYLEM1
    Click on the chart to view the larger image
    POLAR PATTERN
    POLAR PATTERN
    FREQUENCY RESPONSE
    FREQUENCY RESPONSE



    Conditions
  • Downloads

    AT831R Specification Sheet (pdf 449.87 KB)
    AT831R Submittal Sheet (pdf 372.38 KB)
    Optional Windscreens / Mounts
  • Reviews

  • Q & A