Crown Audio 133472-1A manual Rack Cooling, This Chapter, Fan-Assisted Models

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Chapter 1: Crown Amplifiers In-Depth

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Chapter 1

Crown Amplifiers In-Depth

In This Chapter

•Rack Cooling

•System Wiring

•Amplifi er Load Impedance

•Multi-Way Systems

•Distributed Speaker Systems

•Setting System Gain Structure

This chapter provides information to help you get optimum performance from your Crown amplifi er. It is a collection of techniques that can help you avoid many of the common problems that plague sound systems. For

further study on many of these topics, refer to the recommended publications listed in the Appendix.

Figure 1.1

Top View of Rack- Mounted Amplifier with Side Vents

1.1 Rack Cooling

When installing your Crown amp in a rack, you should take steps to make sure that the temperature of the rack stays in a safe range. Crown amps with fan-assisted cooling and convection-only cooling may require different tech-

niques for best performance. When designing your rack

cooling system, you should

consider the requirements for all mounted components.

1.1.1 Fan-Assisted

Models

If your Crown amplifi er uses fan-assisted cooling, make sure that the front vents and/ or fi lters are never blocked, and that the exhaust fan (vented out the back or

Amplifier Application Guide

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Contents Amplifier Application Guide Crown Technical Support Group Important Safety InstructionsTable of Contents Introduction Rack Cooling ChapterThis Chapter Fan-Assisted ModelsConvection-Only Models Input Wiring System WiringInput Connector Wiring Balanced, Grounded SourceUnbalanced, Floating Source Twin-Lead Shielded Cable Unbalanced, Grounded Source Twin-Lead Shielded CableHum and Buzz Solving Input ProblemsRadio Frequencies RF Output Connector Wiring Output WiringBalanced vs. Unbalanced Way Binding PostNeutrik Speakon Output Wiring TipsBarrier Block Connector Assembly Insert into Connector Housing Parallel Speaker Impedances Connecting the Speakon plug to the mating connectorAmplifier Load Impedance Parallel Impedances Loudspeaker Protection Determining Appropriate Speaker Wire GaugeLoudspeaker Fuse Nomograph Solving Output ProblemsHigh-Frequency Oscillations Sub-Sonic Currents Distributed Speaker SystemsWhat is Constant Voltage? Using Low-ImpedanceMulti-way Systems With Expansion Modules Active vs. Passive Crossover NetworksCrown Amplifiers In-Depth Fault Status External Circuit Design Setting Fault MonitoringRJ Jack Wiring and Pin Assignments Optimal System Headrom System GainAmplifier Level System LevelsTroubleshooting No Power No PowerNo Sound No SoundAmp Overheating Bad SoundBCA EMI Equalization EQ FaultFader FrequencyOdep IOCPIP2 PIPTHX Handbook for Sound Engineers The New Audio Cyclope- dia AppendixAudio Systems Technology, Level HOW to Obtain Warranty Service Items Excluded from this Crown WarrantyWhat 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.
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