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Preamplifiers — Concert Fidelity CLS-050 Mk2

Description, images, technical data and specifications

Concert Fidelity CLS-050 Mk2
Image source — © Concert Fidelity

Concert Fidelity CLS‑050 Mk2 is a premium-class tube preamplifier. It delivers music with natural warmth and high detail, highlighting subtle nuances of the sound. The device’s concise, elegant design seamlessly complements high‑end audio systems, and its well‑thought‑out circuitry ensures a clean, balanced, and expressive sound.

Specifications

  • Model name

    CLS-050 Mk2

  • Analog inputs (balanced)

    1

  • Analog inputs (single-ended)

    4

  • Analog outputs (balanced)

    1

  • Analog outputs (single-ended)

    2

  • Gain (dBu)

    N/A

  • Input sensitivity (mV)

    N/A

  • Output voltage (V)

    N/A

  • Input impedance (balanced) (Ω)

    50 000

  • Input impedance (single-ended) (Ω)

    100 000

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Maximum output level (balanced) (dBu)

    N/A

  • Maximum output level (single-ended) (dBu)

    N/A

  • Volume control range (dBu)

    N/A

  • Frequency response low +/- 3dB (Hz)

    N/A

  • Frequency response high +/- 3dB (Hz)

    N/A

  • Signal to Noise Ratio (SNR, unweighted) (dB)

    N/A

  • Total Harmonic Distortion + Noise (THD+N) (%)

    N/A

  • Dimensions (mm)

    450 x 140 x 310

  • Weight (kg)

    14

  • Official link