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Audio Research D-79

High Definition Power Amplifier (1979-82)

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Audio Research D-79

Specifications

  • Power output: 75 watts per channel into 16Ω (stereo)

    Total harmonic distortion: 1%

    Damping factor: 8

    Input sensitivity: 0.75V

    Signal to noise ratio: 80dB

    Valve complement: 6 x 12AX7, 8 x 6FQ7, 5 x 6550

    Dimensions: 19 x 10.5 x 17.25 inches

    Weight: 41kg

    Finish: anodized aluminium front panel

    Year: 1979

    Price: USD $3250 (1979)

  • Power output: 75 watts per channel into 16Ω (stereo)

    Total harmonic distortion: 1%

    Input sensitivity: 0.75V

    Signal to noise ratio: 80dB

    Valve complement: 1 x 6922, 4 x 12AX7, 2 x 6FQ7, 5 x 6550, 1 x 12BH7

    Year: 1981

    Price: USD $3,950 (1981)

  • Power output: 75 watts per channel into 16Ω (stereo)

    Total harmonic distortion: 1%

    Damping factor: 15

    Input sensitivity: 0.75V

    Signal to noise ratio: 80dB

    Valve complement: 9 x 6922, 5 x 6550, 1 x 12AT7, 1 x 12BH7

    Dimensions: 19 x 10.5 x 17.25 inches

    Weight: 38.8kg

  • Power output: 75 watts per channel into 16Ω (stereo)

    Total harmonic distortion: 1%

    Damping factor: 15

    Input sensitivity: 0.75V

    Signal to noise ratio: 80dB

    Price: USD $6,000

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