Crown Audio 133472-1A manual Connector Assembly Insert into Connector Housing

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Chapter 1: Crown Amplifiers In-Depth

3b.If the Mode switch is in the “Stereo” posi- tion (for stereo con- figuration), connect the positive (+) and negative (–) leads of each wire to the appropriate Chan- nel 1 and Channel 2 connectors as shown in Figure

1.14.You may use all 4 poles of the Channel 1 output connector to feed both speakers, if you wish.

3c.If the Mode switch is in the “Bridge” position (for mono confi guration), connect the load across the positive (+) terminals of the connector as shown in Figure 1.15. For Bridge-Mono Mode, non-invert- ing output, Ch1+ is the positive (+) and Ch2+ is the negative (–).

3d. Never short or parallel the output channels of an amplifier to itself or any other amplifier.

4. Slide the connector insert (B) into the connector hous-

ing (A),

making sure that

the large notch on the outer

edge of the insert lines

up with the

large groove on the inside of the con- nector housing. The insert should slide

easily through the housing and out the other side until it extends approximately 3/4-inch (19-mm) from the end of the housing, as shown in Figure 1.16.

5. Slide the chuck (D) along the cable and insert into the housing, making sure that the large notch on the outer edge

of the chuck lines up

with the large groove on the inside of the connector housing. The chuck should

slide easily into the insert/hous- ing combination until only approximately 3/8-inch (9.5-mm) of the chuck end extends from the back end of the connector as shown in Figure 1.17.

Amplifier Application Guide

Figure 1.12

Order of Assembly for the Neutrik Speakon NL4FC Connector

Figure 1.13

Wiring for the Neutrik Speakon NL4FC Connector

Figure 1.14

Stereo Output Wiring

Figure 1.15

Bridge-Mono Output Wiring

Figure 1.16

Connector Assembly: Insert into Connector Housing

Figure 1.17

Connector Assembly: Chuck into Connector Housing

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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 CableSolving Input Problems Radio Frequencies RFHum and Buzz Output Wiring Output Connector WiringBalanced vs. Unbalanced Way Binding PostOutput 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 Determining Appropriate Speaker Wire Gauge Loudspeaker ProtectionSolving Output Problems High-Frequency OscillationsLoudspeaker 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 Appendix Audio Systems Technology, LevelHandbook 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.