Features
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.
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