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Choose Input Wire and Connectors
Crown recommends using pre-built or professionally wired, balanced line (two-conductor plus shield), 22-24 gauge cables
and connectors. Use 3-pin male XLR connectors. Unbalanced line may also be used but may result in noise over long cable
runs.
Figure 1 shows connector pin assignments for balanced analog wiring or AES/EBU digital wiring. The use of standard analog
cable with AES/EBU will result in diminished performance. For best results, 110 ohm shielded twisted-pair cable for AES/EBU
signals is highly recommended. Figure 2 shows connector pin assignments for unbalanced analog wiring.
NOTE: Custom wiring should only be performed by qualified personnel.
Choose Output Wire and Connectors
Crown recommends using pre-built or professionally wired, high-quality, two- or four-conductor, heavy gauge speaker wire
and connectors. Use Class 2 output wiring. You may use a 4-pole Speakon
lugs, or bare wire for your output connectors (Figure 4). To prevent the possibility of short circuits, wrap or otherwise insulate
exposed loudspeaker cable connectors.
CAUTION – SHOCK HAZARD: Potentially lethal voltages exist at the output connectors when the amplifier is
turned on and is passing a signal.
Using the guidelines below, select the appropriate size of wire based on the distance from amplifier to speaker.
CAUTION: Never use shielded cable for output wiring.
connector (Figure 3) or banana plugs, spade
®
Distance
Wire Size
up to 25 ft.
16 AWG
26-40 ft.
14 AWG
41-60 ft.
12 AWG
61-100 ft.
10 AWG
101-150 ft.
8 AWG
151-250 ft.
6 AWG
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