Crown Audio 133472-1A manual System Wiring, Input Wiring, Input Connector Wiring

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Chapter 1: Crown Ampliﬁers In-Depth

1.2 System Wiring

The information in this section covers making input and output wiring connec- tions, as well as troubleshooting problems relating to system wiring.

1.2.1 Input Wiring

Input Connector Wiring

Refer to the following diagrams for input cable wiring for commonly-used con- nector types.

Note: These diagrams follow the AES wiring convention of Pin 2 = hot for XLR connectors.

Balanced, Grounded Source

For use with components equipped with three-wire grounded AC line cord or other ground connection.

Balanced, Floating Source

For use with components equipped with two-wire

AC line cord or battery power.

Note: If two or more channels with the same input ground reference are driven from the same ﬂ oating source, connect only one shield to the source chassis

Ampliﬁer Application Guide

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Contents Ampliﬁer Application Guide Crown Technical Support Group Important Safety InstructionsTable of Contents Introduction Fan-Assisted Models ChapterRack Cooling This ChapterConvection-Only Models Balanced, Grounded Source System WiringInput Wiring Input Connector WiringUnbalanced, Floating Source Twin-Lead Shielded Cable Unbalanced, Grounded Source Twin-Lead Shielded CableRadio Frequencies RF Solving Input ProblemsHum and Buzz Way Binding Post Output WiringOutput Connector Wiring Balanced vs. UnbalancedBarrier 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 Loudspeaker Protection Determining Appropriate Speaker Wire GaugeHigh-Frequency Oscillations Solving Output ProblemsLoudspeaker Fuse Nomograph Sub-Sonic Currents Distributed Speaker SystemsActive vs. Passive Crossover Networks Using Low-ImpedanceWhat is Constant Voltage? Multi-way Systems With Expansion ModulesCrown Ampliﬁers In-Depth Fault Status External Circuit Design System Gain Fault MonitoringSetting RJ Jack Wiring and Pin Assignments Optimal System HeadromAmpliﬁer Level System LevelsTroubleshooting No Power No PowerNo Sound No SoundAmp Overheating Bad SoundBCA EMI Frequency FaultEqualization EQ FaderOdep IOCPIP2 PIPTHX Audio Systems Technology, Level AppendixHandbook for Sound Engineers The New Audio Cyclope- dia Disclaimer of Consequential & Incidental Damages Items Excluded from this Crown WarrantyHOW to Obtain Warranty Service What the Warrantor will doFull 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.