Krell Illusion Preamps: Where Every Note Comes to Life

Krell Illusion and Illusion II Preamplifiers

Krell Illusion Preamplifier

The Krell Illusion Preamplifier represents the pinnacle of Krell's engineering prowess, combining advanced circuitry and high-quality components to deliver unmatched audio performance. Designed for discerning audiophiles, the Illusion preamplifier separates the power supply from the audio circuitry to minimize noise and maximize sound purity.

Product Overview

Key Features

  • Separate Power Supply: Ensures minimal interference and maximum audio clarity.

  • Krell CAST Technology: Provides a high-bandwidth, low-noise signal path.

  • Adjustable Crossover: Optional feature allows for high-quality subwoofer/satellite integration.

  • Technical Specifications

    • Inputs:

      • 2 pairs of CAST via 4-pin bayonet connectors

      • 2 pairs of balanced via XLR connectors

      • 3 pairs of single-ended via RCA connectors

      • 1 pair of single-ended tape input via RCA connector

    • Outputs:

      • 2 pairs of CAST via 4-pin bayonet connectors

      • 1 pair of balanced via XLR connector

      • 1 pair of single-ended via RCA connector

      • 1 pair of balanced subwoofer output via XLR connector

      • 1 pair of single-ended subwoofer output via RCA connector

      • 1 pair of single-ended tape output via RCA connector

    • Frequency Response: 20 Hz to 20 kHz ± 0.02 dB; 0.35 Hz to 720 kHz +0, -3 dB

    • Total Harmonic Distortion: <0.003%, 20 Hz to 20 kHz, 4 V RMS or 4 mA RMS

    • Input Impedance:

      • CAST: 25 Ohms

      • Balanced: 40 kOhms

      • Single-ended: 20 kOhms

    • Output Impedance:

      • CAST: >1 MOhm

      • Balanced: 250 Ohms

      • Single-ended: 125 Ohms

    • Gain:

      • CAST or balanced output: 12 dB

      • Single-ended output: 6 dB

    • Power Consumption:

      • Standby: 60 W

      • Power on: 65 W

      • Power on, with KPE: 75 W

    • Dimensions:

      • Preamplifier: 17.3 in. W x 3.8 in. H x 18.3 in. D (43.8 cm x 9.7 cm x 46.5 cm)

Experience the Purest Sound with Krell Illusion Preamps

The Krell Illusion l and ll preamplifiers are designed for those who seek the ultimate in audio performance. Combining cutting-edge technology with meticulous craftsmanship, these preamps deliver unparalleled transparency and sonic purity. Whether you’re listening to your favorite records or the latest high-resolution digital files, the Illusion series ensures that every nuance and detail is brought to life with stunning clarity and realism. Elevate your listening experience with the Krell Illusion l and ll—where every note is a revelation.

Krell Illusion II Preamplifier

Key Features

  • Dual Monaural Design: Ensures channel separation and precise sound reproduction.

  • Digital Module: Supports up to 24-bit/192kHz LPCM, with AES/EBU, coaxial, and optical inputs.

  • Krell Current Mode: Zero feedback, balanced design with 700 kHz bandwidth.

Product Overview

The Krell Illusion II preamplifier offers high-end performance in a streamlined design, featuring both analog and digital inputs for versatile connectivity. It shares the design philosophy of the flagship Illusion preamplifier but includes a built-in digital module for seamless integration with digital sources.

  • Technical Specifications

    • Analog Inputs:

      • 2 pairs of balanced via XLR connectors

      • 3 pairs of single-ended via RCA connectors

    • Digital Inputs:

      • 1 AES/EBU via XLR connector

      • 2 coaxial via RCA connectors

      • 2 optical via Toslink connectors

    • Outputs:

      • 1 pair of balanced via XLR connectors

      • 1 pair of single-ended via RCA connectors

      • 1 headphone output via 6.35 mm connector

    • Frequency Response: 20 Hz to 20 kHz +0, -0.02 dB; 0.25 Hz to 1.2 MHz +0, -3 dB

    • Total Harmonic Distortion:

      • Balanced Output: <0.003%, 20 Hz to 20 kHz, at 4.0 V RMS

      • Headphone: <0.09%, 20 Hz to 20 kHz, 2.0 V RMS, 32 Ohms load

    • Input Impedance:

      • Balanced: 40 kOhms

      • Single-ended: 20 kOhms

    • Output Impedance:

      • Balanced: 310 Ohms

      • Single-ended: 155 Ohms

      • Headphone: <3.0 Ohms

    • Gain:

      • Balanced: 12.0 dB

      • Single-ended: 6.0 dB

      • Headphone: 5.1 dB with 32 Ohms load

    • Power Consumption:

      • Standby: <2 W

    • Dimensions: 17.3 in. W x 3.8 in. H x 15.9 in. D (43.8 cm x 9.7 cm x 40.4 cm)

Why Choose Krell Illusion series Preamplifiers?

  • Both Illusion preamplifiers deliver unparalleled audio performance, with advanced circuitry that ensures minimal noise and maximum signal integrity.

  • The extensive input and output options, including both analog and digital, make these preamplifiers versatile choices for any high-end audio system.

  • Krell's CAST technology and Current Mode design provide exceptional bandwidth and linearity, ensuring a transparent and dynamic listening experience.