AUDIO TECHNICA AT831b (S-4)

Rp4.990.000 Rp3.992.000

The Audio-Technica AT831B is a miniature cardioid lavalier microphone with a sensitivity and frequency response suitable for professional video, broadcast and sound reinforcement applications. The cardioid polar pattern is effective minimizing off-axis signal, providing high gain-before-feedback while using nearby monitors and speakers.
The wide frequency response of 40Hz to 20kHz enables audio signal to be reproduced with accurate detail and minimal noise at low frequencies. The miniature capsule enables the microphone to be hidden underneath clothing and the included windscreen protects against noise caused by plosive signals and wind.
Miniature Capsule
The miniature, unobtrusive capsule allows for easy concealment underneath clothing.
Cardioid Polar Pattern
The cardioid polar pattern is effective in minimizing audio signal at the off-axis sections of the capsule. This provides high gain-before-feedback response while using nearby monitors and speakers.
High Sensitivity
The frequency and sensitivity response of the AT831 result in transparent, pristine audio signal reproduction with low noise floor.

SPECIFICATIONS
Transducer Permanently Polarized Condenser
Polar Pattern Cardioid
Frequency Response 40 Hz – 20 kHz
Dynamic Range (Typical) 101 dB, (@ Maximum SPL)
Signal-to-Noise Ratio 65 dB, (A-Weighted)
Maximum Input Sound Level 126 dB, (@ 1 kHz 1% THD)
Power Requirements Phantom: 9 – 52v DC
Battery: AA (1.5v)
Output Impedance 200 Ohms
Output Connectors XLR-3M Type, (from AT8531 Power Module)
Pad None
Low Frequency Roll-Off -6 dB / Octave @ 150 Hz
Applications Vocal, Instrument (Especially Guitar)
Dimensions Microphone: .98 x .39″ (25 x 10 mm) LxDiameter
Power Module: 3.27 x 2.48 x 0.87″ (83 x 63 x 22mm) LxWxD
Cable: 6′ (1.8 m) Long
Weight Microphone: 0.1 oz. (2.8 g) Less Cable and Accessories
Power Module: 5.2 oz. (147 g)

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