Integrated Stereo Amplifier RA-311

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1974
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 288415

 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) / 100, 117, 220, 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 40 W (48 W max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Integrated Stereo Amplifier RA-311 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 14 x 4.5 x 7.5 inch / 356 x 114 x 191 mm
  • Notes

  • A hi-fi stereo integrated amplifier housed in a wooden case with rated output power of 20 watts RMS per channel into 8 ohms, both channels driven. Rotary Bass and Treble tone controls, rotary swich for Speakers 1, 2 and 4 channel, push button switches for High Filter, Loudness, Mode (stereo/mono) and Tape 1 and 2 Monitoring, RCA phono sockets for Magnetic and Ceramic Phono cartridges, Tuner, Aux and 2 x Tape inputs and for 2 x Tape outputs, DIN socket for Tape input/output, two AC outlets, terminals for two pairs of loudspeakers and a jack for headphones. 

    Specification  
    Continuous Power (RMS): 20 watts per channel into 8Ω,
    24 watts both channels driven into 4Ω.
    Harmonic Distortion: less than 0.15% at 18w/ch RMS, 8Ω, 1kHz
    IM Distortion: 0.5% at 20w/ch
    Frequency Response:  15-70,000 Hz +0dB, -3dB at 8Ω
    Power Bandwidth (IHF): 20-50,000 Hz at 8Ω
    Damping Factor: 35 at 8Ω
    Speaker Impedance: 4 - 16Ω
    Hum and Noise:  
     PHONO 1, PHONO 2
     TUNER, AUX1, AUX2, TAPE IN
     Residual Noise    		 65dB
    75dB
    1.5mV
    Input Sensitivity/Impedance:  
     PHONO (MAG)
     PHONO (CER)
     TUNER, AUX1, AUX2, TAPE IN
     TAPE MONITOR IN, DIN, 1 & 2
     DIN OUT            		 2.5mV/ 40kΩ
    140mV/94kΩ
    170mV/46kΩ
    150mV/45kΩ
    30mV/80kΩ
    Phono Equalizer RIAA ±1dB 50 to 15,000Hz
    High Filter -10dB at 10kHz
    Crosstalk   -45dB at 10kHz

    Power Requirements:     100V or 117V or 220V or 230V or 240V AC 50/60Hz.
    Power Consumption:      150 watts maximum

  • 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-311)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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