Audio-Technica AT897 Line + Gradient Condenser Microphone Type: Pro Audio - Microphones Connectors: Output Connector: Integral 3-pin XLRM-type Audio: Element: Fixed-charge back plate, permanently polarized condenser Polar Pattern: Line + gradient Frequency Response: 20-20,000 Hz Low Frequency Roll-Off: 80 Hz, 12 dB/octave Open Circuit Sensitivity Phantom: -40 dB (5.6 mV) re 1V at 1 Pa Open Circuit Sensitivity Battery: -41 dB (5.6 mV) re 1V at 1 Pa Phantom Impedance: 200 ohms Battery Impedance: 300 ohms Phantom Maximum Input Sound Level: 129 dB SPL, 1 kHz at 1% T.H.D. Battery Maximum Input Sound Level: 115 dB SPL, 1 kHz at 1% T.H.D. Phantom Dynamic Range (Typical): 112 dB, 1 kHz at Max SPL Battery Dynamic Range (Typical): 98 dB, 1 kHz at Max SPL SNR: 77 dB, 1 kHz at 1 Pa Phantom Power Requirements: 11-52V DC, 2 mA typical Switch: Flat, roll-off (recessed) ...
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