Crown Audio 133472-1A manual Table of Contents

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3

Table of Contents

 

Introduction

4

Chapter 1: Crown Amplifiers In-Depth

5

1.1

Rack Cooling

5

 

1.1.1 Fan-Assisted Models

5

 

1.1.2 Convection-Only Models

6

1.2

System Wiring

7

 

1.2.1 Input Wiring

7

 

Input Connector Wiring

7

 

Balanced, Grounded Source

7

 

Balanced, Floating Source

7

 

Unbalanced, Grounded Source, Twin-Lead Shielded Cable

8

 

Unbalanced, Floating Source, Twin-Lead Shielded Cable

8

 

Unbalanced, Grounded Source, Single-Conductor

 

 

Coax or Twisted-Pair Cable

8

 

Unbalanced, Floating Source, Single-Conductor

 

 

Coax or Twisted-Pair Cable

8

 

1.2.2 Solving Input Problems

9

1.3

Output Wiring

10

 

1.3.1 Output Connector Wiring

10

 

5-Way Binding Post

10

 

Barrier Block

11

 

Neutrik® Speakon®

11

 

1.3.2 Amplifi er Load Impedance

13

 

1.3.3 Determining Appropriate Speaker Wire Gauge

14

 

1.3.4 Loudspeaker Protection

15

 

1.3.5 Solving Output Problems

16

 

High-Frequency Oscillations

16

 

Sub-Sonic Currents

16

 

1.3.6 Distributed Speaker Systems

17

 

What is Constant Voltage?

17

 

Transformer Saturation

17

1.4

Multi-way Systems (with Expansion Modules)

18

 

1.4.1 Active vs. Passive Crossover Networks

18

1.5

Fault Monitoring

20

1.6

Setting System Gain Structure

21

 

1.6.1 System Levels

21

 

1.6.2 Amplifi er Level

21

Chapter 2: Troubleshooting

23

2.1

No Power

24

2.2

No Sound

25

2.3

Bad Sound

26

2.4

Amp Overheating

26

Chapter 3: Glossary of Terms

27

Appendix: Suggested Reading

33

 

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 CableSolving Input Problems Radio Frequencies RFHum and Buzz Way Binding Post Output WiringOutput Connector Wiring Balanced vs. UnbalancedOutput Wiring Tips Barrier BlockNeutrik Speakon Connector Assembly Insert into Connector Housing Connecting the Speakon plug to the mating connector Amplifier Load ImpedanceParallel Speaker Impedances Parallel Impedances Loudspeaker Protection Determining Appropriate Speaker Wire GaugeSolving Output Problems High-Frequency OscillationsLoudspeaker 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 Appendix Audio Systems Technology, LevelHandbook 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.
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