Stereo Integrated Amplifier RA-870

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1984 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 307771

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 120 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier RA-870 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 91 x 317 mm / 16.9 x 3.6 x 12.5 inch
  • Notes

  • A 2 x 60 watt Hi-Fi stereo integrated amplifier. Rotary control for Volume/Balance. Rotary switches for Mode (Reverse, Stereo, Mono), Tape Monitor (Tape1, Source, Tape2, 1 > 2) and Phono select (MM, MC). Press buttons for Power, Phono, CD and Tuner. Jack for Headphones.

    Continuous Power Output :
    60 watts per channel, min. RMS both channels driven into 8Ω
    from 20Hz to 20kHz with no more than 0.03% Total Harmonic Distortion

    Speaker load impedance       : 8 - 16Ω
    Headphones load impedance : 4 - 16Ω

    Input Sensitivity/Impedance :
      Phono (MC).......... 0.2mV/200Ω
      Phono (MM)......... 2.5mV/47kΩ
      CD...................... 750mV/39kΩ
      Tuner ................. 150mV/47kΩ
      Tape Monitor.1, 2. 150mV/47kΩ

    Versions/Power Requirements
    120 V AC 60Hz
    220 V AC 50Hz
    240 V AC 50Hz
    120/220/240 V AC 50/60Hz Switchable (Not available in UK, Canada and Scandinavia)

  • Net weight (2.2 lb = 1 kg)
  • 9.8 kg / 21 lb 9.4 oz (21.586 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical Manual Stereo Pre-Main Ampifier RA-870)
  • Literature/Schematics (2)
  • Owner's Manual for the RA-870
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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