Recommended Input Connection Configurations - Intelix Psychologist User Manual

Recommended Input Connection Configurations

The audio input to the Matrix can be either electronically balanced (impedance of 20kΩ), or it can be
unbalanced (impedance of 10kΩ) by the user. The connection configurations shown below are all possible.
Choose the configuration that best fits your needs.
pin 1
pin 2
pin 3
+
pin 1
pin 2
pin 3
+
pin 1
pin 2
pin 3
+
pin 1
pin 2
-
pin 3
+
Psychologist Mixer User Manual
-
-
+
+
-
-
+
+
-
-
+
+
-
-
+
+
Psychologist Mixer User Manual
Ground
Minus (–)
Plus (+)
Type: isolated ground (unbalanced)
Gain: unity
Property: ground currents and induced
noise rejected from signal
Type: common ground (unbalanced)
Gain: +6 dB
Property: slight gain boost; possible ground
noise in signal
Type: common ground (unbalanced)
Gain: unity
Property: possible ground noise in signal
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