Krell Industries EVOLUTION TWO MONAURAL PREAMPLIFIER Cast Cable Construction, Evolution Cast

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CAST preserves the transmitted signal between components. Together, CAST and Krell Current Mode technologies unify separate Krell components into a single global circuit. Krell Current Mode technology enjoys bandwidth increases up to an order of magnitude greater than their voltage based counterparts. This dramatic increase in circuit bandwidth delivers near perfection in the audible band that typi- cally suffers from phase distortions in voltage circuits.

CAST Cable Construction

A CAST system uses cables manufactured by Krell and other manufacturers spe- cially licensed by Krell. Thin and flexible CAST cables are constructed with the same build quality as other Krell components and are aesthetically matched to the components that Krell manufactures. An all-metal body and locking connectors with gold contacts are part of the standard no-compromise specification devel- oped for every CAST cable made.

Evolution CAST

By employing radical current mirror circuitry, the Evolution components elevate the CAST technology to another level. This advanced use of the technology increases the linearity, transient speed, and bandwidth of the Evolution components while reducing the distortion by an order of magnitude.

The Best Musical Performance

When you operate a CAST system, you will hear significant improvements in every performance area: speed, precision, dynamic range, depth and width of the sound stage, transient impact, tonal balance, harmonic distortion, and more. The goal for CAST is the same company goal used for all Krell products. Krell strives for the delivery of the best performance of a musical event for you, using the full expres- sion of technology to date.

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Contents Evolution Page Contents List of Illustrations Letter from Dan D’Agostino Letter from Dan D’Agostino Krell Legacy About KrellHow Cast and Krell Current Mode Interact Voltage Signal Transmission Traditional Audio SystemRevolutionary Krell Cast Technology Cast BasicsCast Cable Construction Evolution CastBest Musical Performance Zero Feedback Balanced Current Mode Design Ensuring Maximum PerformanceCore Technologies Separate Power Supply Fully Balanced Discrete Volume ControlAdvanced Microprocessor Control Custom Software Configurations Definition of TermsInputs and Outputs Preamplifier Krell Current ModeOperation TechnologyOpening the Evolution Two Shipping Carton Unpacking and PlacementLeft/Right Channel Orientation To Remove the Preamplifier Channel from the Shipping CartonPlacement AC Power GuidelinesRepeat Steps 1-5 for the remaining preamplifier channels Quick Start Connecting the Evolution Two to Your SystemOperating the Evolution Two Linked Mode 11 12 13 Anatomy of an Evolution TwoEvolution Two Remote Control Front Panel Description PowerChassis Remote Functions on the Front PanelDisplay Preamplifier FunctionsNavigate/Customize Level ControlMenu Button or Key Enter Button or KeyBattery Installation and Removal Remote Control DescriptionAmplifier Functions Compact Disc FunctionsIEC Power Cord Receptacle Inputs Back Panel DescriptionOutputs 35, 36 Main Bus Outputs37, 38 Record Bus Outputs Remote Connections on the Back Panel42 RC-5 43 RS-232Link Control Phono Stage ConnectorXLR Pin Configuration Connecting the Evolution Two to Your SystemInput and Output Connections Connection StepsNever connect two power supplies together To Connect Multiple Evolution Two Preamplifiers via can Link Connections Using can LinkEvolution Two Operation On/Off and Stand-by Operation Linked ModeTo Turn Off Your System Play and RecordOperation Using can Link Navigation Conventions Customizing the Evolution TwoAC Mains Menu FunctionsBacklight Enter the menu, thenBalance Channel AssignUse to make a left channel respond as a right channel Use to make a right channel respond as a left channel CloneDisplay Info Front panel display is always onFront panel display times out after 5 seconds Input Level Trim Input NameTo select input names for other inputs, repeat Steps 3 Phase of the selected input is unaffected Input PhasePhase of the selected input is inverted 180 degrees Input TriggerIR Out Control Evolution Two responds to 12 V input trigger commandsLink Control can Link Mute Output TriggerOutput of the Evolution Two is completely silenced RC-5 Control Recalls the factory settings RecallRS-232 Control Software Clone SaveTape Input Begins the software clone processInitiates the software clone Theater Mode +12 dB. The options are Enter the menu, then Volume DisplayQuestions and Answers Troubleshooting System Noise Connection of multiple preamplifier channels Appendix can Link and Multiple Evolution Two PreamplifiersAppendix can Link and Multiple Evolution Two Preamplifiers Warranty Warranty To contact the Krell Service Department Return Authorization ProcedureService@krellonline.com AM to 500 PM ESTControl outputs Specifications