MX396 Microflex Multi-Element Boundary Microphone

The Microflex® Multi-Element Boundary microphone delivers a unique and versatile tool for conference room installations. Clean and simple in appearance, Multi-Element Boundary mics come in two or three element configurations, combining the coverage of multiple microphones into one small, compact package.

Multi-Element Boundary mics come in two or three element configurations, combining the coverage of multiple microphones into one small, compact package.
  • End of table (300°), center of table (360°), or cross table (bidirectional) coverage patterns
  • Individual audio output for each element
  • Bi-color status indicator
  • Programmable mute switch
  • Logic input/output for remote LED and mute control
  • CommShield Technology

 

Multi-Element Boundary Microphone Models 
MX396C/DUAL Dual-Element 0-180 Degrees, Cardioid, back or bottom exit cable, mute output, LED input
MX396C/TRI Tri-Element 90-0-90 mic, adjustable to 120-120-120 degrees, Cardioid, back or bottom exit cable, mute output, LED input

Type
Condenser (electret bias)


Frequency Response
50–17000 Hz

 

 

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Polar Pattern
MX396/C-DUAL: 2 x Cardioid
MX396/C-TRI: 3 x Cardioid


Output Impedance
EIA Rated at 150 Ω (170 Ω actual)


Output Configuration
Active balanced


Sensitivity (at 1 kHz , open circuit voltage)
–35 dBV/Pa (18 mV)
1 Pascal=94 dB SPL


Maximum SPL (1 kHz at 1% THD, 1 kΩ load)
122 dB


Equivalent Output Noise (A-weighted)
28 dB SPL


Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
66 dB


Dynamic Range (1 kΩ load at 1 kHz)
94 dB


Common Mode Rejection (10 Hz to 100 kHz)
45 dB minimum


Preamplifier Output Clipping Level (1% THD)
–7 dBV (0.5 V)


Weight
Net: 0.587 kg (1.29 lbs.)
Packaged: 0.916 kg (2.02 lbs.)


Logic Connections
LED IN: Active low (≤1.0V), TTL compatible. Absolute maximum
voltage: -0.7V to 50V.
LOGIC OUT: Active low (≤1.0V), sinks up to 20mA, TTL compatible.
Absolute maximum voltage: -0.7V to 50V (up to 50V through 3kΩ).


Mute Switch Attenuation
–50 dB minimum


Cable
6.1 m (20 ft) attached unterminated cable with three shielded audio
pairs and three shielded conductors for logic control.


Environmental Conditions
Operating Temperature: -18–57 °C (0–135 °F)
Storage Temperature: -29–74 °C (-20–165 °F)
Relative Humidity: 0–95%

Power Requirements
MX396/C-DUAL: 48–52 Vdc phantom, 10.0 mA
MX396/C-TRI: 48–52 Vdc phantom, 12.0 mA


Release 38