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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.
- Audio-Technica AT831B - Cardioid Lavalier Condenser Microphone
- (AT8417) Clothing Clip
- (AT8444) Instrument Adapter
- (AT8531) Detatchable Power Module
- (AT8116) Foam Windscreen
- (AA) Battery
- Protective Carrying Case
- Limited Warranty
|Transducer||Permanently Polarized Condenser|
|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)|
|Low Frequency Roll-Off||-6 dB / Octave @ 150 Hz|
|Dimensions||Microphone: .98 x .39" (25 x 10 mm) L x Diameter
Power Module: 3.27 x 2.48 x 0.87" (83 x 63 x 22mm) L x W x D
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)
Questions & Answers
Audio Technica AT831B Miniature Cardioid Condenser Microphone
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