Krell Industries 222 manual Back Panel Description, Inputs, Outputs, Configurations

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Back Panel Description

See Figure 3 on the previous page

The preamplifier back panel provides all input and output connections, remote control inputs and outputs, and the power connection. Back panel features and their descriptions follow.

Inputs

15Balanced Inputs: B-1, B-2

These are balanced analog source inputs with XLR connectors.

16Single-ended Inputs: S-1, S-2, S-3

These are single-ended analog source inputs with RCA connectors.

17Tape Input

This is a single-ended tape input, for use with a tape source.

18C-1 and C-2 CAST Inputs

These are CAST inputs with 4-pin bayonet connectors, for use with Krell CAST-equipped input devices.

Outputs

19 Tape Output

This single-ended analog output is used for recording the selected input

source.

20 Main Outputs

The Evolution 222 is equipped with one single-ended output with RCA con- nectors, one balanced output with XLR connectors, and two CAST preamplifi- er outputs with 4-pin bayonet connectors, for use with Krell CAST-equipped amplifiers.

Configurations

21CAN Link

These RJ-45 link connectors are connected in parallel. They are used to con- nect the Evolution 222 preamplifier to other CAN Link-enabled Krell products.

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Contents Evolution Important Safety Instructions Contents List of Illustrations Letter from Dan D’Agostino Features Evolution 222 Features and TechnologyCast Basics Voltage Signal Transmission Traditional Audio SystemHow Cast and Krell Current Mode Interact Revolutionary Krell Cast TechnologyBest Musical Performance Cast Cable ConstructionEvolution Cast Operation Definition of TermsInputs and Outputs Technology Krell Current ModePage AC Power Guidelines PlacementQuick Start Connecting the Evolution 222 to Your SystemOperating the Evolution Selectors Anatomy of the EvolutionRemote Functions on the Front Panel PowerFront Panel Description ChassisPreamplifier Functions DisplayNavigate/Customize Level Control Knob or Level Keys Level ControlEvolution 222 Remote Control Balance Functions Remote Control DescriptionBattery Installation and Removal Amplifier FunctionsCompact Disc and DVD Functions Evolution 222 Back Panel Outputs ConfigurationsBack Panel Description Inputs24 12 VDC In/Out 12 V Trigger Remote Connections on the Back Panel22 RS-232 23 RC-5IEC 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 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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