Crown Audio 133472-1A manual Fault Status External Circuit Design

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Chapter 1: Crown Amplifiers In-Depth

Figure 1.29

Typical Three-Amp,

Bridge-Mono,

Three-Way Hookup

When you use an active crossover to split the power drive to the loudspeaker components, you gain a wide range of advantages, including:

1.Increased gain because the insertion loss of passive crossover networks is eliminated.

2.Consistent power bandwidth: power bandwidth is changed in multi-way pas- sive systems if transducers change impedance or vaporize (blow up).

3. Levels can be matched more accurately to the components.

4. Improved dynamic range.

Active crossovers for Crown amps are available in both PIP and SST mod- ules (see your Operation Manual for details about available options for your amplifi er).

Figures 1.27 through 1.29 illustrate typical systems using active crossover modules.

Amplifier Application Guide

Figure 1.30

Fault Status External Circuit Design

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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 CableHum and Buzz Solving Input ProblemsRadio Frequencies RF Output Wiring Output Connector 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 Determining Appropriate Speaker Wire Gauge Loudspeaker ProtectionLoudspeaker Fuse Nomograph Solving Output ProblemsHigh-Frequency Oscillations 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 Handbook for Sound Engineers The New Audio Cyclope- dia AppendixAudio Systems Technology, Level 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.
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