Harman JBL Commercial VMA Series - Output Wiring & Connectors

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2.5 Output Wiring & Connectors
To drive distributed speaker systems designed to operate at 70V or 100V, connect to
the corresponding output terminals.
JBL recommends using pre-built or professionally wired, high-quality, two-conductor,
heavy gauge speaker wire. Speaker wires should be twisted cable, if possible. To
prevent the possibility of short-circuits, the wires should be stripped back no greater
than 6 mm (1/4 inch), see Figure 2.5.1.
Suggested below are guidelines to select the appropriate size of wire based on the
distance from amplier to speaker. Check with local code as this may vary.
Distance Wire Size
Up to 25 ft. (7.6m) 16AWG
26-40 ft. (7.9-12.2m) 14AWG
8 Ohm Speaker 100V Speaker System70V Speaker System
Figure 2.5.1 Output Wiring