INSTALL MICROPHONES
General Microphone Characteristics
All Plixus compatible units have a screw-lock connector to insert pluggable microphones.
The recommended speaking distance from the mouth to the top of the microphone is between 20 to 40 cm.
In order to accommodate the variety of speakers and speaking distances, microphones are available in
three different lengths: 30 cm (D-MIC30SL), 40 cm (D-MIC30SL) and 50 cm (D-MIC50SL).
Technical Microphone Characteristics
Parameter
Specifications
Material
Brass
Color
Matt black, RAL 9011
Transducer principle
Back electret (condenser)
Operating principle
Pressure gradient
Polar pattern
Unidirectional
Nominal conditions
Bias resistor = 1k2
Vdd = 3.3 VDC
SPL = 1 Pa
Max SPL @ 1 kHz
110 dB SPL (1% THD+N)
Signal to noise ratio
> 67 dB(A)
Free field sensitivity
9.4 mV/Pa ± 3dB @ 1 kHz or
-40.5 dB, 0 dB = 1V/Pa @ 1 KHz
Power supply
3.3 VDC, 0.5 mA
Consumption
0.5 mA (without LED ring)
Max. 25 mA (with LED ring)
Connection
Screw lock
INSTAL L MICR O PHO NES
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