Krell Industries Evolution manual Contents

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Contents

List of Illustrations, page 4

A Letter from Dan D’Agostino, page 5

SECTION ONE: Evolution Amplifier Features and Technology, page 6

Features, Revolutionary Krell CAST Technology,

Definition of Terms

SECTION TWO: Unpacking and Placement, page 11

Opening the Evolution Amplifier Shipping Carton

SECTION THREE: Anatomy of the Evolution Amplifier, page 13

Front Panel Description, and Back Panel Description

SECTION FOUR: Connecting an Evolution Amplifier to Your System, page 21

CAST Connections, Balanced Connections, Single-ended Connections,

Evolution DC Protection Circuitry/Using Tube Preamplifiers, Connection Steps

SECTION FIVE: Evolution Amplifier Operation, page 23

On/Off and Stand-by Operation

SECTION SIX: Troubleshooting System Noise, page 24

How to Evaluate Amplifier Operation, Error Codes

SECTION SEVEN: Questions and Answers, page 26

WARRANTY, page 27

RETURN AUTHORIZATION PROCEDURE, page 29

SPECIFICATIONS, page 30

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Contents Evolution Important Safety Instructions Contents List of Illustrations Letter from Dan D’Agostino Features Evolution Amplifier Features and TechnologyCast Basics Voltage Signal Transmission Traditional Audio SystemHow Cast and Krell Current Mode Interact Revolutionary Krell Cast TechnologyCast Cable Construction Evolution CastBest Musical Performance Definition of Terms Inputs and OutputsOperation Krell Current Mode TechnologyActive Cascode Topology Opening the Evolution Amplifier Shipping Carton Unpacking and PlacementAC Power Guidelines PlacementEvolution Amplifier Front Panel Evolution 402 shown Anatomy of an Evolution AmplifierFront Panel Description PowerPower Button Power Status IndicatorEvolution 302 Stereo Amplifier Back Panel Evolution 402 Stereo Amplifier Back Panel Evolution 403 Multi-channel Amplifier Back Panel Evolution Monaural Amplifier Back Panel Evolution 600 shown Back Panel Description OutputsInputs VDC In/Out 12 V Trigger IEC Power Cord ReceptaclePower Breaker Switch Remote ConnectionsBalanced Connections Connecting an Evolution Amplifier to Your SystemXLR Pin Configuration Cast ConnectionsConnection Steps Evolution DC Protection Circuitry/Using Tube PreamplifiersSection Five How to Evaluate Amplifier Operation Troubleshooting System NoiseDiagnostic Code Possible Condition Course of Action Error CodesQuestions and Answers Warranty Page How to Return a Product Return Authorization ProcedureHow to Expedite Service To contact the Krell Service DepartmentFrequency Response SpecificationsMeasurement Evolution 403 Amplifier Measurement Evolution 600 Amplifier Evolution 900 Amplifier WNER’S Reference Krell INDUSTRIES, INC

Evolution specifications

Krell Industries has established itself as a pioneer in high-performance audio equipment, renowned for delivering unparalleled sound quality and innovative technologies. Founded in 1980, the company quickly became synonymous with premium amplification, earning accolades from audiophiles worldwide. Over the years, Krell has evolved its product lineup to include not only amplifiers but also preamplifiers, digital audio players, and complete home theater systems.

One of the hallmark features of Krell products is their robust build quality. The company employs a strong engineering ethos that prioritizes durability and reliability in all its offerings. The iconic, heavy chassis of Krell components serves not only as a protective shell but also minimizes vibrations, which can adversely affect sound quality. This engineering strategy is evident in their signature line of amplifiers, which utilize high-grade materials and precision craftsmanship to ensure longevity and optimum performance.

Krell has also been at the forefront of technological advancements. The introduction of class A amplification circuitry is one such innovation that has been integral to the company's sound signature, allowing for minimal distortion and a rich, dynamic range. This technology ensures that even the most subtle nuances in music are reproduced with fidelity and clarity.

Moreover, Krell has embraced digital audio, creating DACs (digital-to-analog converters) and streaming devices that support high-resolution audio formats. This commitment to digital excellence reflects the company's understanding of evolving consumer preferences. Many of their devices feature wireless connectivity options, allowing users to stream music seamlessly from various sources without sacrificing audio quality.

In addition, Krell emphasizes user-friendly interfaces and versatility in its designs. Customers can often find features such as programmable presets, remote control functionality, and intuitive navigation systems, making it easier to tailor their listening experience.

Krell Industries’ evolution over the years showcases a dedication to audio fidelity, technological advancement, and stylish design. As the company continues to innovate within the high-end audio landscape, it maintains its reputation as a brand that audiophiles can trust, delivering exceptional sound experiences that stand the test of time.