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The Model SM89 is a highly directional condenser shotgun microphone with distant pickup characteristics suitable for on-location film and television production. The SM89 can also be used for theater sound reinforcement, spot news coverage, or wildlife recording. The SM89 discriminates at a distance in favor of desired dialogue or effects and against ambient noise -- even in noisy surroundings.

The on-axis frequency response of the SM89 is very smooth and extended. For clarity and speech intelligibility, a slight presence rise optimizes the high-frequency response to compensate for high-frequency losses. A low-frequency roll-off minimizes pickup of wind, mechanical vibration, ambient noise, and rumble without affecting voice frequencies.

The off-axis response of the SM89 is virtually free of comb-filter effects. This is important when it is not possible to aim the microphone precisely or when it is desirable to pick up dialogue or sound from moving sources.

SM89 - Includes carrying case and foam windscreen. Phantom power required

Features:

• Designed especially for location film and TV production, theater sound reinforcement, and spot news coverage
• Highly directional polar pattern optimized for distant pickup
• Smooth, wide on-axis response
• Greatly suppressed side pickup with minimum comb-filter effects
• Two low-cut frequencies, switch selectable
• Low impedance, high sensitivity
• Extremely low hum, noise, and RF pickup
• Uses readily available 11 to 52 Vdc phantom supply
• Rugged and reliable, operates over wide range of temperature and humidity
• Extremely lightweight, can be suspended on fishpole for long periods of time without operator fatigue
• Aircraft-grade materials used throughout
• Supplied with foam windscreen and strong luggage-grade carrying case

Specifications:

• Type: Pressure gradient/line combination
• Transducer: Condenser
• Frequency Response: 60 to 20,000 Hz
• Polar Pattern: Hypercardioid at low frequencies, lobar at frequencies above 1 kHz, symmetrical about axis
• Output Impedance: Rated at 150 ohms (100 ohms actual), Recommended minimum load: 800 ohms (May be used with loads low as 150 ohms with reduced clipping level)
• Sensitivity: (at 1,000 Hz): Open Circuit Voltage: -33 dBV/Pa (22.2 mV)(1 Pascal = 94 dB SPL)
• Output Clipping Level (at 1,000 Hz, under 0.5% THD): 800 ohm load: -1 dBV (0.89 V), 150 ohm load: -12 dBV (0.25 V)
• Maximum SPL (at 1,000 Hz, under 0.5% THD): 800 ohm load: 127 dB SPL, 150 ohm load: 119 dB SPL
• Hum Pickup: Under 3 dB equivalent SPL in 1 mOe field (60 Hz)
• Output Noise: 16 dB SPL typical, A-weighted
• Signal-to-Noise Ratio: 79 dB re 94 dB SPL
• Dynamic Range: 111 dB
• Phasing: Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of microphone output connector
• Power: Phantom voltage: 11 to 52 Vdc; 2 mA current drain
• Low-Cut Filter: 60 Hz(--) or 160 Hz (/-- )
• Case: Satin-black vinyl painted aluminum alloy handle and grille with stainless steel screen
• Environmental Conditions: Operating Temperature: -29 to 57 degrees C (-20 to 135 degrees F), Relative Humidity (Operating): 0 to 95%, Storage Temperature: -29 to 74 degrees C (-20 to 165 degrees F), Relative Humidity (Storage): Up to 80% at 74 degrees C (165 degrees F)
• Net Weight: 195 grams (6.9 oz)