Crown Audio 1160MA, 180MA 280MA operation manual Welcome, Features

Page 5

Commercial Audio Series Mixer-Amplifiers

180MA

*1 kHz

Power

Minimum guaranteed power

80W

into 4 ohms or 70V/100V output

*1 kHz Power: refers to maximum power in watts at 1 kHz with 0.5% THD.

280MA

*1 kHz

Power

Minimum guaranteed power

 

per channel into 4 ohms or

80W

70V/100V output

*1 kHz Power: refers to maximum power in watts at 1 kHz with 0.5% THD.

*1 kHz

1160MAPower

Minimum guaranteed power

into 4 ohms or 70V/100V output 160W

*1 kHz Power: refers to maximum power in watts at 1 kHz with 0.5% THD.

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

Operation Manual

page 5

Image 5 Crown Audio 1160MA, 180MA 280MA operation manual Welcome, Features
Contents Some models may be exported under the name Amcron 180MA280MA Use only with a cart, stand, tripod, bracket, or Important Safety InstructionsDeclaration of Conformity Safety StandardCrown International, Inc European Representative’s Name and AddressTable of Contents Welcome FeaturesOutput Volume Controls Input Volume ControlsOutput Signal Presence Indicator Clip IndicatorAuxiliary Power Input Back Panel Controls and Connectors Reset SwitchAmplifier Outputs Connectors Amp Config SwitchHow to Attach Rack Ears SetupInstallation Choose Output Wire and Connectors Choose Input Wire and ConnectorsOutputs Maintain proper polarity +/- on output con- nectors Wire Your SystemTypical input and output wiring is shown in Figure Link In/Out Switches Phantom PowerHow to link another mixer to your mixer-amplifier How to set up Music-On-Hold outputPowering Up Remote Volume ControlIncluded Accessories Optional AccessoriesCh 3 and Ch 4 similar to Ch Block DiagramNo input signal Input signal level is very low TroubleshootingSpecifications Service United States & Canada WarrantyWorldwide Except USA & Canada Items Excluded from this CROWN- WarrantyCrown Audio, Inc Model Serial #Fax Product purchased from *Business/Individual CountryThis page Intentionally Left Blank Model Payment OptionsIndividual or Business Name Phone # Fax # ‰ Personal/Consumer ‰ Business/CorporateCommercial Audio Series Mixer-Amplifiers Commercial Audio Series Mixer-Amplifiers

1160MA, 180MA 280MA specifications

Crown Audio, a leader in professional amplifier technology, has introduced a series of high-performance amplifiers that cater to a variety of applications. The 1160MA, 180MA, and 280MA models are designed to deliver exceptional sound quality, reliability, and efficiency, making them ideal for both commercial and residential audio installations.

The 1160MA is a versatile amplifier equipped with a powerful, high-efficiency Class D design that ensures maximum power output with minimal heat generation. Capable of delivering up to 1,160 watts per channel, this model is perfect for driving moderate-sized sound systems, whether in a church, auditorium, or live event. Its 70V and 100V compatibility allows for easy integration into existing audio setups, making it suitable for various applications.

The 180MA boasts a lower power output while retaining the same high-quality audio performance that Crown is renowned for. With 180 watts per channel, it is perfect for smaller installations where space and power consumption are considerations. This amplifier also features built-in processing capabilities, allowing users to fine-tune audio output to suit specific acoustic environments. Its compact design and robust construction make it a reliable choice for both permanent installations and portable setups.

The 280MA stands out with its increased power capacity, offering up to 280 watts per channel. It is designed to handle larger loads, making it ideal for venues that require robust sound reinforcement. Like its counterparts, the 280MA features advanced thermal management technology, ensuring reliable operation even during extended use. The inclusion of both analog and digital inputs provides versatility in connectivity, accommodating traditional audio systems alongside modern digital setups.

All three models share some key features, including an intuitive front-panel LCD for easy monitoring of performance metrics and settings. They also include comprehensive protection circuitry, safeguarding against over-voltage, over-current, and thermal overload, thereby ensuring long-term reliability.

In summary, the Crown Audio 1160MA, 180MA, and 280MA amplifiers excel in delivering high-fidelity audio across a range of applications. With their efficient Class D technology, advanced processing options, and robust construction, these amplifiers represent a union of power and flexibility, catering to audio professionals seeking performance and reliability in their sound systems.