Stereo Integrated Amplifier RA-870BX

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1987
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 307772

 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-870BX - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 109 x 317 mm / 16.9 x 4.3 x 12.5 inch
  • Notes

  • A 2 x 60 watt Hi-Fi stereo integrated amplifier. Rotary controls for Bass, Treble, Volume/Balance and CD Direct Level. Rotary switches for Tone (On, Off, Mono), CD Direct (On, Off), Tape Monitor (2 > 1, Tape1, Source, Tape2, 1 > 2) and Function (AV/Aux1, AV/Aux2, CD, Tuner, Phono). Press buttons for Power and Speaker Remote. Jack for Headphones. Switch on the back for MM/MC selection. Connections for two pairs of loudspeaker.

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

    Input Sensitivity/Impedance :
      Phono (MC).......... 250µV/180Ω
      Phono (MM)......... 2.8mV/47kΩ
      CD, Tuner ........... 150mV/24kΩ
      AV/AUX 1, 2 ....... 150mV/24kΩ
      Tape Monitor 1, 2  150mV/24kΩ

    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)
  • Mentioned in
  • Reviewed by Hi-Fi Choice March 1988
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical Manual for the RA-870BX dated Dec 28 1987)
  • Literature/Schematics (2)
  • Owner's Manual for the RA-870BX
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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