Mitsubishi DA-U 680

Data

General

• Manufacturer: Mitsubishi
• Model: DA-U 680
• Type: Integrated amplifier
• Years of manufacture: 1978 - 1980
• Made in: Japan
• Color: Silver
• Remote control: no
• Power consumption: 360 W
• Dimensions (WxHxD): 480 x 155 x 385 mm
• Weight: 14 kg
• Original price approx.: 1'000 DM

Connections

• Number of inputs:
  • Phono MM: 2 mV / 47 kOhm, 380 mV max.
  • Phono MC: 0.1 mV / 12 Ohm, 19 mV max.
  • Tuner: 135 mV / 66 kOhm, 12 V max.

Aux: 135 mV / 66 kOhm, 12 V max. Tape Play 1, 2: 135 mV / 66 kOhm, 12 V max.

• • Tape Play DIN 1, 2:
  • Main In: 880 mV / 96 kOhm, 1080 mV max.
  • Antenna FM / MW: 75 Ohm / 300 Ohm.
• Number of outputs:
  • Tape Rec 1, 2: 135 mV, 500 Ohm
  • Tape Rec DIN 1, 2:
  • Pre Out: 880 mV, 560 Ohm
  • Headphones
  • 2 pairs of speakers

Technical Data

Amplifier

• Continuous power (DIN)

8 Ohm: 2x 85 W (RMS, 20 - 20'000 Hz)

• • 4 Ohm:
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.2 % (at nominal power)
• Attenuation factor: 23
• Frequency response: 10 - 30'000 Hz, ± 1 dB
• Signal-to-noise ratio:
  • Phono: 70 dB
  • High level: 80 dB
• Tone control:
  • Bass: ± 10 dB at 100 Hz
    • Tilt frequencies: 250 Hz, 500 Hz

Treble: ± 10 dB at 10 kHz

• • • Tilt frequencies: 2.5 kHz, 5 kHz
• Loudness:
• High Filter:
• Low Filter (Subsonic): - 5 dB at 18 Hz, 12 dB / Octave
• Mute: - 20 dB

Special Features

• LED power indicators
• Tone linear switch
• Tape Dubbing

Remarks

• Other models in the same series:
• Mitsubishi DA-U 540
• Mitsubishi DA-U 640
• Mitsubishi DA-U 680
• Mitsubishi DA-U 780

Pictures

• [[Picture: Mitsubishi DA-U 680

Reports

• Report at "Good Old Hifi": [[1]]