Stereo Integrated Amplifier RA-314

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1978 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 209799

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
  • 50 W (60 W max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier RA-314 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 114 x 273 mm / 16.9 x 4.5 x 10.7 inch
  • Notes

  • A hi-fi stereo integrated amplifier housed in a wooden Case with an aluminium front.
    With Left and Right Power Output meters, rotary Bass and Treble controls, rotary Tape Monitor and Function (Tuner, Phono, Aux) switches, push button switches for Speakers A and B, Low and High Filters, Loudness and Mode (Mono/Stereo), phono sockets for MM and Ceramic cartridges, Tuner and Aux input and for Tape Monitor 1 input/output, DIN sockets for cartridge input and for Tape Monitor 2 input/output, terminals for two pairs of loudspeakers, a jack for headphones and two AC outlets on some models.

    Specification  
    Power Amplifier Section  
    Continuous Power Output 25 watts per channel RMS both channels driven into 8Ω or
    or 30 watts per channel both channels driven into 4Ω
    from 20 to 20,000 Hz with no more than 0.07% Total Harmonic Distortion
    Intermodulation Distortion
    (continuous rated power output)    		 No more than 0.07%
    Output  
      Speaker
      Headphone    		 A, B (4 - 16Ω), A + B (8 - 16Ω)
    4 - 16Ω
    Damping Factor 35 (20 to 20,000Hz, 8Ω)
    Pre Amplifier Section  
    Input Sensitivity/Impedance  
      PHONO
      PHONO CER
      AUX
      TAPE IN
      TAPE IN (DIN Connector)    		 2.5mV/45kΩ
    120mV 280kΩ
    150mV/40kΩ
    150mV/40kΩ
    150mV/40kΩ
    Output Level/Impedance
     (5mV PHONO input)        		  
      TAPE OUT
      TAPE OUT (DIN connector)    		 300mV/1kΩ
    100mV/90kΩ
    Frequency Response  
      PHONO (RIAA Equalization)
      AUX, TAPE IN    		 30Hz-15,000Hz +0.5dB,-1.0dB
    7Hz-50,000Hz +1dB,-1dB
    Filter  
      LOW
      HIGH    		 30Hz  (12dB/oct.)
    10kHz (12dB/oct.)
    Hum & Noise (IHF, short circuited A network, rated Power)  
      PHONO          
      AUX, TAPE IN      		 78dB
    92dB

    Versions/Power requirements
    120V AC 60Hz
    220V AC 50Hz
    240V AC 50Hz
    120/220/240V AC 50/60 Hz (switchable)

    Power Consumption:  200 watts max.

  • Net weight (2.2 lb = 1 kg)
  • 8 kg / 17 lb 9.9 oz (17.621 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual RA-314)
  • Literature/Schematics (2)
  • Technical manual RA-314 RA-414 dated Oct 1978
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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