The following description shows the balanced analog audio output connection to external unbalanced and/or stereo audio devices.
An unbalanced source can be a chinch or a jack plug.
In some cases ground loops can generate humming noise. In this case use audio transformer to electrically isolate the digital audio matrix from the external device.
Connect | To |
---|---|
Unbalanced analog audio device | Balanced analog audio output |
GND | 'Audio out –' (3) and GND (2) |
'Signal' | 'Audio out +' (1) |
Connect | To |
---|---|
Unbalanced analog audio stereo device | Balanced analog audio output |
GND | 'Audio out –' (3) and GND (2) |
Signal ‘R+' and signal 'L+' in parallel | 'Audio out +' (1) |
Connect | To |
---|---|
Balanced analog audio stereo device | Balanced analog audio output |
GND R and GND L in parallel | GND (2) |
Signal ‘R-' and signal 'L-' in parallel | 'Audio out -' (3) |
Signal ‘R+' and signal 'L+' in parallel | 'Audio out +' (1) |