Audio-Technica AT897 Line and Gradient Condenser Microphone Overview:

Audio-Technica’s AT897 is designed for field audio acquisition in film/TV/video production, professional recording, wildlife recording and broadcast applications. It mounts conveniently on a DV camcorder without adding noticeable heft, and remains out of the frame even with compact digital cameras. This high-performance short shotgun offers outstanding long-distance audio pickup due to narrow acceptance angle of line + gradient design. It also features smooth, natural-sounding on-axis audio quality and excellent off-axis rejection of sound arriving from the sides and rear of mic.

Features:

• Designed for video production and broadcast (ENG/EFP) audio acquisition
• Short length (11") ensures mic stays out of the shot -- even when used with compact digital cameras
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• Smooth, natural-sounding on-axis audio quality
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• Provides the narrow acceptance angle desirable for long-distance sound pickup
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• Excellent sound rejection from the sides and rear of mic
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• Switchable low-frequency roll-off
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• Operates on battery or phantom power
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• RoHS compliant - free from all substances specified in the EU directive on hazardous substances
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\nSpecifications:
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• ELEMENT: Fixed-charge back plate, permanently polarized condenser
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• POLAR PATTERN: Line + gradient
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• FREQUENCY RESPONSE: 20-20,000 Hz
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• LOW FREQUENCY ROLL-OFF: 80 Hz, 18 dB/octave
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• OPEN CIRCUIT SENSITIVITY: Phantom: -40 dB (10.0 mV) re 1V at 1 Pa 
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• Battery: -41 dB (8.9 mV) re 1V at 1 Pa
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• IMPEDANCE: Phantom: 200 ohms, Battery: 300 ohms
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• 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.
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• DYNAMIC RANGE (typical): Phantom: 112 dB, 1 kHz at Max SPL, Battery: 98 dB, 1 kHz at Max SPL
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• SIGNAL-TO-NOISE RATIO: 77 dB, 1 kHz at 1 Pa
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• PHANTOM POWER REQUIREMENTS: 11-52V DC, 2 mA typical
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• BATTERY TYPE: 1.5V AA/UM3
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• BATTERY CURRENT / LIFE: 0.4 mA / 1200 hours typical (alkaline)
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• SWITCH: Flat, roll-off (recessed)
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• WEIGHT: 5.1 oz (145 g)
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• DIMENSIONS: 10.98" (279.0 mm) long, 0.83" (21.0 mm) diameter
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• OUTPUT CONNECTOR: Integral 3-pin XLRM-type
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• ACCESSORIES FURNISHED: AT8405a stand clamp for 5/8"-27 threaded stands; AT8134 windscreen; battery; 5/8"-27 to 3/8"-16 threaded adapter; protective carrying case
• AUDIO-TECHNICA CASE STYLE: SG2