Crown Audio S Series operation manual Series Amplifier Block

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S-SeriesPower Amplifiers

5 Principles of Operation

+HI-VOLTAGE BOOTSTRAP

Figure 5.1

S-Series

Amplifier Block

BALANCED

Diagram INPUTS (Shown with

Standard Input Module)

TO CLIP

 

COMPRESSOR

INDICATOR

 

CONTROL

 

 

 

 

 

 

 

TRANSLATOR

BALANCE

VARIABLE

BUFFER

ERROR

 

 

AMP

 

GAIN STAGE

 

–VCC

INPUT STAGE

 

 

 

 

 

 

 

TO SIGNAL

PRESENCE

INDICATOR

DC PROTECT

LOGIC

TO

FAULT

CONNECTOR

 

 

 

 

TURN-ON

 

 

 

 

DELAY

CURRENT

 

 

 

 

SOURCE

TRIPLE-DEEP

HEATSINK

 

 

 

 

DARLINGTON

TEMPERATURE

 

 

NPN POSITIVE

 

 

 

 

OUTPUT STAGE

 

 

+

 

 

 

 

 

TDVI

 

OUTPUT

BIAS

 

CONTROL

LIMITER

 

 

 

 

OUTPUT

 

TRIPLE-DEEP

 

 

 

 

DC

 

 

DARLINGTON

 

 

LVA

NPN NEGATIVE

 

PROTECT

 

 

OUTPUT STAGE

 

 

 

–VCC

HEATSINK

TRANSFORMER

TO FAULT

TEMPERATURE

 

 

TEMPERATURE

INDICATOR

 

PROPORTIONAL

 

+ VCC

 

 

SPEED

POWER

 

 

+ 15V

 

 

FAN

 

 

 

 

 

 

CONTROL

SUPPLY

– 15V

 

 

 

 

– VCC

 

 

FAN

 

BOOTSTRAP

+ HI-VOLTAGE

 

 

CIRCUIT

BOOTSTRAP

MUTE

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Operation Manual

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Contents Series Some models may be exported under the name AmcronUse 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 Features How to Use This ManualWelcome Accurate, undistorted soundYou may also stack amps without using a cabinet SetupUnpack Your Amplifier Install Your Amplifier Choose Input Wire and Connectors Balanced Input Connector WiringChoose Output Wire and Con- nectors Neutrik Speakon ConnectorSee the next page for Bridge-Mono wiring Wire Your System Stereo ModeHow to Parallel the Inputs Bridge-Mono Mode 11 Typical System Wiring, Bridge-Mono ModeInput Sensitivity Switch Sensitivity SwitchStartup Procedure Connect to AC MainsPrecautions OperationControls, Indicators and Connectors Front Panel Controls Indicators Power Switch Reset SwitchFault Indicators Clip IndicatorsAdvanced Features Options SST-4632 SST-4622SST-3632 Fault Monitoring Location of Fault JackOptions Accessories Alternate Output ConnectorsOptional 0.775 V Input Sensitivity Setting Tamper-Resistant Hole PlugsPower LED is driven from the low-voltage supply Principles of OperationSeries Amplifier Block Troubleshooting Condition Power indicator is offSpecifications 120 VAC, 60 Hz Units, Bridge mono modeService Warranty Worldwide Except USA & CanadaThis 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.