Crown Audio 280MA, 180MA operation manual Table of Contents

Page 4

Commercial Audio Series Mixer-Amplifiers

Table of Contents

Important Safety Instructions

2

 

2.12

Powering Up

12

Declaration of Conformity

3

 

2.13

Included Accessories

12

1 Welcome

5

 

2.14

Optional Accessories

12

1.1

Features

5

 

2.15

Block Diagram

13

1.2

Front Panel Controls and Indicators

6

3

Troubleshooting

14

1.3

Back Panel Controls and Connectors

7

4

Specifications

15

2 Setup

8

5

Service

16

2.1

Installation

8

 

5.1 Worldwide Service

16

2.2

How to Attach Rack Ears

8

 

5.2 US and Canada Service

16

2.3

Choose Input Wire and Connectors

9

 

5.2.1 Service at a US or Canada Service Center

16

2.4

Choose Output Wire and Connectors

9

 

5.2.2 Factory Service

16

2.5

Wire Your System

10

 

5.2.3 Factory Service Shipping Instructions

16

2.6

Input Routing

11

 

5.2.4 Packing Instructions

16

2.7

Phantom Power

11

 

5.2.5 Estimate Approval

16

2.8

Priority Muting

11

 

5.2.6 Payment of Non-Warranty Repairs

16

2.9

Link In/Out Switches

11

6

Warranty

17

2.10 Remote Volume Control

12

Crown Factory Service Information Form

19

2.11 Four-Tone Generator

12

 

 

 

 

page 4

Operation Manual

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Contents 280MA 180MASome models may be exported under the name Amcron Important Safety Instructions Use only with a cart, stand, tripod, bracket, orSafety Standard Declaration of ConformityCrown International, Inc European Representative’s Name and AddressTable of Contents Features WelcomeInput Volume Controls Output Volume ControlsOutput Signal Presence Indicator Clip IndicatorBack Panel Controls and Connectors Reset Switch Auxiliary Power InputAmplifier Outputs Connectors Amp Config SwitchInstallation SetupHow to Attach Rack Ears Choose Input Wire and Connectors Choose Output Wire and ConnectorsTypical input and output wiring is shown in Figure Wire Your SystemOutputs Maintain proper polarity +/- on output con- nectors Phantom Power Link In/Out SwitchesHow to link another mixer to your mixer-amplifier How to set up Music-On-Hold outputRemote Volume Control Powering UpIncluded Accessories Optional AccessoriesBlock Diagram 280MA Block DiagramTroubleshooting No input signal Input signal level is very lowSpecifications Service Warranty 12/01Worldwide Except USA & Canada City State/Prov Postal Code Country Credit card informationType of credit card MasterCard Personal/Consumer Visa

180MA, 280MA specifications

Crown Audio has established itself as a leader in the professional audio industry, and its 280MA and 180MA models epitomize its commitment to high-quality sound reinforcement. These amplifiers are designed for a range of applications, including commercial audio, live sound, and installation, providing unmatched performance and reliability.

The Crown 280MA is a robust two-channel amplifier that delivers an impressive power output of 280 watts per channel at 4 ohms. Its engineering focuses on efficiency and clarity, making it an excellent choice for any scenario where quality audio is essential. One of its standout features is the built-in mixer, which allows users to connect multiple audio sources seamlessly. This mixing capability is especially beneficial in environments such as restaurants, schools, and places of worship, where different audio sources may need to be balanced and controlled easily.

On the other hand, the Crown 180MA offers a more compact design but does not compromise on performance. With a power output of 180 watts per channel at 4 ohms, this model is perfect for smaller venues or setups. Like the 280MA, the 180MA also includes a built-in mixer, ensuring versatile audio management. Both models feature a streamlined user interface, enabling intuitive operation and quick adjustments.

Both amplifiers incorporate advanced technology such as Crown's proprietary DriveCore technology, which enhances power efficiency while reducing distortion. This technology allows the amplifiers to deliver clean, transparent power without the weight typically associated with traditional designs. The lightweight nature of both models makes installation and transport straightforward, adding to their practicality for sound engineers and event organizers.

The overall construction of the 280MA and 180MA is rugged, built to withstand the rigors of professional use. Features such as short-circuit protection, thermal protection, and overload protection ensure long-term reliability, even in demanding environments. Furthermore, the amplifiers offer flexible input options, including line-level and microphone inputs, allowing users to connect various audio sources without hassle.

In conclusion, the Crown 280MA and 180MA amplifiers represent a perfect blend of power, efficiency, and advanced technology. Their built-in mixers, robust protection features, and lightweight designs make them highly versatile for a wide array of applications. Whether used in commercial settings or live sound environments, these amplifiers ensure that the audio experience remains top-notch, reinforcing Crown Audio's reputation as an industry leader.