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REFERENCE
Connections - Balanced and Unbalanced
There are two basic types of audio system interconnections for audio signals: Balanced and
Unbalanced. Your EON15 G2 can accept either type of input.
Balanced Lines
In audio, a balanced line is a three-conductor system in which the two signal wires carry an equal,
but opposite voltage with respect to the ground wire. The ground wire acts only as a shield and
does not carry any audio signal current. Outside interference (such as RFI - Radio Frequency
Interference) is either shielded from the internal signal conductor, or if it gets into the cable is
cancelled out by the opposite signals at the receiving end. Balanced connections are preferred for
any longer cable runs.
Unbalanced Lines
Unbalanced cable is a two-wire system where the shield (ground wire) acts as one of the current
carrying signal conductors. The center conductor enclosed by the shield is commonly known as
the “hot” conductor. Unbalanced audio cables do not reject noise as well as balanced lines.
Unbalanced lines are typical in home hi-fi type systems and on the outputs of electronic musical
instruments. These work well if the distance between the components is short, the signal level is
relatively high and all of the electronics used in the system are plugged into the same AC service.
Unbalanced Sour
ces to EON Powered Loudspeakers
If you need to connect your EON speakers to an unbalanced source you have two options:
• Use the LINE 2 and LINE 3 connectors. These inputs are balanced but will accept unbalanced
inputs without the need for any special adapters.
• Use an adapter or special cable (see Section 18 “Cables and Connectors”)
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