Plug and connection assignment
XLR plug (balanced)
XLR plug (unbalanced)
54
Since the interference affects both cores equally, by subtracting the phase-shifted signals, the
interfering signal is completely neutralized. The result is a pure signal without any noise inter‐
ference.
1
Ground, shielding
2
Signal (in phase, +)
3
Signal (out of phase, –)
1
Ground, shielding
2
Signal
3
Bridged to pin 1
power amplifier