Crown 1160ma User Guide

Page of 24
Commercial Audio Series Mixer-Amplifiers
page 5
Operation Manual
1 Welcome
The Crown
®
 180MA, 280MA and 1160MA are 
high-value mixer-amplifiers for commercial 
and industrial audio. They provide 4-ohm and 
constant-voltage outputs (70V and 100V). The 
mixer-amps are part of Crown’s Commercial 
Audio Series, which also includes mixers and 
power amplifiers. These low-cost units provide 
all necessary features in a simple building-
block format. 
1.1 Features
• 4 to 8 inputs, 1 to 2 amplifier output chan-
nels
• Ideal for commercial and industrial use
• Expandable by adding Crown Commercial 
Audio mixers or Commercial Audio power 
amplifiers (when available)
• Balanced Phoenix-type mic/line inputs; 
touch-proofed screw-terminal speaker outputs
• Independent Bass and Treble controls on 
each input
• Any input can be sent to any output
• Priority muting
• Advanced protection system includes output 
current limiting, DC protection, circuit breaker/
fuse, and thermal protection. Details available 
online at www.crownaudio.com.
• Three-Year, No-Fault, Fully Transferable 
Warranty completely protects your investment 
and guarantees its specifications 
1 kHz 
Power
80W
Minimum guaranteed power 
into 4 ohms or 70V/100V output
180MA
*1 kHz Power: refers to maximum power in watts at 
1 kHz with 0.5% THD.
*
1 kHz 
Power
160W
Minimum guaranteed power 
into 4 ohms or 70V/100V output
1160MA
*1 kHz Power: refers to maximum power in watts at 
1 kHz with 0.5% THD.
*
1 kHz 
Power
80W
Minimum guaranteed power 
per channel into 4 ohms or 
70V/100V output
280MA
*1 kHz Power: refers to maximum power in watts at 
1 kHz with 0.5% THD.
*