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Integrated amplifiers — Luxman L550AXII

Description, images, technical data and specifications

Luxman L550AXII
Image source — © Luxman

The Luxman L-550AX II is a modified version (Mark 2) of the L-550AX amplifier, released in 2011. The L-550AX II debuts with a precision electronically controlled LECUA attenuator and the latest version of the proprietary Distortion-Only Negative Feedback circuit, ODNF 4.0, which are used in Luxman's highest-end amplifiers.

Specifications

  • Model name

    L-550AXII

  • Type

    Integrated Amplifier with Phono

  • Analog inputs (balanced)

    1

  • Analog inputs (single-ended)

    4 + 1 (Phono)

  • Input sensitivity (mV)

    180

  • Input impedance (balanced) (Ω)

    55 000

  • Input impedance (single-ended) (Ω)

    47 000

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • D/A conversion

    N/A

  • Phono MM/MC current-sensing input impedance (Ω)

    47 000 (MM) + 100 (MC)

  • Output power (8Ω) (W)

    20

  • Output power (4Ω) (W)

    40

  • Gain (dBu)

    N/A

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

    20

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

    100 000

  • Signal to Noise Ratio (dB)

    105

  • Total Harmonic Distortion + Noise (%)

    0.02

  • Damping factor

    200

  • Dimensions (mm)

    440 x 178 x 454

  • Weight (kg)

    24.3

  • Official link

    https://www.luxman.com/product/detail.php?id=3

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