AT831R
Miniature Cardioid Condenser Microphone (Phantom only)
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
Element | Condenser |
Polar Pattern | Cardioid |
Frequency Response | 40 - 16,000 Hz |
Open Circuit Sensitivity | -42 dB (7.9 mV) re 1V at 1 Pa |
Impedance | 250 |
Maximum Input Sound Level | 141 dB SPL, 1 kHz at 1% T.H.D. |
Low Frequency Roll Off | 80 Hz, 18 dB/octave |
Switches | Off, on-flat, on-roll-off |
Dynamic Range | 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 |
Weight | Microphone : 2.8 g (0.1 oz) - Power Module : 81 g (2.9 oz) |
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) |
Accessories Included | AT8417 clothing clip; AT8444 Instrument Microphone Adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case |