Stereo Integrated Amplifier RA-400

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1981
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 288590

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
  • 44 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier RA-400 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 66 x 274 mm / 16.9 x 2.6 x 10.8 inch
  • Notes

  • A hi-fi stereo integrated amplifier with continuous power output of 2 x 22 WRMS both channels driven into 8 ohms. With a 5 LED Power Output indicator, rotary bass and treble tone controls, a rotary Function switch (Tuner, Phono, Aux), push button switches for Speakers A and B, Loudness, tape Monitor, RCA phono sockets for Phono, Tuner, Aux input and Tape Monitor input/output, terminals for 2 pairs of loudspeakers and a jack for headphones.

    There is also a DC 16 V, 170 mA socket on the back to power the Rotel RT-400 AM/FM Stereo Tuner or the Rotel RT-400L MW/LW/FM Stereo Tuner.

    Specification  
    Continuous Power Output 22 watts per channel, min. RMS
    both channels driven into 8Ω from 20 to 20,000Hz
    with no more than 0.08% Total Harmonic Distortion
    Intermodulation Distortion
    (60Hz : 7kHz = 4 : 1)    		 No more than 0.08%
    (continuous rated output power)
    Output: Speaker
                Headphone    		 A, B (4-16Ω); A + B (8-16Ω)
    4-16Ω
    Damping Factor 38 (20 - 20,000Hz, 8Ω)
    Input Sensitivity/Impedance PHONO (MAG)  2.5mV/47kΩ
    AUX                 150mV/33kΩ
    TAPE IN           150mV/33kΩ
    Output Level/Impedance TAPE OUT        280mV/1kΩ
    Frequency Response PHONO  30 - 15,000Hz, +0.3dB,-0.3dB (RIAA STD)
    AUX, TAPE IN  10 - 60,000Hz, +0,3dB,-2.0dB
    Signal-to-Noise Ratio
    (IHF, A network)    		 PHONO           82dB
    AUX, TAPE IN  90dB

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

    Power Consumption:   85 Watts

  • Net weight (2.2 lb = 1 kg)
  • 5.2 kg / 11 lb 7.3 oz (11.454 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual RA-400)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical manual RA-400)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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