Crown Audio D-45, D-75A operation manual Some models may be exported under the name Amcron

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D Series

 

30

CHANNEL 1

CHANNEL 2

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OFF

ON

 

 

 

 

40

20

 

40

20

 

 

50

10

 

50

10

 

 

 

0

IOC

 

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HEADPHONES

LEVEL

SIGNAL

LEVEL

 

 

POWER

Operation Manual

D-45

D-75A

Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.

This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may arise during installation, operation or maintenance.

The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.

Trademark Notice: Crown, Amcron and IOC are registered trademarks of Crown International. Other trademarks are the property of their respective owners.

Some models may be exported under the name Amcron.®

©2003 by Crown Audio Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000

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Contents Some models may be exported under the name Amcron 75ASeries amplifiers require Class 2 output wiring Important Safety InstructionsWatch for These Symbols Use only with a cart, stand, bracket, or tableDeclaration of Conformity Safety StandardCrown International, Inc European Representative’s Name and AddressTable of Contents How to Use This Manual FeaturesWelcome Detented level controls for precise repeat- abilityUnpack Your Amplifier Install Your Amplifier SetupManual Choose Output Wire and Connectors Choose Input Wire ConnectorsCrown recommends using professionally con- structed, high Bridge-Mono Mode Wire Your System Dual ModeInputs Connect input wiring only to CH Startup Procedure AC Mains Voltage Configura TionConnect to AC Mains Turn up the level of your audio source to an optimum levelOperation PrecautionsFront and Back Views Controls, Indicators and Con- nectorsFuse Replacement IndicatorsControls Options Bridge-Mono Option ProtectionInput-Sensitivity Option Condition Power indicator is off TroubleshootingSpecifications Bridge-Mono 105 145 KHz 20 Hz 50 Hz DualKHz 50 Hz KHz 20 Hz Dual 120Service Warranty Worldwide Except USA & Canada Items Excluded from this CROWN- WarrantySeries Power Amplifiers Nature of Problem Crown Factory Service InformationThis page Intentionally Left Blank Series Power Amplifiers

D-45, D-75A specifications

Crown Audio has earned its reputation as a leader in professional audio solutions, with a commitment to delivering high-quality amplifier technology that meets the demands of audio professionals across various applications. Two notable models in their lineup are the Crown D-75A and D-45, both of which embody unique features that are tailored for versatility and superior performance.

The Crown D-75A is a high-performance power amplifier designed for applications where exceptional sound quality is essential. With an output power of 75 watts per channel into 8 ohms, this amplifier is capable of driving a wide range of loudspeakers, making it an excellent choice for installations in commercial venues or high-end residential systems. One of its standout features is the ability to operate in both stereo and bridged mono modes, allowing for flexible configuration options. The D-75A also incorporates Crown’s patented Class I technology, which enables it to maintain high efficiency while minimizing distortion and heat generation.

On the other hand, the Crown D-45 offers a slightly lower output power, rated at 45 watts per channel into 8 ohms. Despite its smaller size, the D-45 packs a punch with its robust performance and advanced technologies. This amplifier is well-suited for smaller venues or as a part of an audio system where space is a concern. Just like the D-75A, the D-45 features the ability to run in stereo or bridged mono modes, providing users with flexibility in setup.

Both amplifiers incorporate user-friendly front-panel controls, including level adjustments and power indicators, allowing for easy operation and monitoring. Furthermore, they are engineered with short-circuit and thermal overload protection, ensuring longevity and reliability in demanding environments.

In terms of connectivity, the D-75A and D-45 come equipped with professional-grade XLR and RCA input options, facilitating seamless integration into various audio systems. Their durable construction is designed to withstand the rigors of professional use, while also being aesthetically pleasing for any installation.

In conclusion, the Crown Audio D-75A and D-45 amplify the brand’s commitment to quality and innovation, providing professionals with dependable solutions that do not compromise on sound fidelity. Whether for a small venue or a large installation, these amplifiers deliver the performance and features audio engineers seek, making them an excellent choice in the competitive world of sound reinforcement.