Harley Benton HB-40R User Manual page 22

Plug and connection assignment
1/4" TS phone plug (mono,
unbalanced)
Three-pole 1/8" mini phone jack
(stereo, unbalanced)
22
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
2 Ground, shielding
1 Signal (left)
2 Signal (right)
3 Ground, shielding
guitar combo