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Integrated amplifiers — Atoll Electronique IN400 Evolution

Description, images, technical data and specifications

Atoll Electronique IN400 Evolution
Image source — © Atoll Electronique

IN400 Evolution integrated amplifier uses two toroidal transformers(1,050 VA for audio and 1,6 VA for control), bipolar transistor input stages with darlington transistor driver stages, and MOS-FET transistor power stages (8 per channel).

What is it?

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Specifications

  • Model name

    IN400 Evolution

  • Type

    Integrated amplifier

  • Analog inputs (balanced)

    2

  • Analog inputs (single-ended)

    5

  • Input sensitivity (mV)

    450

  • Input impedance (balanced) (Ω)

    357000

  • Input impedance (single-ended) (Ω)

    357000

  • 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)

    N/A

  • Output power (8Ω) (W)

    2 x 160

  • Output power (4Ω) (W)

    2 x 300

  • Gain (dBu)

    N/A

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

    5

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

    100000

  • Signal to Noise Ratio (dB)

    100

  • Total Harmonic Distortion + Noise (%)

    0,05

  • Damping factor

    N/A

  • Dimensions (mm)

    440×370×130

  • Weight (kg)

    19.5

  • Official link

    https://www.atoll-electronique.com/en/products/line-400/in400-evolution/

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