Miniature Cardioid Condenser Microphone (Phantom only)

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.

Features

This clip-on lavalier mic AT831R provides crisp, full-sounding voice pickup and excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 Instrument Microphone Adapter. It offers excellent gain before feedback and suppression of background noise. An integral 80 Hz high-pass filter provides easy switching from a flat frequency response to a low-end roll-off. It operates on phantom power only.

Clip-on lavalier mic also excels in acoustic guitar applications
Provides crisp, full-sounding voice and instrument pickup
Operates on phantom power only
6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
Included AT8417 clothing clip; AT8444 Instrument Microphone Adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case
Also available as: AT831b - with battery or 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

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, 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

AT831b Declaration of Conformity

AT831b Frequency Response

AT831b Polar Pattern

AT831b Specification Sheet

AT831c Polar Pattern

AT831c Declaration of Conformity

AT831c Frequency Response

AT831 Specification

AT831cW Declaration of Conformity

AT831 Frequency Response

AT831 Polar Pattern

AT831 Specifications

AT831R Declaration of Conformity

AT831R Frequency Response

AT831R Polar Pattern

AT831R Specification Sheet