Classe DELTAPRE Pre-Amplifier

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Classe DELTAPRE Pre Amplifier


The Delta PRE is the foundation of your perfect system. Designed to connect to a range of sources, the PRE will exact the highest performance from every recording, whether analog or digital. Pre-amplifiers provide clean and controlled signals to the power stage. Both precision and perfection are required, and are delivered by Delta PRE.

Audiophiles, recording professionals and equipment reviewers trust Classé amplifiers as a source of sonic truth. Delta Series allows listeners to experience that truth in their own homes.

Every detail of the Delta Series is perfected by hand in our unique production facility in Japan to deliver powerful, natural, expansive sound with minimal noise or distortion.

As the component you’re most likely to touch, the design of Delta PRE matches its exceptional acoustic performance.

Any interacting with Delta PRE is pure pleasure, from the superb cool-to-the-touch materials, to the precise tactile feedback of the volume control.

Touchscreen control reflects Delta PRE’s outstanding capability : pure analog clarity, advanced digital precision, confident, capable power and expressive sound.

Gain Range Y-93dB to +14dB
Channel Matching: 0.05dB


Input Impedance (at 1kHz, BAL / SE) 50kΩ
Output Impedance BAL / SE: 200Ω / 50Ω
Maximum Output Level BAL / SE: 18Vrms / 9Vrms
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

Bypass Mode

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)
USB-F: 1
USB-B: 1

Digital In

SPDIF Coaxial: 3
SPDIF Optical: 3
Ethernet 1
HDMI *(optional): 1* (HDMI 2.0b w/HDCP 2.2)


BAL / XLRt: 5 (configurable: 2pairs+1sub,
1pair+1sub pair,…)
SE / RCA 5 (configurable: 2pairs+1sub, 1pair+1sub pair,…)
Dimensions: 444 x 449 x 121


Weight Net: 13.5 Kg
Gross Weight : 18.7 Kg


  • Network, USB, AES/EBU, coax and optical inputs with optional HDMI
  • XLR and RCA inputs
  • Short signal paths to minimise signal interference
  • Custom-made Navcom® feet absorb and reduce vibrations
  • High-performance onboard MC/MM Phono stage supports up to two phono inputs
  • Rhodium-plated connectors for excellent and secure contacts