Crown Audio Commercial Audio Series (180A-280A-660A-1160A) - Manual (Page 11)

Commercial Audio Series Amplifiers
page 11 Operation Manual
2.5 Wire Your System
Typical input and output wiring for the 180A, 280A and
1160A is shown in Figure 2.7. See Figure 2.8 for 660A
wiring.
INPUTS: Connect balanced line-level sources to amplifier
balanced inputs.
OUTPUTS: Maintain proper polarity (+/–) on output con-
nectors.
For each amplifier channel, connect the Amplifier Output
screw terminals to the loudspeaker loads. Use terminals
marked COM and 4 OHMS for a 4-ohm loudspeaker load,
or use terminals marked COM and 70V or 100V for con-
stant-voltage loudspeaker loads.
Connect the COM terminal to speaker negative (–) lead;
connect one of the other terminals to speaker positive (+)
lead.
NOTE: Crown provides a reference of wiring pin assign-
ments for commonly used connector types in the Crown
Amplifier Application Guide available at www.crownaudio.
2 Setup
Figure 2.7 Input and Output Wiring
1-VCAP
Ceiling Speakers
Mixer