Audio-Technica AT831R Cardioid Condenser Lavalier Microphone

Miniature Cardioid Condenser 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.

Variations:
AT831b - with battery/phantom power module
AT831R - with phantom-only 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
AT831cT - less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with TA4F connector for Telex, HME and Swintec
AT831cT4 - less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with TA4F connector for Shure
AT831cT5 - less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with TA5F connector

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

Specifications:

• 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): 0.1 oz (2.8 g)
• WEIGHT (POWER MODULE): 2.9 oz (81 g)
• DIMENSIONS (MICROPHONE): 0.98" (25.0 mm) long, 0.40" (10.2 mm) diameter
• DIMENSIONS (POWER MODULE): 3.66" (92.9 mm) long, 0.74" (18.9 mm) diameter
• OUTPUT CONNECTOR (POWER MODULE): Integral 3-pin XLRM-type
• CABLE: 4.0 m (13.1') long (permanently attached to microphone), 3.2 mm (0.13") diameter, 2-conductor, shielded cable with TA3F-type connector
• ACCESSORIES FURNISHED: Clothing clip; AT8444 guitar adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case
• AUDIO-TECHNICA CASE STYLE: M1

Includes:

• AT831R Lavalier Microphone
• AT8417 Clothing Clip
• AT8116 Foam Windscreen
• AT8444 Guitar Adapter
• AT8538 Remote Power Module
• 1 Year Warranty