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Product Description

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The Classé Delta PRE Mk II Stereo Preamp elevates your audio experience to new heights, providing unparalleled sound quality from any source. This exceptional preamp meticulously translates both analog and digital signals into pure, detailed audio, supporting high-resolution formats up to 768kHz/32-bit PCM and DSD512. The built-in phono stage seamlessly integrates your turntable, while independent subwoofer outputs and a five-band parametric EQ per channel grant you ultimate control over bass response and sound characteristics. Stream music effortlessly from popular services like TIDAL and Deezer directly through the HEOS® platform, or navigate the preamp's comprehensive features with ease using the intuitive touchscreen. Crafted with premium materials and featuring functionalities like pure analog mode and pass-thru listening, the Classé Delta PRE Mk II is the perfect foundation for building a world-class audio system.
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Features & Specs Line Circle

PURE AUDIO REPRODUCTION
Yields perfect resolution and superlative sound for analog and digital sources
TWO SUBWOOFER OUTPUTS
Comprehensive bass management for up to two subwoofers
HEOS BUILT IN
Access your favorite streaming services plus AirPlay with HEOS® Built-in.
PARAMETRICK EQ
Five bands of Parametric EQ per channel adjust frequency, level, and Q with advanced digital domain filters without signal path noise or distortion
TONE CONTROL
Freely adjust tone without sacrificing resolution or adding noise
MC/MM PHONO STAGE
Configurable onboard MC/MM phono stage for pure analog listening.
PURE AUDIO REPRODUCTION
Yields perfect resolution and superlative sound for analog and digital sources
TWO SUBWOOFER OUTPUTS
Comprehensive bass management for up to two subwoofers
HEOS BUILT IN
Access your favorite streaming services plus AirPlay with HEOS® Built-in.
PARAMETRICK EQ
Five bands of Parametric EQ per channel adjust frequency, level, and Q with advanced digital domain filters without signal path noise or distortion
TONE CONTROL
Freely adjust tone without sacrificing resolution or adding noise
MC/MM PHONO STAGE
Configurable onboard MC/MM phono stage for pure analog listening.

Expert Insight

Line Circle

Experience unmatched audio fidelity from any source with the Classé Delta PRE Mk II Stereo Preamp, the cornerstone of exceptional sound systems.

Expert Img
Sarah T
Brand Manager

Details

Line Circle

Classé Delta PRE Mk II Stereo Preamp: Precision Audio for the Discerning Listener

Experience unparalleled audio fidelity from any source with the Classé Delta PRE Mk II Stereo Preamp. This exceptional preamplifier combines pristine analog and digital processing with unmatched control and flexibility, making it the cornerstone of any audiophile's dream system.

Uncompromised Audio Performance:

  • Pure Audio Reproduction: Savor perfect resolution and detailed sound from both analog and digital sources.
  • Advanced Digital-to-Analog Conversion: High-performance DAC meticulously translates digital signals into pure, analog audio. Supports up to 768kHz/32-bit PCM and DSD512 for breathtaking high-resolution audio playback.
  • MC/MM Phono Stage: Built-in phono stage seamlessly integrates your turntable for immersive vinyl listening.

Tailored Listening Experience:

  • Two Subwoofer Outputs: Fine-tune bass response with independent control over two subwoofers for powerful, room-filling sound.
  • Five-Band Parametric EQ: Precisely adjust sound characteristics with five bands of parametric EQ per channel, allowing detailed control over specific frequencies.
  • Flexible Tone Control: Refine the sound signature to your preferences without sacrificing sonic purity.

Effortless Control and Connectivity:

  • HEOS® Built-in: Stream music effortlessly from a wide range of popular services, including TIDAL, Deezer, and Airplay, directly through the HEOS® platform.
  • Intuitive Touchscreen Interface: Navigate a comprehensive suite of features with ease using the responsive and informative touchscreen display.
  • HDMI Compatibility (with optional module): Connect up to four HDMI devices for seamless switching between your favorite digital sources.
  • Multiple Digital Inputs: Connect a variety of digital devices with asynchronous USB, AES/EBU, digital coaxial, and optical Toslink inputs.

Designed for Audio Excellence:

  • Premium Materials and Construction: Expertly crafted with high-grade components to ensure exceptional sound quality and long-lasting durability.
  • Pure Analog Mode: Bypass digital processing entirely for purist analog listening.
  • Pass-Thru Mode: Effortlessly switch between music and home theater configurations.

The Foundation for Audio Perfection:

The Classé Delta PRE Mk II Stereo Preamp is the perfect centerpiece for any high-fidelity audio system. Its unmatched control, pristine audio processing, and comprehensive connectivity elevate your listening experience to new heights.

Classé Delta PRE Mk II Stereo Preamp Specifications

Overall Dimensions:

  • Width: 17.48 in (444 mm)
  • Depth (including connectors): 17.64 in (448 mm)
  • Height (including feet): 4.72 in (120 mm)

Weight:

  • Gross Weight: 41.2 lbs (18.7 kg)
  • Net Weight: 29.8 lbs (13.5 kg)

General:

  • Gain Range: -93 dB to +14 dB
  • Channel Matching: 0.05 dB
  • Input Impedance (at 1 kHz, BAL / SE): 50kΩ
  • Output Impedance BAL / SE: 200Ω / 50Ω
  • Maximum Output Level BAL / SE: 18Vrms / 9Vrms

Bypass Mode:

  • Frequency Response (-3dB, 50Ω source impedance): 1Hz – 2MHz
  • Harmonic Distortion (measurement bandwidth: 90kHz):
    • <0.0004% at 1kHz
    • <0.0005% at 10kHz
    • <0.0006% at 20kHz
  • Intermodulation Distortion (measurement bandwidth: 90kHz): <0.001%
  • Maximum Input Level BAL / SE (at 0dB gain):
    • 9Vrms (+21.3dBu)
    • 4.5Vrms (+15.3dBu)
  • Signal-to-Noise Ratio (A wtd) (22kHz BW, ref 9Vrms): 130dB (133dBA)
  • Crosstalk (one channel undriven) (BAL / SE):
    • -143dB (100Hz)
    • -140dB (1kHz)
    • -124dB (10kHz)

Phono Section (0dB Gain, Bypass Mode, XLR2 In, Main XLR Out):

  • RIAA Deviation (20Hz-20kHz): < 0.2dB
  • Selectable Load for MM Type (47k Ω):
    • 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 400pF, 450pF
  • Selectable Load for MC - Low Output: 7.5Ω, 10Ω, 33Ω, 50Ω, 82Ω, 100Ω, 330Ω, 1kΩ
  • Load for MC - High Output: 47kΩ
  • MM, MC - High Output:
    • Gain (1kHz, 20Ω source impedance): 41.5dB
    • SNR (22kHz BW, ref 5mVrms in): 86dB (93dB A-wtd)
    • Max Input Level (overload ref 5mVrms): 11dB (20Hz), 23dB (1kHz), 34dB (10kHz)
  • MC - Low Output:
    • Gain (1kHz, 20Ω source impedance, 1kΩ load): 60dB
    • SNR (20Hz-20kHz): 68dB (74dB A-wtd)
    • Max Input Level (overload ref 0.5mVrms, 1kΩ load): 12dB (20Hz), 31dB (1kHz), 52dB (10kHz)

DAC Section (Digital Inputs, Tone/EQ/Subwoofers Disabled):

  • Frequency Response (-3dB, sweep Fs=192kHz): 5Hz – 90kHz
  • Harmonic Distortion (measurement bandwidth: 90kHz): <0.0015% (20Hz to 20kHz)
  • Dynamic range (-60dBFS, Fs=44.1kHz, A-wtd): 124dB
  • Signal to Noise Ratio (Fs=44.1kHz, A-wtd): 125dB (dBA)

DSP Mode (Tone or EQ Controls Enabled, Set to Flat Unless Noted):

  • Frequency Response (50Ω source impedance, Tone and EQ not enabled): 10Hz – 84.5kHz
  • Harmonic Distortion (measurement bandwidth: 90kHz): <0.002% (20Hz to 20kHz)
  • Maximum input level BAL / SE (at 0dB gain): 5.4Vrms (+2.5dBr) / 2.7Vrms (+2.5dBr)
  • Crosstalk (one channel undriven) (BAL/SE): -105dB(100Hz), -120dB(1kHz), -120dB(10kHz)

Headphone Output:

  • Power (nominal input, 0dB gain, 32 Ω load): 540mW
  • Output Impedance: 6.8Ω

Power Requirements:

  • Standby: 0.2W
  • Wake on LAN: 3.1W
  • Nominal: 35W
  • Max. Power (with optional HDMI board): 55W

HEOS Built-in:

  • Network Connection: Ethernet
  • USB-A Host: WMA, MP3, AAC, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2
  • Ethernet: WMA, MP3, AAC, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2
  • Airplay: Airplay 2
  • Music Service Providers Supported (varies by region, subject to change): Spotify (Connect), Tidal (including Hi Res), Deezer, Amazon Music HD, TuneIn, Pandora, Napster, iHeartRadio, Sirius XM, Soundcloud, MOOD:MIX, AWA, QPlay, Ximalaya, Sony Hi-Res

DAC Inputs:

  • USB-B: 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k, 352.8k, 384k DSD64, DSD128, DSD256 (native – requires Thesycon/Classe driver for Windows), DSD64, DSD128 (DoP)
  • SPDIF (opt, coax, AES/EBU): PCM 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k /DSD64 over SPDIF/

Input / Output Complement:

  • Analog In:
    • BAL / XLR: 2 pairs (XLR2 can be assigned as BAL phono in)
    • SE / RCA: 2 pairs
    • Phono RCA: 1 pair
  • Digital In:
    • USB-F: 1
    • USB-B: 1
    • SPDIF Coaxial: 3
    • SPDIF Optical: 3
    • SPDIF AES / E

Classe Delta Pre MK2 Manual

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
The Classé Delta PRE Mk II Stereo Preamp elevates your audio experience to new heights, providing unparalleled sound quality from any source. This exceptional preamp meticulously translates both analog and digital signals into pure, detailed audio, supporting high-resolution formats up to 768kHz/32-bit PCM and DSD512. The built-in phono stage seamlessly integrates your turntable, while independent subwoofer outputs and a five-band parametric EQ per channel grant you ultimate control over bass response and sound characteristics. Stream music effortlessly from popular services like TIDAL and Deezer directly through the HEOS® platform, or navigate the preamp's comprehensive features with ease using the intuitive touchscreen. Crafted with premium materials and featuring functionalities like pure analog mode and pass-thru listening, the Classé Delta PRE Mk II is the perfect foundation for building a world-class audio system.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

PURE AUDIO REPRODUCTION
Yields perfect resolution and superlative sound for analog and digital sources
TWO SUBWOOFER OUTPUTS
Comprehensive bass management for up to two subwoofers
HEOS BUILT IN
Access your favorite streaming services plus AirPlay with HEOS® Built-in.
PARAMETRICK EQ
Five bands of Parametric EQ per channel adjust frequency, level, and Q with advanced digital domain filters without signal path noise or distortion
TONE CONTROL
Freely adjust tone without sacrificing resolution or adding noise
MC/MM PHONO STAGE
Configurable onboard MC/MM phono stage for pure analog listening.
PURE AUDIO REPRODUCTION
Yields perfect resolution and superlative sound for analog and digital sources
TWO SUBWOOFER OUTPUTS
Comprehensive bass management for up to two subwoofers
HEOS BUILT IN
Access your favorite streaming services plus AirPlay with HEOS® Built-in.
PARAMETRICK EQ
Five bands of Parametric EQ per channel adjust frequency, level, and Q with advanced digital domain filters without signal path noise or distortion
TONE CONTROL
Freely adjust tone without sacrificing resolution or adding noise
MC/MM PHONO STAGE
Configurable onboard MC/MM phono stage for pure analog listening.
Expert Insightdown arrow

Expert Insight

Line Circle

Experience unmatched audio fidelity from any source with the Classé Delta PRE Mk II Stereo Preamp, the cornerstone of exceptional sound systems.

Expert Img
Sarah T
Brand Manager
Detailsdown arrow

Details

Line Circle

Classé Delta PRE Mk II Stereo Preamp: Precision Audio for the Discerning Listener

Experience unparalleled audio fidelity from any source with the Classé Delta PRE Mk II Stereo Preamp. This exceptional preamplifier combines pristine analog and digital processing with unmatched control and flexibility, making it the cornerstone of any audiophile's dream system.

Uncompromised Audio Performance:

  • Pure Audio Reproduction: Savor perfect resolution and detailed sound from both analog and digital sources.
  • Advanced Digital-to-Analog Conversion: High-performance DAC meticulously translates digital signals into pure, analog audio. Supports up to 768kHz/32-bit PCM and DSD512 for breathtaking high-resolution audio playback.
  • MC/MM Phono Stage: Built-in phono stage seamlessly integrates your turntable for immersive vinyl listening.

Tailored Listening Experience:

  • Two Subwoofer Outputs: Fine-tune bass response with independent control over two subwoofers for powerful, room-filling sound.
  • Five-Band Parametric EQ: Precisely adjust sound characteristics with five bands of parametric EQ per channel, allowing detailed control over specific frequencies.
  • Flexible Tone Control: Refine the sound signature to your preferences without sacrificing sonic purity.

Effortless Control and Connectivity:

  • HEOS® Built-in: Stream music effortlessly from a wide range of popular services, including TIDAL, Deezer, and Airplay, directly through the HEOS® platform.
  • Intuitive Touchscreen Interface: Navigate a comprehensive suite of features with ease using the responsive and informative touchscreen display.
  • HDMI Compatibility (with optional module): Connect up to four HDMI devices for seamless switching between your favorite digital sources.
  • Multiple Digital Inputs: Connect a variety of digital devices with asynchronous USB, AES/EBU, digital coaxial, and optical Toslink inputs.

Designed for Audio Excellence:

  • Premium Materials and Construction: Expertly crafted with high-grade components to ensure exceptional sound quality and long-lasting durability.
  • Pure Analog Mode: Bypass digital processing entirely for purist analog listening.
  • Pass-Thru Mode: Effortlessly switch between music and home theater configurations.

The Foundation for Audio Perfection:

The Classé Delta PRE Mk II Stereo Preamp is the perfect centerpiece for any high-fidelity audio system. Its unmatched control, pristine audio processing, and comprehensive connectivity elevate your listening experience to new heights.

Classé Delta PRE Mk II Stereo Preamp Specifications

Overall Dimensions:

  • Width: 17.48 in (444 mm)
  • Depth (including connectors): 17.64 in (448 mm)
  • Height (including feet): 4.72 in (120 mm)

Weight:

  • Gross Weight: 41.2 lbs (18.7 kg)
  • Net Weight: 29.8 lbs (13.5 kg)

General:

  • Gain Range: -93 dB to +14 dB
  • Channel Matching: 0.05 dB
  • Input Impedance (at 1 kHz, BAL / SE): 50kΩ
  • Output Impedance BAL / SE: 200Ω / 50Ω
  • Maximum Output Level BAL / SE: 18Vrms / 9Vrms

Bypass Mode:

  • Frequency Response (-3dB, 50Ω source impedance): 1Hz – 2MHz
  • Harmonic Distortion (measurement bandwidth: 90kHz):
    • <0.0004% at 1kHz
    • <0.0005% at 10kHz
    • <0.0006% at 20kHz
  • Intermodulation Distortion (measurement bandwidth: 90kHz): <0.001%
  • Maximum Input Level BAL / SE (at 0dB gain):
    • 9Vrms (+21.3dBu)
    • 4.5Vrms (+15.3dBu)
  • Signal-to-Noise Ratio (A wtd) (22kHz BW, ref 9Vrms): 130dB (133dBA)
  • Crosstalk (one channel undriven) (BAL / SE):
    • -143dB (100Hz)
    • -140dB (1kHz)
    • -124dB (10kHz)

Phono Section (0dB Gain, Bypass Mode, XLR2 In, Main XLR Out):

  • RIAA Deviation (20Hz-20kHz): < 0.2dB
  • Selectable Load for MM Type (47k Ω):
    • 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 400pF, 450pF
  • Selectable Load for MC - Low Output: 7.5Ω, 10Ω, 33Ω, 50Ω, 82Ω, 100Ω, 330Ω, 1kΩ
  • Load for MC - High Output: 47kΩ
  • MM, MC - High Output:
    • Gain (1kHz, 20Ω source impedance): 41.5dB
    • SNR (22kHz BW, ref 5mVrms in): 86dB (93dB A-wtd)
    • Max Input Level (overload ref 5mVrms): 11dB (20Hz), 23dB (1kHz), 34dB (10kHz)
  • MC - Low Output:
    • Gain (1kHz, 20Ω source impedance, 1kΩ load): 60dB
    • SNR (20Hz-20kHz): 68dB (74dB A-wtd)
    • Max Input Level (overload ref 0.5mVrms, 1kΩ load): 12dB (20Hz), 31dB (1kHz), 52dB (10kHz)

DAC Section (Digital Inputs, Tone/EQ/Subwoofers Disabled):

  • Frequency Response (-3dB, sweep Fs=192kHz): 5Hz – 90kHz
  • Harmonic Distortion (measurement bandwidth: 90kHz): <0.0015% (20Hz to 20kHz)
  • Dynamic range (-60dBFS, Fs=44.1kHz, A-wtd): 124dB
  • Signal to Noise Ratio (Fs=44.1kHz, A-wtd): 125dB (dBA)

DSP Mode (Tone or EQ Controls Enabled, Set to Flat Unless Noted):

  • Frequency Response (50Ω source impedance, Tone and EQ not enabled): 10Hz – 84.5kHz
  • Harmonic Distortion (measurement bandwidth: 90kHz): <0.002% (20Hz to 20kHz)
  • Maximum input level BAL / SE (at 0dB gain): 5.4Vrms (+2.5dBr) / 2.7Vrms (+2.5dBr)
  • Crosstalk (one channel undriven) (BAL/SE): -105dB(100Hz), -120dB(1kHz), -120dB(10kHz)

Headphone Output:

  • Power (nominal input, 0dB gain, 32 Ω load): 540mW
  • Output Impedance: 6.8Ω

Power Requirements:

  • Standby: 0.2W
  • Wake on LAN: 3.1W
  • Nominal: 35W
  • Max. Power (with optional HDMI board): 55W

HEOS Built-in:

  • Network Connection: Ethernet
  • USB-A Host: WMA, MP3, AAC, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2
  • Ethernet: WMA, MP3, AAC, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2
  • Airplay: Airplay 2
  • Music Service Providers Supported (varies by region, subject to change): Spotify (Connect), Tidal (including Hi Res), Deezer, Amazon Music HD, TuneIn, Pandora, Napster, iHeartRadio, Sirius XM, Soundcloud, MOOD:MIX, AWA, QPlay, Ximalaya, Sony Hi-Res

DAC Inputs:

  • USB-B: 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k, 352.8k, 384k DSD64, DSD128, DSD256 (native – requires Thesycon/Classe driver for Windows), DSD64, DSD128 (DoP)
  • SPDIF (opt, coax, AES/EBU): PCM 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k /DSD64 over SPDIF/

Input / Output Complement:

  • Analog In:
    • BAL / XLR: 2 pairs (XLR2 can be assigned as BAL phono in)
    • SE / RCA: 2 pairs
    • Phono RCA: 1 pair
  • Digital In:
    • USB-F: 1
    • USB-B: 1
    • SPDIF Coaxial: 3
    • SPDIF Optical: 3
    • SPDIF AES / E

Classe Delta Pre MK2 Manual

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