Hitachi SR-2004

Data

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

• Other models in the same series:
• Hitachi SR-504
• Hitachi SR-604
• Hitachi SR-804
• Hitachi SR-904
• Hitachi SR-2004

Pictures

• Image: Hitachi SR-2004

• Instruction manual: Hitachi SR-2004

Links

• http://www.chrisinmotion.com/myfavoritereceivers.htm#2004