AT897 Shotgun Microphone

<Element> Fixed-charge back plate, permanently polarized condenser </Element> <Polar Pattern> Line + gradient </Polar Pattern> <Frequency Response> 20-20,000 Hz </Frequency Response> <Low Frequency Roll-off> 80 Hz, 18 dB/octave </Low Frequency Roll-off> <Open Circuit Sensitivity> Phantom: -40 dB (10.0 mV) re 1V at 1 Pa,Battery: -41 dB (8.9 mV) re 1V at 1 Pa </Open Circuit Sensitivity> <Impedance> Phantom: 200 Ω, Battery: 300 Ω </Impedance> <Maximum Input Sound Level> Phantom: 129 dB SPL, 1 kHz at 1% T.H.D., Battery: 115 dB SPL, 1 kHz at 1% T.H.D. </Maximum Input Sound Level> <Dynamic Range(typical)> Phantom: 112 dB, 1 kHz at Max SPL, Battery: 98 dB, 1 kHz at Max SPL </Dynamic Range(typical)> <Signal-to-noise Ratio> 77 dB, 1 kHz at 1 Pa </Signal-to-noise Ratio> <Phantom Power Requirements> 11-52V DC, 2 mA typical </Phantom Power Requirements> <Battery Type> 1.5V AA/UM3 </Battery Type> <Battery Current/Life> 0.4 mA / 1200 hours typical (alkaline) </Battery Current/Life> <Switch> Flat, roll-off (recessed) </Switch> <Weight> 5.1 oz (145 g) </Weight> <Dimensions> 10.98" (279.0 mm) long, 0.83" (21.0 mm) diameter </Dimensions> <Output Connector> Integral 3-pin XLRM-type </Output Connector>