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Shure Microflex Boundary Supercardioid Microphone MX391/S
|Shure Microflex Boundary Supercardioid Microphone MX391/S|
|Camcor Item No.||136017081|
|Mfg. Part No.||MX391/S|
Today's Date: June 5, 2020
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.
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
||Operating Temperature Range: -18° C to 57° C (0° F to 135° F)
Relative Humidity: 0 to 95%
||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)
|Equivalent Output Noise (A-weighted)
||21.3 dB SPL
|Dynamic Range at 1 k ohm Load
|Common Mode Rejection
||45 dB minimum, 10 Hz to 100 kHz
|Preamplifier Output Clipping Level
||6 dBV (0.5 V)
||Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of the preamplifier XLR output connector.
||11 to 52 Vdc phantom
2.0 mA current consumption
||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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