Stereo Integrated Amplifier RA-550

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1980 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 307739

Click on the schematic thumbnail to request the schematic as a free document.

 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
  • 80 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier RA-550 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 94 x 281 mm / 16.9 x 3.7 x 11.1 inch
  • Notes

  • A 2 x 40 watt integrated hi-fi amplifier. Rotary controls for Bass, Treble, Balance, Phono Selection (MM or MC) and Volume. Press buttons for Power, Speaker (A/B), Subsonic Filter, Mode (Stereo/Mono), Power Indicators Sensitivity Selector, Loudness, Muting, Tape1, Tape2, Aux, Tuner and Phono. 2 x 6 LED Left and Right Power Indicators. Jack for Headphones.

    Continuous Power Output :
    40 watts per channel, min. RMS both channels driven at 8 ohms
    from 20Hz to 20kHz with no more than 0.08% Total Harmonic Distortion
    Damping Factor : 50 (20Hz to 20kHz, 8 ohms)
    Input Sensitivity/Impedance :
      Phono (MM) ..... 2.5mV/47k ohms
      Phono (MC) ..... 0.2mV/30 ohms
      Tuner/Aux/Tape 150mV/33k ohms

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

  • Net weight (2.2 lb = 1 kg)
  • 7.4 kg / 16 lb 4.8 oz (16.3 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for the RA-550)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical Manual for the RA-500 & RA-550 dated Jun 80)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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