JBL CSM 14 - Wiring and Connectivity; Input and Output Wiring

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2.3 Choosing Wire and Connectors
We recommend using pre-built or professionally wired balanced line (two-conductor
plus shield) 22-24 gauge cables to connect the balanced input by using the includ-
ed Euroblock connectors, see Figure 2.3. Unbalanced lines may be used, but may
result in hum or RF noise very long cable runs.
You can also use RCA connectors to connect audio devices, for example, CD/DVD
player. However, do not use both Euroblock and RCA audio input connectors on a
single channel at the same time.
NOTE: Custom wiring should only be performed by qualified personnel.
MONO SUM
AUDIO
SOURCE
AUDIO
SOURCE
AUDIO
SOURCE
AUDIO
SOURCE
AUDIO
OUTPUT
OUTPUT
CONNECTOR
INPUT CONNECTOR
Figure 2.3 Input and Output Wiring
Note: Two RCA connectors are provided for summing left and right channels from a
stereo source. Do not use both Euroblock and RCA connectors concurrently for any
single input channel.