Crown Audio S Series operation manual Fault Monitoring, Location of Fault Jack

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S-SeriesPower Amplifiers

4 Advanced Features

and Options

4.2.2 Fault Monitoring

The Fault (RJ-11) jack, which looks like a telephone jack, is located on the back of your S-Series ampli- fier (Figure 4.2). It gives you an easy way to remotely monitor the amplifier’s fault status. To set up a circuit that will cause an LED to light whenever a fault status occurs, you can simply use the sug- gested circuit shown in Figure 4.3.

When using this circuit, the LED will glow under any of these conditions:

•The amplifier has just been turned on and is still in the 4-second turn-on delay.

•The heatsinks are too hot.

•The transformer thermal protection is activated.

•The amplifier output wires have developed a short circuit.

•The limiter has been overdriven by > 6 dB for a long time.

•The amplifier output stage has stopped operating. Refer the unit to an authorized Crown Service Cen- ter.

•The amplifier is turned off.

If you choose to design your own circuit to interface this signal to your system, note that this RJ jack is polarity sensitive. Pin 2 must be grounded, and Pin 5 must be supplied with a positive voltage pull-up (positive with respect to ground). Refer to Figure 4.4 for RJ jack pin assignments. The maximum signal that can be exposed to the Fault jack is 35VDC and 10 mA. Best results are obtained with 10 mA LEDs.

The mating connector for the S-Series TX RJ-11 jack contains 4 contact pins in a 6-slot case, as shown. For additional information please contact your local dealer or Crown Technical Support.

Figure 4.2 Location of Fault Jack

Figure 4.3 Fault Status LED Circuitry

Figure 4.4 RJ-11 Jack Wiring and Pin Assignments

Operation Manual

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Contents Some models may be exported under the name Amcron SeriesUse only with a cart, stand, tripod, bracket, or Important Safety InstructionsSeries amplifiers require Class 2 output wiring Family Name S-Series Model Names S-2,S-3 EMC Standards Safety StandardCrown International, Inc Table of Contents How to Use This Manual FeaturesWelcome Accurate, undistorted soundYou may also stack amps without using a cabinet SetupUnpack Your Amplifier Install Your Amplifier Balanced Input Connector Wiring Choose Input Wire and ConnectorsNeutrik Speakon Connector Choose Output Wire and Con- nectorsSee the next page for Bridge-Mono wiring Wire Your System Stereo ModeHow to Parallel the Inputs 11 Typical System Wiring, Bridge-Mono Mode Bridge-Mono ModeSensitivity Switch Input Sensitivity SwitchStartup Procedure Connect to AC MainsOperation PrecautionsControls, Indicators and Connectors Reset Switch Front Panel Controls Indicators Power SwitchFault Indicators Clip IndicatorsAdvanced Features Options SST-4632 SST-4622SST-3632 Location of Fault Jack Fault MonitoringAlternate Output Connectors Options AccessoriesOptional 0.775 V Input Sensitivity Setting Tamper-Resistant Hole PlugsPrinciples of Operation Power LED is driven from the low-voltage supplySeries Amplifier Block Condition Power indicator is off Troubleshooting120 VAC, 60 Hz Units, Bridge mono mode SpecificationsService Worldwide Except USA & Canada WarrantyThis page intentionally left blank SeriesPower Amplifiers Crown Audio Factory Service Information

S Series specifications

Crown Audio's S Series amplifiers are renowned in the professional audio industry for their excellent sound quality, reliability, and advanced technology. Designed to meet the needs of both touring and installation applications, the S Series has gained a reputation for delivering powerful performance and exceptional value.

At the heart of the S Series is Crown's patented DriveCore technology, which integrates the power amplifier's drive and output stage into a single chip. This innovation reduces the size and weight of the amplifier while improving efficiency and thermal performance. As a result, users can expect less heat generation and the ability to drive loads with ease, ultimately leading to longer operational life and reduced energy costs.

One of the standout features of the S Series is its output power options, which offer a range of configurations to suit various applications. The amplifiers provide up to 6000 watts, ensuring that they can handle large-scale events and venues with demanding audio needs. The S Series also includes advanced signal processing capabilities, including EQ and limiting, allowing users to further refine their sound.

The S Series amplifiers are built with durability in mind. They feature rugged construction, including a steel chassis and highly-efficient internal components, making them suitable for both touring environments and permanent installations. Additionally, the amplifiers are designed for ease of use, with an intuitive front panel interface that includes LED indicators for power, signal, and thermal status.

Connectivity is another strength of the S Series. The amplifiers offer a variety of input and output options, ensuring compatibility with different audio sources and speaker systems. The built-in network capabilities allow for remote monitoring and control via Crown’s Software, enhancing flexibility and convenience in live sound scenarios or fixed installations.

The S Series amplifiers also boast a high signal-to-noise ratio and low total harmonic distortion, ensuring pristine audio reproduction. This is crucial for professional sound systems, where clarity and fidelity are paramount for delivering an exceptional listener experience.

Overall, Crown Audio's S Series amplifiers combine state-of-the-art technology, robust performance, and user-friendly features, making them a preferred choice among audio professionals worldwide. Whether for a concert, theater, or nightclub, the S Series delivers the power and reliability needed to ensure outstanding sound quality every time.
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