Many thanks for your help guys.
As arcaxis mentionned it, i made a confusion between balanced and stereo connection.
Mackie documentation is not very clear (for me) and my lack of knowledge put me on error.
Found this tutoriel for the soldering with a 3.5mm stereo jack which is the same if I...
Hello guys,
I'm trying to connect the monitor out of my Behringer X1222 (which is unbalanced) to the input of a Mackie HM-4 Headphone amplifier (which accepts both balanced and unbalanced signals).
I thought that an unbalanced signal would be converted in a balanced signal by the HM4, but it is...