Evolution Technologies 222 manual Important Safety Instructions

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Evolution 222 Stereo Preamplifier

Owner’s Reference, v06.0

 

TEL 203-298-4000

Krell Industries, Inc.

FAX 203-891-2028

45 Connair Road

E-MAIL sales@krellonline.com

Orange, CT 06477-3650 USA

WEBSITE http://www.krellonline.com

This product complies with the EMC directive (89/336/EEC) and the low-voltage directive (73/23/EEC).

IMPORTANT SAFETY INSTRUCTIONS

1.Read Instructions.

2.Keep these Instructions.

3.Heed all Warnings.

4.Follow all Instructions.

5.Do not use this apparatus near water.

6.Clean only with dry cloth.

7.Do not install near any heat sources such as radiators, heat registers, stoves, or other appa- ratus (including amplifiers) that produce heat.

8.Unplug this apparatus during lightning storms or when unused for long periods of time.

9.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as a power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

10.The Evolution 222 preamplifier must be placed on a firm, level surface where it is not exposed to dripping or splashing.

11.The ventilation grids on the top of the Evolution 222 preamplifier and the space underneath the Evolution 222 preamplifier must be unobstructed at all times during operation. Do not place flammable material above or beneath the preamplifier.

12.Before making connections to the Evolution 222 preamplifier, ensure that the power is off and other components are in mute or stand-by mode. Make sure all cable terminations are of the highest quality, free from frayed ends, short circuits, or cold solder joints.

13.Do not connect an RS-232 cable to the phono power port. Output from the phono power port can seriously damage your computer.

14.Do not connect the cable from a Krell KPE phono stage to the RS-232 port.

15.THERE ARE NO USER SERVICEABLE PARTS INSIDE AN EVOLUTION 222 PREAMPLIFIER.

Please contact Krell if you have questions not addressed in this guide.

This product is manufactured in the United States of America. Krell® is a registered trademark of Krell Industries, Inc., and is restricted for use by Krell Industries, Inc., its subsidiaries, and authorized agents. Evolution Bias™ is a trademark of Krell Industries, Inc. and is a Krell technology based on U.S. Patent No. 5,331,291. CAN Link™, CAST™, Evolution CAST™, and Krell Current Mode™ are trademarks of Krell Industries, Inc. All other trademarks are registered to their respective companies.

© 2006 by Krell Industries, Inc. All rights reserved

P/N 309158-F

 

 

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Contents Evolution Important Safety Instructions Contents List of Illustrations Letter from Dan D’Agostino Evolution 222 Features and Technology FeaturesRevolutionary Krell Cast Technology Voltage Signal Transmission Traditional Audio SystemHow Cast and Krell Current Mode Interact Cast BasicsBest Musical Performance Cast Cable ConstructionEvolution Cast Operation Definition of TermsInputs and Outputs Krell Current Mode TechnologyPage Placement AC Power GuidelinesConnecting the Evolution 222 to Your System Quick StartOperating the Evolution Anatomy of the Evolution SelectorsChassis PowerFront Panel Description Remote Functions on the Front PanelPreamplifier Functions DisplayNavigate/Customize Level Control Level Control Knob or Level KeysEvolution 222 Remote Control Amplifier Functions Remote Control DescriptionBattery Installation and Removal Balance FunctionsCompact Disc and DVD Functions Evolution 222 Back Panel Inputs ConfigurationsBack Panel Description Outputs23 RC-5 Remote Connections on the Back Panel22 RS-232 24 12 VDC In/Out 12 V TriggerIEC Power Cord Receptacle Phono Stage ConnectorPhono Power Port Input and Output Connections Connecting the Evolution 222 to Your SystemXLR Pin Configuration Connection Steps To Turn Off The System Evolution 222 OperationOn/Off and Stand-by Operation Navigation Conventions Volume Knob or Level KeysCustomizing the Evolution Menu Functions AC MainsBalance channel Balance input trimDisplay Menu Button or Key Enter or exit the menuInfo Input Level Trim Input NameInput Phase Input TriggerEvolution 222 responds to 12 V input trigger commands IR Out ControlLink Control can Link MuteOutput Trigger RC-5 Control RecallRS-232 Control SaveTheater Mode Volume Display Troubleshooting System Noise Warranty Page Return Authorization Procedure To contact the Krell Service DepartmentSpecifications InputsConnair Road