U

 

Unbalanced
This is an audio connection that uses two wires. One wire carries the signal while the other wire is used as the return. This type of connection is particularly vulnerable to noise and interference, particularly with longer cable lengths.

As the two signal leads are not of equal potential difference from the reference ground signal they are considered to be ‘Unbalanced’ with respect to the ground signal.

Uni-directional
See Cardioid.

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'Punk rock' is a word used by dilettantes and heartless manipulators about music that takes up the energies, the bodies, the hearts, the souls, the time and the minds of young men who give everything they have to it.”
  Iggy Pop