When a signal is run through a length of cable, the resistance of the cable results in a loss of signal. Line loss is the amount the signal is attenuated by this resistance. Cables that are very long or too small a gauge exhibit measurable and detrimental line loss.

Source: [http://www.allchurchsound.com/ACS/glossary/index.html Church Audio & Acoustics Glossary] [[Category: Acoustics]]