Cardioid Condenser Lavalier Microphone
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.
| ELEMENT | Fixed-charge back plate, permanently polarized condenser |
| POLAR PATTERN | Cardioid |
| FREQUENCY RESPONSE | 40-16,000 Hz |
| LOW FREQUENCY ROLL-OFF | 80 Hz, 18 dB/octave |
| OPEN CIRCUIT SENSITIVITY | -42 dB (7.9 mV) re 1V at 1 Pa |
| IMPEDANCE | 250 ohms |
| MAXIMUM INPUT SOUND LEVEL | 141 dB SPL, 1 kHz at 1% T.H.D. |
| DYNAMIC RANGE (typical) | 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 |
| SWITCH | Flat, roll-off |
| WEIGHT (MICROPHONE) | 2.8 g |
| WEIGHT (POWER MODULE) | 81 g |
| DIMENSIONS (MICROPHONE) | 25mm long, 10.2mm diameter |
| DIMENSIONS (POWER MODULE) | 92.9mm long, 18.9 mm diameter |
| OUTPUT CONNECTOR (POWER MODULE) | Integral 3-pin XLRM-type |
| CABLE | 4m long (permanently attached to microphone), 3.2mm diameter, 2-conductor, shielded cable with TA3F-type connector |
| ACCESSORIES | Clothing clip; AT8444 guitar adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case |
| POLAR PATTERN |
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| FREQUENCY RESPONSE |
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