Front Panel Description

See Figure 1 on page 15

Each Evolution Two Monaural Preamplifier channel is comprised of two chas- sis, the preamplifier chassis and the power supply chassis. Front panel func- tions and their descriptions follow.

Chassis

1Preamplifier Chassis

The preamplifier chassis front panel provides power on, input and zone selec- tion, level control, menu functions, and status display.

2Power Supply Chassis

Powerful transformers, high quality regulators, and extensive electrical and magnetic shielding are housed in a separate power supply for each preampli- fier channel.

Power

3Power Button or Key

Use this button or key to switch the Evolution Two between the stand-by and operational modes.

4Stand-by LED

The red stand-by LEDs on the preamplifier and the power supply illuminate when the Evolution Two is plugged into a standard AC wall receptacle, indicat- ing that the Evolution Two is ready to be switched to the operational mode. The stand-by LEDs flash when remote control signals are received.

5Power Backlight

The blue power backlight illuminates when the Evolution Two is in the opera- tional mode.

Remote Functions on the Front Panel

6Infrared Sensor

The infrared sensor receives commands from the Evolution Two remote con- trol. For proper remote control operation, make sure the infrared sensor is not covered or obstructed.

7Infrared Transmitter LED

The stand-by LED (4) on the preamplifier chassis (1) flashes when the Evolution Two sends signals via the infrared transmitter LED to a programmable remote control, such as the Universal Krell Touch Screen Remote. See IR Out Control, on page 40.

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Krell Industries EVOLUTION TWO MONAURAL PREAMPLIFIER manual Front Panel Description, Chassis, Power
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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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