Solid State Stereo Tuner RT-620

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1971/1972 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 183267

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 100; 117; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Solid State Stereo Tuner RT-620 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 16.25 x 4.875 x 9.5 inch / 413 x 124 x 241 mm
  • Notes

  • A hi-fi AM/FM stereo tuner housed in a metal case with wooden side panels. With push button switches for AM, FM and FM stereo Functions, Noise Filter (on/off) and Muting (on/off), rotary Muting Level control, adjustable AM bar antenna on the back, connections for AM and FM antennae and Ground, RCA phono sockets for Fixed and Variable Line Output, rotary Variable Line Output Level control and a switched AC outlet max. 200 W.

    Models can show Roland or Rotel at the front.

    Specification  
    FM Section  
    Frequency Range  88-108 MHz
    Antenna Impedance 300 Ω balanced, 70 Ω unbalanced
    Sensitivity (IHF) 1.7 µV
    Harmonic Distortion less than 1%
    Signal to Noise Ratio 65 dB
    Image Rejection 100 dB
    IF Rejection 100 dB
    Spurious Response 100 dB
    Capture Ratio 1.5 dB
    Selectivity (IHF) 60 dB
    Stereo Separation 38 dB at 1 kHz
    AM Section  
    Frequency Range 535-1605 kHz
    Sensitivity 15 µV
    Image Rejection 75 dB at 1 MHz
    IF Rejection 75 dB at 1 MHz
    Signal to Noise Ratio 50 dB

    Power Requirements
    100/117/220/240 V AC 50/60 Hz

  • Net weight (2.2 lb = 1 kg)
  • 11 lb 0 oz (11 lb) / 4.994 kg
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical manual RT-620 dated March 1972)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Operating manual RT-620)
  • Author
  • Model page created by Armand Verboven. See "Data change" for further contributors.

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The model Solid State Stereo Tuner is part of the collections of the following members.

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