AT831b

Miniature Cardioid Condenser Microphone (both battery & Phantom)

  • 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
  • UniSteep® filter provides a steep low-frequency attenuation
  • 6' (1.8 m) cable permanently attached, TA3F connector at power module
  • Operates on battery or phantom power

£191.00 (inc. VAT)

AT831b
AT831b

AT831b

Miniature Cardioid Condenser Microphone (both battery & Phantom)

This clip-on lavalier mic AT831b 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 battery or phantom power.

  • Clip-on lavalier mic also excels in acoustic guitar applications
  • Provides crisp, full-sounding voice and instrument pickup
  • Operates on battery or phantom power
  • 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
  • Included AT8417 clothing clip; AT8444 instrument microphone adapter; AT8531 power module; AT8116 windscreen; battery and protective carrying case
  • Also available as: 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
AT831b
Element Condenser
Polar Pattern Cardioid
Frequency Response 40 - 18,000 Hz
Open Circuit Sensitivity Phantom: -44 dB (6.3 mV) re 1V at 1 Pa
Battery: -46 dB (5.0 mV) re 1V at 1 Pa
Impedance Phantom: 200 Ω
Battery: 270 Ω
Maximum Input Sound Level Phantom: 135 dB SPL, 1 kHz at 1% T.H.D.
Battery: 121 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 Phantom: 106 dB, 1 kHz at Max SPL
Battery: 92 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
Battery Type 1.5V AA/UM3
Battery Current/Life 0.4 mA / 1200 hours typical
(alkaline)
Weight Microphone : 2.8 g (0.1 oz) - Power Module : 139 g (4.9 oz)
Dimensions Microphone: 25.0 mm (0.98") long, 10.2 mm (0.40") diameter - Power Module: 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
Output Connector Integral 3-pin XLRM-type (on Power Module)
Cable 1.8 m (6') long (permanently attached to microphone), 2.6 mm (0.10") diameter, 2-conductor, shielded cable with TA3F-type connector
Accessories Included AT8417 Clothing clip; AT8444 instrument microphone adapter; AT8531 power module; AT8116 windscreen; battery; protective carrying case

AT831b

Related Products

AT8116

Lavalier Foam Windscreen

£13.00

AT8131

Miniature Foam Windscreen

£3.00

AT8418

UniMount® Microphone Instrument Mount

£45.00

AT8419

Lavalier Microphone Clip

£13.00

AT8434

Lavalier Microphone Clip

£10.00

AT8444

Instrument Microphone Clip-On Adapter

£39.00

BPF-XLAV

Lavalier Fur Sock

£13.00

AT831b

Miniature Cardioid Condenser Microphone (both battery & Phantom)

Name Filetype Filesize
AT831b Specification Sheet PDF 108 KB
AT831b Polar Pattern JPG 51 KB
AT831b Frequency Response JPG 45 KB
AT831b Declaration of Conformity PDF 53 KB

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