Description

The AT831CW is a cardioid condenser lavalier microphone designed for clear and accurate audio capture. It features a cardioid polar pattern that reduces pickup of sounds from the sides and rear, improving isolation of the desired sound source. This model is terminated with a locking 4-pin connector, making it compatible with Audio-Technica UniPak® body-pack transmitters.

Features:

• Cardioid Polar Pattern: Provides excellent off-axis rejection, minimizing unwanted background noise and feedback.
• Wide Frequency Response: Ensures natural sound reproduction with a frequency range of 40 Hz to 20 kHz.
• High SPL Handling: Capable of handling high sound pressure levels, making it suitable for both vocal and instrument applications.
• Low Profile Design: Discreet and lightweight design for unobtrusive use, ideal for presentations, theater, and other applications requiring a low-profile microphone.
• Durable Construction: Built to withstand the rigors of everyday use in professional environments.
• Locking 4-Pin Connector: Terminated with a locking 4-pin connector for use with Audio-Technica UniPak® body-pack transmitters.

Specifications:

• Element: Fixed-charge back plate, permanently polarized condenser
• Polar Pattern: Cardioid
• Frequency Response: 40 Hz to 20 kHz
• Open Circuit Sensitivity: -46 dB (5.0 mV) re 1V at 1 Pa
• Impedance: 200 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
• Power Requirements: 11-52V DC, 2 mA typical
• Cable: 1.4 m (55″) long, 2.6 mm (0.10″) diameter, 2-conductor shielded cable with locking 4-pin connector for A-T UniPak® body-pack transmitters
• Dimensions:
  • Microphone: 21.0 mm (0.83″) long, 10.2 mm (0.40″) diameter
• Weight: Microphone: 16 grams (0.6 oz)

Included Components:

• AT831CW Lavalier Microphone: The main microphone unit.
• AT8417 Clothing Clip: For securely attaching the microphone to clothing.
• AT8131 Windscreen: Reduces wind noise and popping sounds.
• Protective Carrying Case: For storage and transport.

Applications:

• Live Performances: Ideal for use in live sound environments such as presentations, theater, and concerts where discreet microphone placement is essential.
• Broadcasting: Suitable for radio and television broadcasting, providing clear and natural sound reproduction.
• Recording Studios: Perfect for studio recording of vocals and instruments, offering excellent sound isolation and clarity.
• Public Speaking: Great for conferences, seminars, and other public speaking events where hands-free operation is needed.

Usage Tips:

1. Attaching the Microphone: Use the provided clothing clip to attach the microphone securely to your clothing, positioning it as close to the mouth as possible for optimal sound capture.
2. Using the Windscreen: Attach the windscreen to the microphone to reduce wind noise and plosive sounds.
3. Connecting to Transmitter: Plug the microphone into the Audio-Technica UniPak® body-pack transmitter using the locking 4-pin connector.
4. Testing Audio Levels: Perform a sound check to ensure the microphone is capturing clear and balanced audio. Adjust the transmitter gain if necessary.
5. Maintenance: Regularly check the microphone and cable for any signs of wear or damage. Clean the windscreen and microphone as needed to maintain optimal performance.

The AT831CW lavalier microphone is an essential accessory for professionals who need a reliable and high-quality microphone for wireless audio capture. Its durable construction, excellent sound isolation, and discreet design make it a valuable tool for achieving professional-quality sound in various settings.