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AT831R

Cardioid Condenser Lavalier Microphone
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Details

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.

 

    • 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

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 -42 dB (7.9 mV) re 1V at 1 Pa
IMPEDANCE 250 ohms
MAXIMUM INPUT SOUND LEVEL 141 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) 112 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
SWITCH Flat, roll-off
WEIGHT (MICROPHONE) 2.8 g
WEIGHT (POWER MODULE) 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
CABLE 4.0 m (13.1') long (permanently attached to microphone), 3.2 mm (0.13") diameter, 2-conductor, shielded cable with TA3F-type connector
ACCESSORIES FURNISHED Clothing clip; AT8444 guitar adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case
AUDIO-TECHNICA CASE STYLE M1

Configurations

Graphs

Polar Pattern
Frequency Response

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