Shure MX393/S Microflex Supercardioid Boundary Microphone with Programmable Switch and 3-pin Connector

The Shure MX393/S Microflex® Wired Supercardioid Boundary Microphone features an interchageable condenser microphone cartridge, a programmable silent membrane switche, a 12 ft 3-pin XLR cable, and a green LED indicator. This microphone is ideal for such applications as altars, boardrooms, and distance learning centers.

Applications

• Conference Rooms
• Seminars
• Houses of Worship
• Theaters
• Courtrooms
• Lecterns

Features

• Multi-element, low-profile, or wireless microphone styles available
• Extremely versatile range of placement options for easy configuration and installation
• Wide selection for customized installations
• Wired or wireless models available
• Superior audio quality
• CommShield™ Technology for improved RF resistance
• Sleek, low-profile designs

Specifications

• Type: Condenser (electret bias)
• Frequency Response: 50 Hz – 17 kHz
• Polar Pattern: Supercardioid
• Output Impedance: EIA rated at 150 Ω (180 Ω actual)
• Environmental Conditions
  • Operating temperature range: –18° C – 57° C
  • Relative Humidity: 0 – 95%
• Power Requirements: 11 – 52 Vdc phantom, 2.0 mA
• Sensitivity (at 1 kHz, open circuit voltage; 1 Pascal = 94 dB SPL); All settings -12 dB at 0 gain (internal modification): -26.5 dBV/Pa (47.3 mV)
• Maximum SPL, 1 kHz at 1% THD, 1 kΩ load; All settings +6 dB at 0 gain (internal modification): 116.0 dB
• Equivalent Output Noise A-weighted: 22.0 dB
• Signal-to-Noise Ratio, referenced at 94 dB SPL at 1 kHz: 72.0 dB
• Dynamic Range, 1 kΩ load at 1 kHz: 94.0 dB
• Common Mode Rejection 10 Hz to 100 kHz: 45 dB minimum, 10 Hz to 100 kHz
• Preamplifier Output Clipping Level, 1% THD: –6 dBV (0.5 V)
• Polarity Positive: Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector