Hitachi SR-2004

Data[edit]

General

  • Manufacturer: Hitachi
  • Model: SR-2004
  • Type: Receiver
  • Years of manufacture: 1978 - 1980
  • Made in: Japan
  • Color: Silver
  • Remote control: no
  • Power consumption: 850 W
  • Dimensions: 580 x 186 x 447 mm (WxHxD)
  • Weight: 25,5 kg
  • Original price approx.: 1'190 US-$, corresponds to about 3'800 DM


Connections

  • Number of inputs:
    • phono 1, 2: 2.5 mV / 47 kOhm
    • Microphone: 3 mV / 50 kOhm
    • Aux: 150 mV / 50 kOhm
    • Tape Play 1, 2: 150 mV / 35 kOhm
    • Tape Play DIN 1, 2: 450 mV / 95 kOhm

Adapter: 150 mV / 35 kOhm

    • Antenna FM / MW: 75 Ohm / 300 Ohm
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV
    • Tape Rec DIN 1, 2: 40 mV

Headphones

    • 3 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (DIN)

8 Ohm: 2x 200 W (RMS, 20 - 20'000 Hz) 4 Ohm: 2x 230 W

  • Dynamic power
    • 8 Ohm: 2x 400 W
    • 4 Ohm:
  • Total harmonic distortion: 0.08% (at nominal power)
  • Attenuation factor: 75
  • Frequency response:
    • Phono: 30 - 15'000 Hz, ± 0,2 dB

High level: 10 - 40'000 Hz, ± 1,5 dB

    • Power bandwidth: 10 - 40'000 Hz
  • Signal-to-noise ratio: (extraneous voltage)
    • Phono: 75 dB
    • High level: 90 dB
  • Tone control:
    • Bass: ± 10 dB at 50 Hz, 100 Hz
      • Tilt frequencies: 150 Hz, 300 Hz
    • Mids: ± 6 dB at 1 kHz

Treble: ± 10 dB at 10 kHz, 20 kHz

      • Tilt frequencies: 3 kHz, 6 kHz
  • Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
  • High Filter: - 10 dB at 10 kHz, 12 dB / octave
  • Low Filter (Subsonic): - 10 dB at 50 Hz, 12 dB / octave

Mute: switchable 0 dB, - 20 dB, - 40 dB


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 88 - 108 MHz

MW: 530 - 1'605 kHz

  • Frequency response: 30 - 15'000 Hz, + 0,5 dB, - 1 dB
  • Input sensitivity:
    • VHF: 1.5 µV

MW: 20 µV

  • Distortion factor:
    • FM: 0.1% (mono), 0.25% (stereo)

MW: 0.2% Signal-to-noise ratio:

    • FM: 75 dB / 70 dB (mono/stereo).
    • MW: 65 dB
  • Channel separation: 50 dB
  • Selectivity:
    • FM: 85 dB
    • MW: 40 dB
  • Equal wave selection:
    • FM: 1 dB
  • Spurious wave selection: 120 dB
  • Image frequency attenuation:
    • FM: 115 dB

MW: 70 dB

  • IF attenuation:
    • FM: 115 dB
    • MW: 90 dB
  • AM suppression: 60 dB


Special Features

  • Pre-/power stage separable
  • 2 VU meters
  • Microphone Mixer
  • FM Muting, Auto Lock
  • FM MPX noise filter
  • IF filter switchable, Narrow / Wide


Remarks[edit]


Pictures[edit]

  • Image: Hitachi SR-2004

Hitachi SR-2004-1.jpg


  • Instruction manual: Hitachi SR-2004

Hitachi SR-2004-4.jpg


Reports[edit]

Links[edit]