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Headphone Amplifier

AT-HA22TUBE
  • 2 vacuum tubes in pre-amplifier resulting in a thick rich sound that only tube amplifiers can attain.
  • Independent Left and Right vacuum tube circuit faithfully reproduces hi-resolution sound.
  • Design employs a hybrid system using both the vacum tubes and semiconductor technology.
  • Die-cast aluminum case suppresses unnecessary vibration and distortion.
  • A convenient line-through output function allows the use of an AV system or other AV devices.
  • Equipped Ø6.3mm and Ø3.5mm stereo jacks, two headphones can be used at the same time using the front panels dual outputs.

    • AT-HA22TUBE Specifications

    Maximum Output Power

    500mW + 500mW (16Ω、T.H.D 10%)
    300mW + 300mW (32Ω、T.H.D 10%)
    150mW + 300mW (64Ω、T.H.D 10%)
    60mW + 60mW (150Ω、T.H.D 10%)
    30mW + 30mW (300Ω、T.H.D 10%)
    Frequency Response

    10 - 100,000 Hz (-3dB)
    Total Harmonic Distortion

    <0.25％ (32Ω、20mW Output)
    Signal-To-Noise Ratio

    >100dB
    Power Supply

    DC 15V 1.2mA (include AC adapter)

    Input Connections

    Line Level Analog Input (RCA x 2)
    Input Attenuation

    0dB、-12dB
    Output Connector

    Ø3.5mm and Ø6.3mm Headphone Outputs, Line Level Analog Output (RCA x 2)
    Dimensions

    H79mm x W105mm x D142mm
    Weight

    615 g
    Accessories Furnished

    AC adapter
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