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Hitachi SR-503

AM/FM Stereo Receiver (1977)

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Hitachi SR-503

Specifications

  • Tuning range: FM, MW

    Power output: 20 watts per channel into 8Ω (stereo)

    Frequency response: 20Hz to 20kHz

    Total harmonic distortion: 0.3%

    Damping factor: 25

    Input sensitivity: 2.5mV (MM), 450mV (DIN), 200mV (line)

    Signal to noise ratio: 70dB (MM), 90dB (DIN), 90dB (line)

    Output: 300mV (line), 40mV (DIN)

    Semiconductors: 1 x FET, 4 x IC, 14 x transistors, 18 x diodes

    Dimensions: 435 x 134 x 359mm

    Weight: 7.6kg

    Year: 1977

  • Tuning range: FM, MW, LW

    Power output: 20 watts per channel into 8Ω (stereo)

    Frequency response: 20Hz to 20kHz

    Total harmonic distortion: 0.3%

    Damping factor: 25

    Input sensitivity: 2.5mV (MM), 450mV (DIN), 200mV (line)

    Signal to noise ratio: 70dB (MM), 90dB (line)

    Output: 200mV (line), 40mV (DIN)

    Speaker load impedance: 4Ω (minimum)

    Semiconductors: 1 x FET, 4 x IC, 14 x transistors, 18 x diodes

    Dimensions: 435 x 134 x 359mm

    Weight: 7.6kg

    Year: 1977

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