Integrated Stereo Amplifier RA-812

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1976 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 150289

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 100 or 120 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 90 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Integrated Stereo Amplifier RA-812 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 140 x 330 mm / 16.9 x 5.5 x 13 inch
  • Notes

  • A 2 x 45 watt integrated hi-fi amplifier. Rotary controls for Bass, Treble, Volume/Balance and Microphone Mixing level. Rotary switches for Speakers (Off, 1, 2, 1+2, Speaker 4 CH), Tape Monitor (1 > 2, 1 Play, Source, 2 Play,  2 > 1) and Function (Phono 2, Phono 1, Tuner, Aux1, Aux2). Push button for Power. Switches for Subsonic Filter, Low Filter, High Filter, Tone Defeat, Stereo/Mono, Loudness and Muting (-15dB). Left and Right Power Meters. Jacks for Headphones and Microphone. Connections for two pairs of loudspeakers.

    Continuous Power Output :
    45 watts per channel, min. RMS both channels driven into 8 ohms
    from 20Hz to 20kHz with no more than 0.3% Total Harmonic Distortion
    Intermodulation Distortion : < 0.1% at rated output
    Frequency Response :  5Hz - 150kHz ± 3dB at 1 watt per channel
    Speaker Impedance  :  A, B (4 to 16Ω), A+B (8 to 16Ω)

    Versions/Power Requirements
    100/120/220/240 V AC 50-60Hz Switchable

    Stereo-Verstärker, 2 x 65 Watt Sinus/4 Ohm, max. Klirrfaktor 0,3%; 5 - 150.000 Hz.

  • Source of data
  • -- Original prospect or advert
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical Manual for the RA-612 & RA-812)
  • Literature/Schematics (3)
  • - - Manufacturers Literature (Owner's Manual for the RA-812)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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