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Audio  »  Audio Cables, Adapters, etc.  » Shure

Shure Microflex Boundary Supercardioid Microphone MX391/S

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MSRP: $250.00

Your Price $192.00

Shure Microflex Boundary Supercardioid Microphone MX391/S image
Shure Microflex Boundary Supercardioid Microphone MX391/S
Camcor Item No.136017081
Mfg. Part No.MX391/S

Today's Date: November 16, 2019

Miniature Black Condenser Boundary Microphone, In-Line Preamp, 12 foot (4 meter) Attached Cable to 4-Pin Mini Connector.

There's never been smarter boundary microphones than the Microflex models from Shure. With many models to choose from, equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, Microflex Boundary microphones are the high-quality solution for a range of applications, such as altars, boardrooms and distance learning centers.

Every Microflex Boundary microphone features one of the new interchangeable condenser cartridges. Available in cardioid, supercardioid and omnidirectional polar patterns, the Microflex cartridges give you superior Shure quality sound options for every installation. In addition, their programmable switches offer the flexibility to be set for Push to Talk, Push to Mute or Push On/Push Off modes.

Attractively designed with a low profile, professional appearance, the Microflex Boundary microphones come with an easy to use paint mask for your custom-color installations. Find out why we call the new Microflex Boundary microphones "the smart choice" for just about every application. Take a listen today.

Features

  • Flat frequency response across the vocal range for uncolored sound
  • Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application
  • Sleek, low-profile design for unobtrusive appearance
  • Balanced, transformerless output for increased immunity to noise over long cable runs
  • Specifications

    Specifications
    Polar Pattern Supercardioid
    Environmental Requirements Operating Temperature Range: -18° C to 57° C (0° F to 135° F)
    Relative Humidity: 0 to 95%
    Frequency Response 50 to 17,000 Hz
    Output Impedance (at 1000 Hz) Rated at 150 ohms (180 ohms actual)
    Open Circuit Sensitivity Omnidirectional -21.5 dB (81.4 mV)
    Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load) Supercardioid: 117.5 dB
    Signal to Noise Ratio (referenced at 94 dB SPL) 72.7 dB
    Equivalent Output Noise (A-weighted) 21.3 dB SPL
    Dynamic Range at 1 k ohm Load 96.2 dB
    Common Mode Rejection 45 dB minimum, 10 Hz to 100 kHz
    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 the preamplifier XLR output connector.
    Power Requirements 11 to 52 Vdc phantom
    2.0 mA current consumption
    Certification Eligible to bear CE Marking. Conforms to European EMC Directive 89/336/EEC. Meets applicable tests and performance criteria in European Standard EN55103 (1996) parts 1 and 2, for residential (E1) and light industrial (E2) environments.
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