The Shure Microflex MX418S/C is an 18" fully adjustable cardioid gooseneck microphone designed for podium and desktop use in speech, presentations, conferences and more. It features high sensitivity and balanced, transformerless output for maximum immunity to electromagnetic hum and RF interference, even over long cable runs.
Common Mode Rejection: | 45.0 dB minimum |
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Dimensions: | Microphone: 23.92 x .79" (607.56 x 20.07mm) (L x Diameter) Mounting Flange: 2.62" (66.54mm) in Diameter |
Dynamic Range at 1 kilohm load 96.2 dB: | 100 dB at 0 gain |
Equivalent Output Noise (A-weighted): | 28.0 dB SPL |
Frequency Response: | 50 to 17,000 Hz |
Maximum SPL: | 124.2 dB (1 kHz at 1% THD, 1 kilohm load) |
Operating Temperature Range: | -18 to 57 degrees C (0 to 135 degrees F) |
Output Impedance: | 180 ohms actual (EIA rated at 150 ohms) |
Polar Pattern: | Cardioid |
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 |
Preamplifier Output Clipping Level: | (1% THD) -6.0 dBV (0.5 V) -12 dBV at 0 gain |
Relative Humidity: | 0 to 95% |
Sensitivity (At 1,000 Hz): | (open circuit voltage) -35.0 dBV/Pa (17.8 mV) |
Signal to Noise Ratio: | 66.0 dB (referenced at 94 dB SPL) |
Transducer: | Condenser |
Weight: | 1.82 lbs. (0.82 kg) |