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Shure MX393/O Omnidirectional Condenser Boundary Microphone, 50 to 17,000 Hz Frequency Response

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About the Shure MX393/O

The Shure MX393/O is an omnidirectional condenser boundary microphone with a built-in preamp, a removable 12 ft (4 m) that terminates to a balanced XLR-3M type connector cable. Logic Functions and programmable switch with LED indicator are also standard. This microphone operates on phantom power only.

Shure MX393/O Includes

  • Shure MX393/O Omnidirectional Condenser Boundary Microphone
  • 12' XLR Cable
  • Shure Warranty

Shure MX393/O Features

  • Flat frequency response across the vocal range for uncolored sound
  • Sleek, low-profile design for unobtrusive appearance
  • Balanced, transformerless output for increased immunity to noise over long cable runs
  • Programmable membrane on/off switch plus LED on/off indicator

Shure MX393/O Specifications

Transducer Condenser
Frequency Response 50 to 17,000 Hz
Polar Pattern Omnidirectional
Output Impedance EIA Rated at 150 ohms (180 ohms actual)
Sensitivity -22.0 dBV/Pa (79.4 mV) (at 1 kHz, open circuit voltage)
Maximum Sound Pressure Level 111.5 dB (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load)
Signal to Noise Ratio 76.5 dB (referenced at 94 dB SPL)
Equivalent Output Noise (A-weighted) 17.5 dB SPL
Dynamic Range 94.0 dB
Common Mode Rejection 45 dB minimum, 10 Hz to 100 kHz
Switch Attenuation 50 dB minimum
Preamplifier Output Clipping Level -6 dBV (0.5 V)
Polarity Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector
Power Requirements 11 to 52 Vdc phantom
2.0 mA current consumption
Environmental Requirements Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)
Relative Humidity: 0 to 95%
Dimensions (L x W x H) 4.263 x 3 x 1.621" (108.3 x 76.3 x 41.2 mm)
Weight 4.16 oz. (117.9 g)
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