Hitachi IA-1200

Data

General

• Manufacturer: Hitachi
• Model: IA-1200
• Type: Quadrophonic integrated amplifier
• Years of manufacture: 1970 - 1974
• Made in: Japan
• Color: Silver, wooden cabinet
• Power consumption: 400 W max.
• Dimensions: 420 x 140 x 320 mm (WxHxD)
• Weight: 12 kg
• Original price approx.: 98'000 Yen (Japan, 1970), 1'500 DM

Connections

• Number of inputs:
  • Phono 1 MM: 1.5 mV / 50 kOhm.
  • Phono 2 MM: 5 mV / 50 kOhm
  • Microphone: 1,5 mV / 10 kOhm
  • Tuner: 150 mV / 100 kOhm

Aux: 150 mV / 100 kOhm

• • Tape Head: 1.5 mV / 100 kOhm (1kHz), 300 kOhm (3kHz)

Tape Play: 300 mV / 100 kOhm, ± 2 dB

• • Main In: 3 V / 10 kOhm
• Number of outputs:
  • Tape Rec Out: 200 mV ± 2 dB, 10 kOhm.
  • Tape Rec DIN Out: 50 mV ± 2 dB, 10 kOhm
  • Pre Out: 1 V / 50 kOhm
  • 2 headphone outputs (6.3 mm jack each, front/rear)
  • 2 speaker pairs

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 4x 30 W (20 - 20'000 Hz)
  • 4 Ohm:
• Dynamic power
  • 8 Ohm: 200 Watt
  • 4 Ohm:
• Total harmonic distortion: < 0.5 %
• Attenuation factor: 40
• Frequency response: 20 - 50'000, + 0 dB, - 1 dB
• Signal-to-noise ratio:
  • Phono: 80 dB
  • Tuner, Tape: 90 dB
• Tone control:
  • Bass: ± 12 dB (at 100 Hz)

Treble: ± 12 dB (at 10 kHz) Loudness: Yes

• • High Filter: - 8 dB at 10 kHz
  • Low Filter: - 8 dB at 30 Hz
  • 3-D Filter: 18 dB / octave at 150 Hz

Special Features

• Quadrophonic amplifier

3-D filter

Remarks

• Other models in the same series:
• Hitachi IA-600
• Hitachi IA-1000
• Hitachi IA-1200

Pictures

• Image: Hitachi IA-1200

Reports

• Review at "Good Old Hifi": [[1]]