AM/FM Stereo Tuner RT-824

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1976 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 150322

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 100; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner RT-824 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 140 x 330 mm / 16.9 x 5.5 x 13 inch
  • Notes

  • An AM/FM stereo hi-fi tuner covering MW and FM housed in a wooden case. With Signal Strength Tuning meter, FM Tuning meter, jack for Headphones, rotary Headphones Output Level and Line Output Level controls, rotary Function switch (AM, FM Auto, Stereo Only, FM Mono), push button switches for Hi-Blend, Multipath and Muting, an adjustable AM ferrite bar aerial on the back, terminals for AM and FM antennae, RCA phono sockets for Fixed and Variable Line Output and FM Detector Output, and a switched AC outlet.

    Specification  
    FM Section  
    Usable Sensitivity  
      IHF
      50 dB Quieting    		 1.6µV
    3µV
    Signal-to-Noise Ratio >70dB
    Harmonic Distortion  
     Mono
     Stereo    		 <0.2%
    <0.4%
    Selectivity Alternate Channel 80dB
    Capture Ratio 1.0dB
    Stereo Separation at 1 kHz 40dB
    Spurious Response Rejection >110dB
    IF Rejection >110dB
    Image Rejection >110dB
    Output Level  
     Fixed
     Variable    		 775 mV
    0 - 1.5V
    Dial Calibration Tolerance ±200 kHz
    Antenna 300Ω balanced, 75Ω unbalanced
    AM Section  
    AM Sensitivity IHF 150µV/m
    Image Rejection >80dB
    IF Rejection >80dB
    Signal-to-Noise Ratio 55dB
    Selectivity  40dB
    Antenna  ferrite loopstick
  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • Source of data
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual RT-824)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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