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
ATM31a Specifications Element Dynamic Range (Typical) Condenser PHANTOM: 113 dB, 1 kHz at Max. SPL BATTERY: 99 dB, 1 kHz at Max. SPL Polar Pattern Phantom Power Requirements Cardioid 9 - 52V, 2 mA typical Frequency Response Battery Type 30 - 20,000 Hz 1.5V AA/UM3 Open Circuit Sensitivity Battery Current/Life PHANTOM: -44 dB (6.3 mV) re 1V at 1 Pa BATTERY: -45 dB (5.6 mV) re 1V at 1 Pa 0.4 mA/1200 hours typical Impedance Weight PHANTOM: 200 ohms BATTERY: 270 ohms 7.1 oz (200 g) Maximum Input Sound Level Output Connector PHANTOM: 137 dB SPL, 1 kHz at 1% T.H.D. BATTERY: 123 dB SPL, 1 kHz at 1% T.H.D. XLRM-type Signal to Noise Ratio 70 dB, 1 kHz at 1 Pa Accessories Furnished: AT8405 stand clamp; AT8114 foam windscreen; battery; protective pouch
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