Microflex Series Compact Boundary Microphone with On/Off Switch (Supercardioid)
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SHU-MX393
Shure Incorporated
Mac & Win
Low Stock Call for Availability
Availability: In stock
As low as $242.00

The MX393 is a surface-mount condenser boundary microphone designed for boardrooms, alters, and conference room tables. It features a silent programmable membrane switch, interchangeable cartridge, logic input/output, LED indicators, and miniature three pin connector. Available with cardioid, supercardioid, or omnidirectional cartridges.

Programmable membrane on/off switch plus LED on/off indicator

Balanced, transformerless output for increased immunity to noise over long cable runs

Sleek, low-profile design for unobtrusive appearance

Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application

Flat frequency response across the vocal range for uncolored sound

Frequency Response

50 to 17,000 Hz

 

Polar Pattern

Omnidirectional

 

Output Impedance

EIA Rated at 150 ohms (180 ohms actual)

 

Sensitivity (at 1 kHz, open circuit voltage)

Omnidirectional: -22.0 dBV/Pa (79.4 mV)

1 Pascal=94 dB SPL

 

Maximum Sound Pressure Level (1 kHz at 1% Total HarmonicDistortion, 1 k ohm load)

Omnidirectional: 111.5 dB

 

Signal to Noise Ratio (referenced at 94 dB SPL)

Omnidirectional: 76.5 dB

 

Equivalent Output Noise (A-weighted)

Omnidirectional: 17.5 dB SPL

 

Dynamic Range

94.0 dB

 

Common Mode Rejection

45 dB minimum, 10 Hz to 100 kHz

 

Switch Attenuation

50 dB minimum

 

Preamplifier Output Clipping Level

-6 dBV (0.5 V)

 

Polarity

Positive sound pressure on diaphragm produces positivevoltage on pin 2 relative to pin 3 of output connector.

 

Power Requirements

11 to 52 Vdc phantom

2.0 mA current consumption

 

Environmental Requirements

Operating Temperature Range: -18 to 57 degrees C (0 to 135degrees F)

Relative Humidity: 0 to 95%

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