Krell Industries 222 manual Info

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PC Boards

CONTROL

DISPLAY

ENCODER

MAIN L

MAIN R

POWER CONN

POWER SUPP

DIG CONN

Info

This function enables you to access information about the preamplifier software, EEPROM, and PC Boards. The PC Boards are listed in the left margin, on this page.

Enter the menu, then:

1.Use the level control knob on the preamplifier front panel or up and down keys (14) on the remote control to select: INFO.

2.Press the enter button on the preamplifier front panel or the enter key (6) on the remote control. The front panel display (3) shows the software version num- ber.

3.Rotate the level control knob clockwise or press the up key. The front panel display shows the EEPROM version number.

4.Rotate the level control knob clockwise or press the up key again. The front panel display shows the PC board version number.

5.Press the enter button or key. Use the level control knob or the up and down keys to scroll through the version numbers of PC boards, from the PC Boards listed at left.

EEPROM

Electrically erasable programmable read-only memory. An erasable memory chip used in the Evolution 222 to store menu selection information.

continued

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Contents Evolution Important Safety Instructions Contents List of Illustrations Letter from Dan D’Agostino Features Evolution 222 Features and TechnologyHow Cast and Krell Current Mode Interact Voltage Signal Transmission Traditional Audio SystemRevolutionary Krell Cast Technology Cast BasicsCast Cable Construction Evolution CastBest Musical Performance Definition of Terms Inputs and OutputsOperation Technology Krell Current ModePage AC Power Guidelines PlacementQuick Start Connecting the Evolution 222 to Your SystemOperating the Evolution Selectors Anatomy of the EvolutionFront Panel Description PowerChassis Remote Functions on the Front PanelDisplay Navigate/CustomizePreamplifier Functions Level Control Knob or Level Keys Level ControlEvolution 222 Remote Control Battery Installation and Removal Remote Control DescriptionAmplifier Functions Balance FunctionsCompact Disc and DVD Functions Evolution 222 Back Panel Back Panel Description ConfigurationsInputs Outputs22 RS-232 Remote Connections on the Back Panel23 RC-5 24 12 VDC In/Out 12 V TriggerPhono Stage Connector Phono Power PortIEC Power Cord Receptacle Connecting the Evolution 222 to Your System XLR Pin ConfigurationInput and Output Connections Connection Steps Evolution 222 Operation On/Off and Stand-by OperationTo Turn Off The System Volume Knob or Level Keys Customizing the EvolutionNavigation Conventions AC Mains Menu FunctionsBalance input trim Balance channelMenu Button or Key Enter or exit the menu DisplayInfo Input Name Input Level TrimInput Trigger Input PhaseIR Out Control Evolution 222 responds to 12 V input trigger commandsMute Link Control can LinkOutput Trigger Recall RC-5 ControlSave RS-232 ControlTheater Mode Volume Display Troubleshooting System Noise Warranty Page To contact the Krell Service Department Return Authorization ProcedureInputs SpecificationsConnair Road

222 specifications

Krell Industries has long been synonymous with high-end audio performance, and the Krell Industries 222 is no exception to this reputation. Designed with both audiophiles and casual listeners in mind, the 222 exemplifies cutting-edge technology, engineering precision, and a commitment to delivering exceptional sound quality.

At the heart of the Krell 222 is its audiophile-grade DAC (Digital-to-Analog Converter) that supports high-resolution audio formats, including DSD and PCM. This enables the unit to accurately reproduce music data at various sampling rates, providing a dynamic range and clarity that brings recorded music to life. The incorporation of proprietary Krell technologies ensures that the 222 minimizes digital distortion while maximizing audio fidelity.

Additionally, the Krell 222 features a state-of-the-art power supply designed to provide stable and clean power to its circuitry. This ensures that the amplifier can handle a wide range of audio signals without compromising sound quality. The unit employs advanced linear power supply technology, which is known for its ability to deliver consistent voltage under various load conditions, resulting in improved performance across all audio frequencies.

The connectivity options on the Krell 222 are robust, featuring both balanced XLR and unbalanced RCA inputs that facilitate seamless integration into various audio systems. With support for Bluetooth and network streaming, users can enjoy their favorite music from a variety of digital sources, enhancing the versatility of the unit. The Krell 222 also features a user-friendly interface, allowing for easy navigation and control over audio settings.

In terms of design, the Krell 222 showcases a modern aesthetic with a durable chassis that minimizes vibration and interference. The front panel is clean and intuitive, featuring a high-resolution display that provides real-time feedback on settings and parameters.

Notably, the Krell 222 embraces green technology, employing energy-efficient components that reduce power consumption without sacrificing performance. This commitment to sustainability reflects Krell's dedication to creating products that are both innovative and environmentally responsible.

In summary, Krell Industries 222 stands out with its advanced DAC, exceptional power supply, versatile connectivity options, and elegant design. It represents the pinnacle of what high-end audio can offer, making it an ideal choice for those who demand only the best in sound reproduction. With the Krell 222, users can experience music as it was meant to be heard, with clarity and depth that elevates the listening experience to new heights.
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