Crown Audio 133472-1A manual Introduction

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Introduction

This application guide provides useful information designed to help you best use your new Crown® ampliﬁ er. It is designed to complement your ampliﬁ er’s Operation Manual, which describes the speciﬁ c features and speciﬁ cations of your ampliﬁ er. Helpful guides and tips on subjects such as system wiring and system gain structure, for example, should be helpful to you whether you are a beginner or a seasoned professional. You can choose to read this guide from cover to cover, or if you are already familiar with Crown amps, you can jump to speciﬁ c sections as needed. A glossary of terms and list of suggested publications for further reading are also provided for your convenience.

Please be sure to read all instructions, warnings and cautions.

For your protection, please send in the warranty registration card today. And save your bill of sale—it’s your ofﬁ cial proof of purchase.

Ampliﬁer Application Guide

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Contents Ampliﬁer Application Guide Important Safety Instructions Crown Technical Support GroupTable of Contents Introduction Chapter Rack CoolingThis Chapter Fan-Assisted ModelsConvection-Only Models System Wiring Input WiringInput Connector Wiring Balanced, Grounded SourceUnbalanced, Grounded Source Twin-Lead Shielded Cable Unbalanced, Floating Source Twin-Lead Shielded CableRadio Frequencies RF Solving Input ProblemsHum and Buzz Output Wiring Output Connector WiringBalanced vs. Unbalanced Way Binding PostBarrier Block Output Wiring TipsNeutrik Speakon Connector Assembly Insert into Connector Housing Ampliﬁer Load Impedance Connecting the Speakon plug to the mating connectorParallel Speaker Impedances Parallel Impedances Determining Appropriate Speaker Wire Gauge Loudspeaker ProtectionHigh-Frequency Oscillations Solving Output ProblemsLoudspeaker Fuse Nomograph Distributed Speaker Systems Sub-Sonic CurrentsUsing Low-Impedance What is Constant Voltage?Multi-way Systems With Expansion Modules Active vs. Passive Crossover NetworksCrown Ampliﬁers In-Depth Fault Status External Circuit Design Fault Monitoring SettingRJ Jack Wiring and Pin Assignments Optimal System Headrom System GainSystem Levels Ampliﬁer LevelTroubleshooting No Power No PowerNo Sound No SoundBad Sound Amp OverheatingBCA EMI Fault Equalization EQFader FrequencyIOC OdepPIP PIP2THX Audio Systems Technology, Level AppendixHandbook for Sound Engineers The New Audio Cyclope- dia Items Excluded from this Crown Warranty HOW to Obtain Warranty ServiceWhat the Warrantor will do Disclaimer of Consequential & Incidental DamagesFull Warranty Three Year

133472-1A specifications

Crown Audio 133472-1A is a sophisticated and highly regarded power amplifier designed for professional audio applications. Known for its reliability and high performance, the 133472-1A is favored by sound engineers, musicians, and event organizers who seek exceptional audio clarity and robust amplification.

One of the standout features of the Crown Audio 133472-1A is its impressive power output. This amplifier is capable of delivering substantial wattage, ensuring that it can effortlessly drive a variety of loudspeaker systems without distortion, even at high volumes. This makes it particularly suitable for large venues, concerts, and public gatherings where sound coverage is critical.

The 133472-1A utilizes advanced technologies to enhance its performance. For instance, it incorporates a patented output stage design that minimizes distortion, allowing for a cleaner and more accurate sound reproduction. This is especially important in professional audio environments where audio fidelity is paramount. Additionally, the amplifier features sophisticated thermal management systems that prevent overheating, ensuring reliable operation during extended use.

Another key characteristic of the Crown 133472-1A is its versatility. It is engineered to work seamlessly with a range of audio sources, making it an ideal choice for various applications, including live performances, installations, and broadcasting. Its multiple input options, including XLR and TRS connectors, allow for flexible connectivity options, accommodating various audio setups.

Durability is also a significant aspect of the Crown Audio 133472-1A. Constructed with high-quality materials and robust components, this amplifier is built to withstand the rigors of professional use. Its rugged chassis design provides added protection, making it suitable for both touring and fixed installations.

Furthermore, the Crown 133472-1A offers user-friendly features such as intuitive controls and indicators, allowing users to monitor performance easily. This includes LED status indicators that provide real-time feedback on operation, making it simple to troubleshoot any issues.

In summary, the Crown Audio 133472-1A is a powerhouse amplifier that combines high output, advanced technologies, and durable construction. Its versatility makes it a preferred choice for professionals seeking reliable and superior audio performance in live and installed environments. Whether for music events, speeches, or any high-stakes audio requirements, the 133472-1A delivers the quality and performance essential for exceptional sound.