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Crown 1160a User Guide

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Commercial Audio Series Amplifiers
page 7
Operation Manual
1 Welcome
Figure 1.2  Back Panel Controls and Connectors
                             (280A shown)
J. Amp Input Connector
3-pin Phoenix-type, high-impedance balanced, one per ampli-
fier channel. 
K. Line Out Connector
One 3-pin balanced Phoenix-type connector per output channel. 
Level controlled by master volume control.
L. Output VCA Connector
4-pin Phoenix-type connector for two VCA control lines of +10 
VDC and ground. Compatible with Crown 1-VCAP and 4-VCAP 
modules.
M. AC Power Inlet
Detachable IEC.
1.3  280A Back Panel Controls and Connectors 
(180A and 1160A are fairly similar. See next 
page for 660A).
G. Reset Switch
Resets the circuit breaker that protects the power supply. 220/
230/240V units have a fuse instead.
H. Auxiliary Power Input
2-position terminal strip for 24 VDC (±10%) backup power. 
Accepts up to 10 AWG terminal forks. NOTE: To prevent a spark 
when attaching a battery, have unit turned on and connected to 
the mains supply.
I. Amplifier Outputs Connectors
One per channel, 4-position terminal strip with COM (Com-
mon), 4 ohms, 70V and 100V terminals. Accepts up to 10 AWG 
terminal forks. Non-touch cover included.