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Home > Pro Audio > Microphones & Wireless Systems > Wireless Systems > Wireless System Components > Audio-Technica AT831R Cardioid Condenser Lavalier Microphone

Wireless System Components

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Item #: 275065

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Product Overview

Provides crisp, full-sounding voice pickup and it's effective for acoustic guitars and horns too.

  • 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
    13' (4.0 m) cable permanently attached to mic, TA3F connector at power module
Product Details

Audio-Technica AT831R Cardioid Condenser Lavalier Microphone

The AT831R also excels as an instrument mic, especially for pickup of acoustic guitar with the included AT8444 guitar adapter. The mic is ideal for higher SPL applications, such as pickup for horns with the included AT8418 UniMount microphone instrument mount. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.

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  • 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 (12.5 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): .01 oz. (2.8 g)
    Weight (power module): 2.9 oz. (81 g)
    Dimensions (microphone): 0.98" (24.8 mm) long, 0.40" (10.2 mm) diameter
    Dimensions (power module): 3.66" (92.9 mm) long, .74" (18.9 mm) diameter
    Output connector (power module): Integral 3-pin XLRM-type
    Cable: 25.0' (7.6 m) long (permanently attached to microphone), 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F-type connector
    Accessories furnished: AT8417 clothing clip; AT8418 UniMount microphone instrument mount; AT8444 guitar adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case
    Audio-Technica case style: M1
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