Crown Audio M Series operation manual Table of Contents

Page 4

M Series Power Amplifiers

Table of Contents

Important Safety Instructions

2

4

Advanced Features and Options

14

Declaration of Conformity

3

 

4.1

Crown SST Modules

14

1 Welcome

5

 

4.2

Fault Monitoring

14

1.1

Features

5

 

4.3

Barrier Block Outputs

15

1.2

How to Use This Manual

5

 

4.4

Tamper-Resistant Hole Plugs

15

2 Setup

6

 

4.5

Optional 0.775-V Input Sensitivity Setting

15

2.1

Unpack Your Amplifier

6

5

Principles of Operation

16

2.2

Install Your Amplifier

6

6

Troubleshooting

18

2.3

Ensure Proper Cooling

6

7 Specifications

19

2.4

Choose Input Wire and Connectors

7

8

Service

21

2.5

Choose Output Wire and Connectors

7

 

8.1 International and Canada Service

21

2.6

Wire Your System

8

 

8.2 US Service

21

 

 

2.6.1 Stereo Mode

8

 

 

8.2.1 Service at a US Service Center

21

 

 

2.6.2 Bridge-Mono Mode

9

 

 

8.2.2 Factory Service

21

2.7

Connect to AC Mains

10

 

 

8.2.3 Factory Service Shipping Instructions

21

2.8

Startup Procedure

10

 

 

8.2.4 Packing Instructions

21

3 Operation

11

 

 

8.2.5 Estimate Approval

21

3.1

Precautions

11

 

 

8.2.6 Payment of Non-Warranty Repairs

21

3.2

Front Panel Controls and Indicators

13

9

Warranty

22

3.3

Back Panel Controls and Connectors

13

Crown Factory Service Information Form

25

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Operation Manual

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Contents M240 Some models may be exported under the name AmcronImportant Safety Instructions Importantes Instructions de SécuritéSafety Standard Declaration of ConformityCrown International, Inc European Representatives Name and AddressTable of Contents How to Use This Manual FeaturesWelcome Setup Install Your AmplifierUnpack Your Amplifier Ensure Proper CoolingChoose Output Wire and Connectors Choose Input Wire and ConnectorsDistance Wire Your System Stereo Mode How to Parallel the Inputs in Stereo ModeBridge-Mono Mode Typical input and output wiring is shownSet the Mode Switch to Bridge Inputs Use only the Channel-1 input connec- torStartup Procedure Connect to AC MainsPrecautions OperationCh-1 Level Control Ch-2 Level ControlFront Panel Controls Indicators Power Switch Reset SwitchPower Indicator Signal, Clip and Fault IndicatorsFault Monitoring Crown SST ModulesOptional Barrier Block Outputs Optional 0.775-V Input Sensi- tivity SettingTamper-Resistant Hole Plugs Principles of Operation Series AmplifierNeutrik Speakon connector. Both Channel Troubleshooting Condition Power indicator is offSpecifications KHz with 0.5% THDCrosstalk below rated power, 20 Hz to 20 kHz Common Mode Rejection CMR20 Hz to 1 kHzVoltage Gain at maximum level setting Ventilation Cooling Dimensions Weight Net ShippingService Warranty 12/01Worldwide Except USA & Canada This page Intentionally Left Blank Crown Audio Factory Service Information Series Power Amplifiers Series Power Amplifiers

M Series specifications

Crown Audio's M Series amplifiers are a renowned collection in the realm of professional audio equipment, recognized for their reliability, performance, and innovation. Designed specifically for commercial installations, the M Series provides powerful amplification with exceptional audio quality, making it a prime choice for venues such as auditoriums, churches, and theaters.

One of the standout features of the M Series is its high-efficiency Class D topology. This design not only reduces power consumption but also minimizes heat generation, which is crucial for long-term reliability and performance in demanding environments. The amplifiers are capable of delivering high output power while maintaining low distortion, ensuring that the audio experience remains clear and robust, even at high volumes.

The M Series amplifiers are equipped with a range of power options, ensuring that users can find a model that suits their specific needs. The lineup typically includes models ranging from 2-channel to 4-channel configurations, with power ratings suitable for various applications. This versatility allows for flexible setups, whether powering large PA systems or smaller setups for more intimate settings.

Integration with control systems is effortless, thanks to the M Series’ comprehensive connectivity options. The amplifiers feature XLR and TRS inputs, allowing for seamless integration with a wide array of audio sources. Their ability to be controlled remotely allows for convenient adjustments during live events or installations, further enhancing their usability.

The built-in DSP (Digital Signal Processing) is another critical highlight of the M Series. This technology provides users with significant control over the audio signal, enabling adjustments such as equalization, limiting, and crossover settings to fine-tune the sound output to perfection. The advanced protection circuitry ensures that the amplifiers remain safe from overheating and signal overloads, thus extending their lifespan and reliability.

Robust construction is a signature characteristic of the M Series, designed to withstand the rigors of professional use. The amplifiers feature a rugged chassis that can endure the demands of touring or permanent installations. Additionally, the fan-cooled design aids in maintaining optimal operating temperatures, ensuring performance consistency even during extended periods of use.

In conclusion, Crown Audio's M Series amplifiers combine power, efficiency, and cutting-edge technology to create an exceptional solution for professional audio applications. Whether used in concert halls, clubs, or corporate environments, the M Series continues to set a high standard for reliability and performance in the world of audio amplification.