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Audio Technica ATM31A Cardioid Microphone

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audio technica atm31a
Images may show accessories or configurations not packaged with this item.
Ideal for close-up vocals, overheads, piano and strings

• Sound is similar to far more expensive studio microphones
• Low-mass diaphragm ensures minimum distortion
• Cardioid pattern provides added warmth when used close up
• Operates on battery or phantom power


• Element: Condenser
• dynamic Range (Typical): PHANTOM 113 dB, 1 kHz at Max. SPL; BATTERY 99 dB, 1 kHz at Max. SPL
• Polar Pattern: Cardioid
• Phantom Power Requirements: 9 - 52V, 2 mA typical
• Frequency Response: 30 - 20,000 Hz
• Battery Type: 1.5V AA/UM3
• Open Circuit Sensitivity: PHANTOM -44 dB (6.3 mV) re 1V at 1 Pa; BATTERY -45 dB (5.6 mV) re 1V at 1 Pa
• Battery Current/Life: 0.4 mA/1200 hours typical
• Impedance: PHANTOM 200 ohms; BATTERY 270 ohms
• Weight: 7.1 oz (200 g)
• Maximum Input Sound Level: PHANTOM 137 dB SPL, 1 kHz at 1% T.H.D.; BATTERY 123 dB SPL, 1 kHz at 1% T.H.D.
• Output Connector: XLRM-type
• Signal to Noise Ratio: 70 dB, 1 kHz at 1 Pa
Accessories Furnished: AT8405 stand clamp; AT8114 foam windscreen; battery; protective pouch

Additional Information

ManufacturerAudio Technica
Product ConditionNew - On Clearance

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