Echo Audio LAYLA LapTop, Руководство пользователя

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Connecting to Layla’s Rack-mount Interface
The back panel of Layla’s rack-mount interface contains a wide variety of
connections that allow great flexibility in the operation of Layla. To achieve
the optimal performance with Layla, it is critical that the appropriate cabling
and connectors are used.
Analog Inputs and Outputs
Layla has eight analog inputs and ten analog outputs on the back panel, as
well as two inputs on the front (the two inputs on the front are alternate
connectors for channels 7 and 8 on the back of Layla. When you plug into
the front panel inputs, the corresponding back panel inputs are disabled).
These connections can accept balanced or unbalanced signals.
An unbalanced signal contains two components, a ground signal and a “hot”
or active signal. A balanced signal contains these two components with the
addition of a second active channel that is 180 degrees out of phase from the
primary signal. In this way, a balanced signal can eliminate any noise that
may be introduced into the audio signal during transmission. The connectors
used for the analog inputs and outputs on Layla are TRS (tip, ring sleeve).
The three sections of a TRS connector are used to transmit the three
components of a balanced signal. Layla will also accommodate the two
conductor unbalanced style connector.