Description
The Audio-Technica ATM73AC is a cardioid condenser head-worn microphone designed for hands-free operation. It is ideal for performers, speakers, drummers, keyboardists, and presenters who need mobility while maintaining high-quality vocal capture. The microphone features a comfortable, adjustable headband that positions the boom near the side of the mouth for clear and focused voice pickup, reducing background noise and feedback.
Features
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Type: Fixed-charge back plate, permanently polarized condenser
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Polar Pattern: Cardioid (unidirectional) — minimizes ambient noise and feedback
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Frequency Response: 60 Hz – 15,000 Hz
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Low-Frequency Roll-Off: 150 Hz, 6 dB/octave
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Sensitivity: –56 dB (1.5 mV) re 1V at 1Pa
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Impedance: 200 ohms
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Maximum Input Sound Level: 135 dB SPL, 1 kHz at 1% THD
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Signal-to-Noise Ratio: 60 dB, 1 kHz at 1 Pa
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Power Requirements: 9–52 V DC phantom power or battery (depending on system used)