Krell Industries EVOLUTION TWO MONAURAL PREAMPLIFIER manual Return Authorization Procedure

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Return Authorization Procedure

If you believe there is a problem with your component, please contact your dealer, distributor, or the Krell factory to discuss the problem before you return the com- ponent for repair. To expedite service, you may wish to complete and e-mail the Service Request Form in the Service Section of our website at:

http://www.krellonline.com

 

 

To contact the Krell Service Department

 

TEL

203-799-9954, Monday-Friday

 

 

9:00 AM to 5:00 PM EST

 

FAX

203-795-2287

 

E-MAIL

service@krellonline.com

 

WEBSITE

http://www.krellonline.com

 

Evolution Two

 

 

 

 

 

PRODUCT

MODEL NUMBER

SERIAL NUMBER

To return a product to Krell, please follow this procedure so that we may serve you better.

1.Obtain a Return Authorization Number (R/A number) and shipping address from the Krell Service Department.

2.Insure and accept all liability for loss or damage to the product during ship ment to the Krell factory and ensure all freight (shipping) charges are prepaid.

The product may also be hand delivered if arrangements with the Service Department have been made in advance. Proof of purchase will be required for warranty validation at the time of hand delivery.

IMPORTANT

Use the original packaging to ensure the safe transit of the product to the factory, dealer, or distributor. Krell may, at its discretion, return a product in new packaging and bill the owner for such packaging if the product received by Krell was boxed in nonstandard packaging or if the original packaging was so damaged that it was unusable. If Krell determines that new packaging is required, the owner will be noti- fied before the product is returned.

To purchase additional packaging, please contact your authorized Krell dealer, dis-

tributor, or the Krell Service Department for assistance.

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Contents Evolution Page Contents List of Illustrations Letter from Dan D’Agostino Letter from Dan D’Agostino Krell Legacy About KrellCast Basics Voltage Signal Transmission Traditional Audio SystemHow Cast and Krell Current Mode Interact Revolutionary Krell Cast TechnologyBest Musical Performance Cast Cable ConstructionEvolution Cast Core Technologies Zero Feedback Balanced Current Mode DesignEnsuring Maximum Performance Separate Power Supply Fully Balanced Discrete Volume ControlAdvanced Microprocessor Control Custom Software Inputs and Outputs ConfigurationsDefinition of Terms Technology Krell Current ModePreamplifier OperationTo Remove the Preamplifier Channel from the Shipping Carton Unpacking and PlacementOpening the Evolution Two Shipping Carton Left/Right Channel OrientationRepeat Steps 1-5 for the remaining preamplifier channels PlacementAC Power Guidelines 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 Remote Functions on the Front Panel PowerFront Panel Description ChassisDisplay Preamplifier FunctionsEnter Button or Key Level ControlNavigate/Customize Menu Button or KeyBattery Installation and Removal Remote Control DescriptionAmplifier Functions Compact Disc FunctionsIEC Power Cord Receptacle 35, 36 Main Bus Outputs Back Panel DescriptionInputs Outputs43 RS-232 Remote Connections on the Back Panel37, 38 Record Bus Outputs 42 RC-5Link Control Phono Stage ConnectorConnection Steps Connecting the Evolution Two to Your SystemXLR Pin Configuration Input and Output ConnectionsNever 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 TwoEnter the menu, then Menu FunctionsAC Mains BacklightUse to make a left channel respond as a right channel BalanceChannel Assign Use to make a right channel respond as a left channel CloneDisplay Front panel display times out after 5 seconds InfoFront panel display is always on To select input names for other inputs, repeat Steps 3 Input Level TrimInput Name Input Trigger Input PhasePhase of the selected input is unaffected Phase of the selected input is inverted 180 degreesIR Out Control Evolution Two responds to 12 V input trigger commandsLink Control can Link Output of the Evolution Two is completely silenced MuteOutput Trigger RC-5 Control RS-232 Control Recalls the factory settingsRecall Software Clone SaveInitiates the software clone Tape InputBegins the software clone process 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 AM to 500 PM EST Return Authorization ProcedureTo contact the Krell Service Department Service@krellonline.comControl outputs Specifications

EVOLUTION TWO MONAURAL PREAMPLIFIER specifications

Krell Industries has long been a name synonymous with high-fidelity audio equipment, and their EVOLUTION TWO MONAURAL PREAMPLIFIER is a testament to this legacy. This premium preamp is designed to cater to audiophiles, delivering unparalleled sound quality and meticulous attention to detail.

At the heart of the EVOLUTION TWO lies Krell's commitment to superior audio performance. The preamplifier employs a fully balanced, differential signal path that minimizes noise and distortion, ensuring that the audio output is pure and true to the source. This architecture not only enhances sound quality but also integrates seamlessly with other high-end audio components in any setup.

One of the standout features of the EVOLUTION TWO is its advanced power supply design. Krell employs a toroidal transformer coupled with high-energy storage capacitors to provide stable, clean power. This allows for improved dynamics and transient response, helping to reproduce the complex nuances of music in a way that engages the listener. The preamplifier's power supply is designed to operate with extreme efficiency, ensuring consistent performance even during the most demanding listening sessions.

Additionally, the EVOLUTION TWO comes equipped with Krell's proprietary CAST (Current Audio Signal Transmission) technology. This innovative feature allows for a direct, impedance-matched connection between components, significantly reducing signal degradation over long cable runs. Audiophiles will appreciate the clarity and fidelity produced by CAST, revealing subtle textures and details in their favorite recordings.

The preamplifier also includes a range of inputs and outputs, catering to various audio sources and systems. Users can connect multiple devices, including digital sources, with ease, thanks to the EVOLUTION TWO's advanced input switching capabilities. The unit supports balanced XLR connections as well as unbalanced RCA outputs, providing flexibility for users with different equipment configurations.

Moreover, the EVOLUTION TWO MONAURAL PREAMPLIFIER boasts a stunning aesthetic, showcasing Krell's hallmark design philosophy. With its sleek chassis and elegant finish, the preamp not only sounds good but looks great in any audio setup.

In summary, the Krell Industries EVOLUTION TWO MONAURAL PREAMPLIFIER is a high-performance audio component that encapsulates cutting-edge technology and exceptional craftsmanship. With its balanced signal path, innovative power supply design, CAST technology, and versatile connectivity options, it is a remarkable addition to any serious audiophile's system, promising a listening experience that truly transcends the ordinary.
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