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
Signal (in phase, +)
2
Signal (out of phase, –)
3
Ground
1/4" TRS phone plug (mono, bal‐
anced)
Plug and connection assignment
DR-1
35