Integrated Stereo Amplifier RA-820

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1982
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 288055

 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
  • 50 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Integrated Stereo Amplifier RA-820 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 66 x 271 mm / 16.9 x 2.6 x 10.7 inch
  • Notes

  • A hi-fi stereo integrated amplifier with power output of 2 x 25 watts both channels driven into 8 Ω. With rotary Bass and Treble controls, push button switches for Speakers (A, A+B), Mono, Tape, Tuner, CD and Phono, RCA phono sockets for Phono, Tuner and Aux input and for Tape input/output, terminals for 2 pairs of loudspeakers and a jack for headphones.

    Specification  
    Continuous Power Output 25 watts per channel, min. RMS
    both channels driven into 8Ω
    from 30 to 20,000 Hz
    with no more than 0.4% THD
    Total Harmonic Distortion
    (30 to 20,000 Hz, from AUX)    		 No more than 0.4%
    (continuous rated power output)
    lntermodulation Distortion
    (60 Hz : 7 kHz = 4 : 1)    		 No more than 0.4%
    (continuous rated power output)
    Output: Speaker
                Headphone    		 8-16Ω
    4-16Ω
    Damping Factor 20 (20 - 20,000 Hz, 8Ω)
    Input Sensitivity/Impedance PHONO  2.5 mV/47kΩ
    CD         750 mV/70kΩ
    TUNER  150 mV/33kΩ
    TAPE MONITOR  150 mV/33kΩ
    Frequency Response PHONO  20 - 15,000 Hz, ±0.3dB (RIAA STD)
    CD, TUNER, TAPE  10 - 40,000 Hz, +1.0dB,-3.0 dB
    Signal to Noise Ratio
    (IHF, A network)    		 PHONO              75dB
    CD, TUNER         95dB
    TAPE MONITOR  95dB

    Versions/Power Requirements:
    120V AC 60Hz
    220V AC 50Hz
    240V AC 50Hz
    120, 220, 240V AC 50/60Hz switchable

    Power Consumption:   170 Watts

  • Net weight (2.2 lb = 1 kg)
  • 5.5 kg / 12 lb 1.8 oz (12.115 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual RA-820)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical manual RA-820)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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