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Integrated Stereo Amplifier E-270 Accuphase Laboratory, Inc.

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  • Integrated Stereo AmplifierE-270

    Accuphase Laboratory, Inc.

  • Improvement of power supply Increased custom made capacitors

    22,000F x 2 pieces 30,000F x 2 pieces

    Accuphase Laboratory, Inc.E-260 E-270

  • Rated output power Class-AB 120W / channel into 4

    8E-260 90W

    Accuphase Laboratory, Inc.

    8

    4

    E-270 90W

    E-270 120W

    E-260 115W

    4% up

  • Ultra Low Noise Lower noise than the former model E-260

    Actual noise voltage of speaker output: [email protected] position: -30dB

    Accuphase Laboratory, Inc.

    35V

    EEEE----260260260260

    EEEE----270270270270

    45V

    23% downActual output noise voltage

  • Technology for ultra low noise AAVA re-designed for low noise

    Paralleled V-I converter in larger two units Low-impedance feedback network I-V converter

    ParalleledParalleledParalleledParalleled

    Accuphase Laboratory, Inc.

    AAVA: Accuphase Analog Vari-gain Amplifier

    I-V converter

    Low impedanceLow impedanceLow impedanceLow impedance

  • Technology for ultra low noise Re-designed power amplifier for low noise

    Low-impedance feedback network

    Low impedanceLow impedanceLow impedanceLow impedance

    Accuphase Laboratory, Inc.

    Power amplifier block with instrumentation amplifier configuration

  • Super high Damping-Factor Two times higher than E-260

    Damping Factor: 400 guaranteed

    100% up

    Accuphase Laboratory, Inc.

    400

    800

    200

    Guaranteed Damping-Factor

    EEEE----260260260260

    EEEE----270270270270

  • Balanced Remote-sensing Feedback from speaker terminal proximity Signal-line and GND-line sensing

    Signal sensing

    Technology for high DF

    Accuphase Laboratory, Inc.

    Signal sensing

    Speaker terminal

    Power Amplifier

    +

    -

    Signal

    GND

    GND sensing

  • Speaker protection equipped with MOSFET Short signal path configuration

    Technology for high DF

    Accuphase Laboratory, Inc.Protection AssemblyOn-resistance: 2.6 m

    MOS-FET switch

  • Ready for the option board DAC-40 Sampling frequency on the front display Possible to choose input source manually

    Further more

    Accuphase Laboratory, Inc.

    high-quality remote commander

    Multi function display Input selector for DAC