Shure MX418D/S 18" Supercardioid Gooseneck Mic with Desktop Base

Designed for desktop use, the MX418D/S from Shure is an 18” Microflex Gooseneck Condenser Microphone with supercardioid polar pattern. Complete with attached base, XLR preamp, shock and flange mount, and snap-fit foam windscreen, Shure Microflex® Standard Gooseneck microphones bring a whole new meaning to the word flexible with a fully adjustable gooseneck. Optional, interchangeable condenser cartridges fit every model in the Microflex product line for enhanced convenience and consistent sound perfect for a wide variety of applications, such as houses of worship, courtrooms and conference centers.

Every Microflex Gooseneck features high sensitivity and balanced, transformerless output for maximum immunity to electromagnetic hum and RF interference, even over long cable runs. Each Microflex Gooseneck microphone comes with a complete installation kit, including locking metal and foam ball windscreens, snap-in and shock-mount microphone stand adapters.

Includes

• Flange
• Retainer
• Isolation Ring
• Snap-fit Foam Windscreen (1 furnished, 4 in replacement kit)
• Shock Mount
• Hex Wrench #4

Features

• Gooseneck Length: 18 inch (45.7 cm) lengths
• Supercardioid polar pattern
• Locking flange mount for permanently securing microphone to surfaces
• Snap-fit foam windscreen
• Shock mount provides over 20 dB isolation from surface vibration noise
• Models available with attached preamp, in-line preamp, or desktop base
• Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum
• Balanced, transformerless output for increased immunity to noise over long cable runs
• New RF filtering

Specifications

• Frequency Response: 50 to 17,000 Hz
• Polar Pattern: Supercardioid
• Output Impedance (at 1,000 Hz): Rated at 150 Ω (180 Ω actual)
• Open Circuit Sensitivity at 1 kHz, ref. 1 V per Pascal*: –32.5 dBV (23.7 mV)
• Maximum SPL (1kHz at 1% THD, 1 kΩ load): 122.0 dB
• Equivalent Output Noise (A-weighted): 28.0 dB SPL
• Signal to Noise Ratio (referenced at 94 dB SPL): 66.0 dB
• Dynamic Range with 1 kΩ load: 94.0 dB
• Common Mode Rejection: 45.0 dB minimum
• Mute Switch Attenuation: 50.0 dB minimum
• Preamplifier Output Clipping Level (1% THD): –6.0 dBV (0.5 V)
• Polarity: Positive sound pressure on diaphram produces positive voltage on pin 2 relative to pin 3 of XLR output connector.
• Power Requirements: 11 to 52 Vdc phantom, 2.0 mA
• Environmental Requirements: Operating Temperature Range: –18° to 57° C (0° to 135° F)
• Relative Humidity: 0 to 95%
• Weight: 0.82 kg (1.82 lbs.) net, 1.64 kg (3.64 lbs.) packaged
• The attached custom cable contains a shielded audio pair and
• three unshielded conductors for logic control.
• Overall cable diameter = 0.6 mm (0.165 in.)