Back Panel Description

See Figure 3 on page 22

The Evolution Two Monaural 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.

Left/Right Channel Orientation

Evolution Two preamplifiers are assembled as left or right preamplifier channels. Preamplifier RCA connectors (31, 36, 38, 40) are color coded. Left preamplifier channels are assembled with white RCA connectors, and right preamplifier chan- nels are assembled with red RCA connectors.

Inputs

30Balanced Inputs: B-1, B-2, B-3

The Evolution Two is equipped with 3 balanced analog source inputs with XLR connectors.

31Single-ended Inputs: S-1, S-2, S-3. S-4

The Evolution Two is equipped with 4 single-ended analog source inputs with RCA connectors.

32, 33 Tape Inputs: B-3 and S-4

The Evolution Two is equipped with one balanced and one single-ended input, for use with a tape source. Either input may be configured as the tape input, from the menu (17). When you select the tape input (11), the other input becomes a normal input, selectable using the front panel button or the remote control key (8, 9).

34C-1, C-2, and C-3 CAST Inputs

The Evolution Two is equipped with 3 CAST inputs with 4-pin bayonet connec- tors, for use with Krell CAST-equipped input devices.

Outputs

35, 36 Main Bus Outputs

The Evolution Two is equipped with one balanced main bus output with XLR connectors and one single-ended main bus output with RCA connectors. Use the main bus outputs to record the input signal playing on the main outputs. For more information, see Play and Record, on page 30.

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Krell Industries EVOLUTION TWO MONAURAL PREAMPLIFIER manual Back Panel Description, Inputs, 35, 36 Main Bus Outputs
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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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