The AT831b is a miniature clip-on/lavalier condenser microphone with a cardioid polar pattern. It is designed for quality sound reinforcement, professional recording, television and other demanding sound pickup applications. The microphone is intended to be worn on the clothing or used as an instrument mic for excellent yet unobtrusive sound pickup. The wide-range capability of the microphone ensures clean, accurate reproduction with high intelligibility for speakers and presenters as well as for instrument pickup. Its small size makes it ideal for use in applications where minimum visibility is required.

The microphone requires 11V to 52V phantom power or a 1.5V AA battery for operation. A battery need not be in place for phantom power operation. The microphone’s cardioid polar pattern provides a 120° angle of acceptance. The microphone includes a 1.8 m (6') permanently attached miniature cable. Its free end connects to the provided AT8531 power module via a TA3F-type connector. The output of the power module is a 3-pin XLRM-type connector.

A 3-position switch in the power module permits choice of off, on/flat response or on/low-roll-off (via integral 80 Hz high-pass UniSteep® filter). The roll-off position reduces the pickup of low-frequency ambient noise. The microphone comes equipped with a power module, a clothing clip, an instrument adapter, a windscreen, a battery and a protective carrying case.

Features

• Clip-on lavalier mic provides crisp, full-sounding voice pickup
• Also excels as an instrument mic, especially for pickup of acoustic guitar with included A T8444 instrument adapter
• Excellent gain before feedback and suppression of background noise
• Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source
• Offers the convenience of battery or phantom power operation
• Rugged design and construction for reliable performance
• UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality

Accessories Furnished

Clothing clip; AT8444 instrument adapter; AT8531 power module; AT8116 windscreen; battery; protective carrying case