AM/FM Stereo Tuner RT-724

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1976 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 150321

 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
  • Metal case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner RT-724 - 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 metal case. Rotary Output Level control, Rotary Function switch (AM, FM, FM Stereo), push button switches for Hi-Blend 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.

    Specification  
    FM Section  
    Usable Sensitivity Mono 10.3dBf (1.8µV)
     50dB Quieting  
      Mono
      Stereo    		 16dBf (3.5µV)
    38dBf (44µV)
    Signal-to-Noise Ratio at 65dBf  
     Mono
     Stereo    		 75dB
    70dB
    Distortion at 65dBf  
     Mono
     Stereo    		 <0.15%
    <0.3%
    Selectivity Alternate Channel 75dB
    Capture Ratio 2.0dB
    Stereo Separation at 1 kHz 40dB
    Spurious Response Rejection >80dB
    IF Rejection >80dB
    Image Rejection >50dB
    Output Level  
     Fixed
     Variable    		 775 mV
    0 - 1.5V
    Dial Calibration Tolerance ±200 kHz
    Antenna 300Ω balanced, 75Ω unbalanced
    AM Section  
    AM Sensitivity IHF 180µV/m
    Image Rejection >50dB
    IF Rejection >40dB
    Signal-to-Noise Ratio 50dB
    Selectivity  40dB
    Antenna  ferrite loopstick
  • Net weight (2.2 lb = 1 kg)
  • 8 kg / 17 lb 9.9 oz (17.621 lb)
  • Source of data
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual RT-724)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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