Krell Industries KSA-100S, KSA-200S, KSA-300S manual Introduction

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INTRODUCTION

Thank you for your purchase of the KRELL KSA-100S/200S/300S power

amplifier. These amplifiers represent the latest evolution in amplifier

technology, matching unprecedented performance with convenience not obtainable from most high performance audio designs.

Throughout this Reference we will refer to all three of the amplifiers as KSA.

All three amplifiers operate identically, while their sonic characteristics,

specifications, and dimensions vary. Specific differences will be described in detail.

To obtain the best performance from your KSA, careful attention should be

paid to placement, installation and operation. A thorough understanding of these details will help insure satisfactory operation and long life for the KSA and related system components.

This Owner's Reference is divided into several sections, each designed to perform a different function. As you read through it you will become better

acquainted with the features and functions that make the KSA series amplifiers a superb value. A Question and Answer section is also included

where answers to common questions are provided. Should you have any questions or suggestions please feel free to contact your authorized dealer or the KRELLstaff for assistance.

In the unlikely event that your KSAshould require service, you will be pleased to know that it is backed by a comprehensive Customer Satisfaction

policy and one of the most advanced service facilities in the industry. For detailed information on the terms and conditions of service, please refer to the Warranty and Service section of this Reference, Warranty Registration Card, and your authorized KRELLDealer or Distributor.

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Contents ~~0 Introduction Table of Contents Unpacking Location Basic InstallationRemote TURN-ON Installation AC Power Considerations Cabinetry ConsiderationsAmplifier Feet REMOTE, MASTER/SLAVE Connections Linking Multiple AmplifiersBasic Installation Connections Input and Output ConnectionsConnections KSA Amplifier PAGE12 OperationAmplifier Operation Description of TURN-ON Sequence System Noise Considerations Bias Level Meter Front Panel Meter Button Remote Control Functions Battery InstallationSimple TROUBLE-SHOOTING Steps Protection CircuitryOperation Questions and Answer Questions and Answer Specifications PAGE22Warranty and Service Krell

KSA-100S, KSA-300S, KSA-200S specifications

Krell Industries is renowned for its high-end audio equipment, particularly in the realm of amplification. The KSA series, which includes the KSA-300S, KSA-100S, and KSA-200S, showcases the brand's commitment to delivering superb sound quality, advanced technology, and exceptional build quality. Each model in this series brings its unique features and characteristics, appealing to audiophiles and music enthusiasts alike.

The KSA-300S stands out as a powerhouse amplifier, capable of delivering an impressive 300 watts per channel into 8 ohms. It utilizes Krell's proprietary Class A-AB design, which combines the efficiency of Class AB with the sonic purity of Class A. This model incorporates advanced thermal management systems, ensuring stability during extended listening sessions. The KSA-300S also features dual-mono construction, allowing for superior channel separation and minimizing crosstalk, resulting in an expansive soundstage with precise imaging.

Next, the KSA-200S offers a blend of power and finesse with its 200-watt output per channel, making it a versatile choice for various speaker types and room sizes. Like its larger counterpart, the KSA-200S employs a Class A-AB design, but its lighter footprint allows for easier placement in audio systems. The build quality is impeccable, featuring a robust chassis that minimizes vibration and enhances sound clarity. Additionally, it includes Krell’s advanced input stage, ensuring minimal signal degradation and optimal performance.

Lastly, the KSA-100S, with its 100-watt per channel output, is ideal for those who appreciate high-performance audio in a more compact package. Despite its smaller size, it retains many of the high-end features found in the larger models. The KSA-100S delivers exceptional dynamic range and musicality, making it perfect for smaller listening environments. It also employs Krell's unique cooling design, which allows the amplifier to maintain optimal performance without overheating.

In conclusion, Krell Industries' KSA series amplifiers represent the pinnacle of audio engineering. With their Class A-AB designs, advanced thermal management, and robust build quality, the KSA-300S, KSA-200S, and KSA-100S offer options for various listening environments and preferences. Whether you're seeking a powerful amplifier for large speakers or a compact solution for intimate audio spaces, the KSA series provides unparalleled performance and sonic excellence.
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