Stereo Integrated Amplifier RA-500

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1980
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 288433

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; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 60 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier RA-500 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 94 x 281 mm / 16.9 x 3.7 x 11.1 inch
  • Notes

  • A stereo hi-fi integrated amplifier housed in a wooden case with a silver or black metal front with power output of 2 x 30 watts RMS into 8 ohms. With Left and Right channel output Power indicators, rotary Bass and Treble tone controls, push buttons for Speakers A and B, Tape 1, Tape 2, Aux, Tuner, Phono, Subsonic Filter, Mode, Power Indicator Sensitivity selector, and Loudness, RCA phono sockets for Phono, Tuner and Aux input  Tape Monitor input/output, DIN socket for Tape Monitor 2, terminals for 2 pairs of loudspeakers and a jack for Headphones.

    Specification  
    Continuous Power Output 30 watts per channel, min. RMS into 8Ω
    from 20 to 20,000Hz with no more than
    0.08% total harmonic distortion
    Total Harmonic Distortion
    (20 to 20,000Hz, from AUX)    		 No more than 0.08%
    (continuous rated power output)
    Intermodulation Distortion
    (60Hz : 7kHz = 4 : 1)    		 No more than 0.08%
    (continuous rated power output)
    Damping Factor 35 (20 - 20,000Hz, 8Ω)
    Input Sensitivity/Impedance PHONO             2.5mV/47kΩ
    TUNER, AUX, TAPE  150mV/33kΩ
    Hum & Noise (IHF, A network) PHONO             80dB
    TUNER, AUX, TAPE  95dB
    Subsonic Filter 6dB/oct. (20Hz)

    Versions/Power requirements
    120V AC 60Hz
    220V AC 50Hz
    240V AC 50Hz
    120, 220, 240V AC 50/60Hz with voltage selector

    Power Consumption:  240 watts

  • Net weight (2.2 lb = 1 kg)
  • 7.3 kg / 16 lb 1.3 oz (16.079 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual RT-500)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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