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
AT831R Submittal Sheet
AT831R Specification Sheet