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Shure MX418/C 18" Gooseneck Microphone (cardioid)

The Shure MX418/C Microflex Standard Gooseneck microphones bring a whole new meaning to the word flexible with their fully adjustable gooseneck. Designed for easy replacement and available in cardioid, supercardioid and omnidirectional polar patterns, the interchangeable cartridges offer wide frequency response and accurate sound reproduction for a wide variety of applications, such as houses of worship, courtrooms and conference centers. Plus, the condenser cartridges fit every model in the Microflex product line for enhanced convenience and consistent sound.

Shure MX418/C Features:

  • Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum
  • Interchangeable cartridges provide the right polar pattern for every application
  • Balanced, transformerless output for increased immunity to noise over long cable runs
  • Shock mount that provides over 20 dB isolation from surface vibration noise
  • Locking flange mount for permanently securing microphone to lecterns, pulpits, or conference tables
  • Snap-fit foam windscreen

Shure MX418/C Specifications:

  • Frequency Response:  50 Hz - 17 kHz
  • Polar Pattern:  Cardioid
  • Output Impedance (at 1000 Hz):  Rated at 150 Ohms (180 Ohms actual)
  • Open Circuit Sensitivity (at 1 kHz, ref. 1V/Pascal*):
    • Cardioid: –35.0 dB (17.8 mV)
    • All settings –12 dB at 0 gain
      • *1 Pascal = 94 dB SPL
  • Maximum SPL (1 kHz at 1% THD, 1k Ohm load):
    • Cardioid: 124.2 dB
    • All settings 6 dB at 0 gain
  • Equivalent Output Noise (A-weighted):  Cardioid: 28.0 dB SPL
  • Signal to Noise Ratio (referenced at 94 dB SPL) Cardioid:  66.0 dB
  • Dynamic Range at 1k Ohm Load:  96.2 dB; 100 dB at 0 gain
  • Common Mode Rejection:  45.0 dB minimum
  • Preamplifier Output Clipping Level (1% THD):  –6.0 dBV (0.5 V);  –12 dBat 0 gain
  • 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
  • Environmental Requirements:  Operating Temperature Range: –18° C to 57° C (0° F to 135° F)
  • Relative Humidity:  0 to 95%