Filter
Top Products
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
• Built-in four-tone generator
• 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.
*