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line, the signal is present in phase at the tip, as in
the case of an unbalanced signal line (XLR Pin 2).
The second signal conductor carries the same sig-
nal, but with the opposite polarity or mirror-image
phase (Ring, XLR Pin 3). The third conductor is the
screening, and again constitutes the signal ground
(Sleeve, XLR Pin 1).
Lehle Little Dual as tuner-mute-box
(1 instrument, 1 amplifier and 1 tuner)
In smaller setups with only 1 guitar and 1 ampli-
fier the Lehle Little Dual can also be helpful to
mute the signal for tuning in case you would like
to keep it silent for the audience or your fellow
Jack XLR
Ground Sleeve Pin 1
Signal in mirrored Phase Ring Pin 3
Signal in Phase Tip pin 2