Product Overview
Consumer Alert - Most users do not need a license to operate this wireless
microphone system. Nevertheless, operating this microphone system without a license
is subject to certain restrictions: the system may not cause harmful interference;
it must operate at a low power level (not in excess of 50 milliwatts); and it has
no protection from interference received from any other device. Purchasers should
also be aware that the FCC is currently evaluating use of wireless microphone systems,
and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC
(TTY: 1-888-TELL-FCC) or visit the FCC�s wireless microphone website at http://www.fcc.gov/cgb/wirelessmicrophones.
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
