Cardioid Condenser Lavalier Microphone

AT831

Overview

AT831

This clip-on lavalier mic provides crisp, full-sounding voice pickup. It also excels as an instrument mic, especially for pickup of acoustic guitar. The wired configuration (AT831R) includes the AT8444 guitar mount. The mic is ideal for higher SPL applications, and offers excellent gain before feedback and suppression of background noise. Includes windscreen and clothing clip.

Available configurations:

AT831R: 13.1' (4.0 m) permanently attached cable terminated with TA3F connector; AT8538 phantom-only power module with 80 Hz high-pass filter.

AT831b: 6' (1.8 m) permanently attached cable terminated with TA3F connector; AT8531 power module (with 80 Hz high-pass filter) for battery or phantom power.

AT831c: 10' (3 m) permanently attached cable (unterminated); no power module.

AT831cH: 55" (1.4 m) permanently attached cable terminated with a screw-down 4-pin connector for use with Audio-Technica cH-style body-pack wireless transmitters; no power module.

AT831cW: 55" (1.4 m) permanently attached cable terminated with cW-style locking 4-pin connector for use with Audio-Technica cW-style body-pack wireless transmitters; no power module.

AT831cT4: 55" (1.4 m) permanently attached cable terminated with TA4F connector for use with Shure wireless systems; no power module.

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

Microphones
Element	Condenser
Polar Pattern	Cardioid
Frequency Response	40-16,000 Hz
Low Frequency Roll Off	80 Hz, 18 dB/octave (wired only)
Open Circuit Sensitivity	-42 dB (7.9 mV) re 1V at 1 Pa
Maximum Input Sound Level	141 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range	112 dB, 1 kHz at Max SPL (wired only)
Signal-to-Noise Ratio	65 dB, 1 kHz at 1 Pa
Phantom Power Requirements	11-52V DC, 2 mA typical (wired only)
Switches	Off, on-flat, on-roll-off (wired only)
Weight	Microphone : 2.8 g (0.1 oz) - Power Module : 81 g (2.9 oz) (wired only)
Dimensions	Microphone: 25.0 mm (0.98") long, 10.2 mm (0.40") diameter - Power Module: 3.66" (92.9 mm) long (wired only), 0.74" (18.9 mm) diameter
Output Connector	Integral 3-pin XLRM-type on Power Module (wired only)
Accessories Included	AT8419 clothing clip; AT8444 Instrument Microphone Adapter (wired only); AT8538 remote power module (wired only); AT8116 windscreen; protective carrying case (wired only)

Downloads

Wireless Essentials® Accessory Microphones and Input Cables Specification Sheet

AT831b Submittal Sheet

AT831b Specification Sheet

AT831b Specification Sheet AT831b Specification Sheet

AT831R Submittal Sheet

AT831R Specification Sheet

AT831R Specification Sheet AT831R Specification Sheet