Solid State AM/FM Stereo Tuner RT-1220

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1973 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 162881

 Technical Specifications

  • Number of Transistors
  • 34
  • 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; 200; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Solid State AM/FM Stereo Tuner RT-1220 - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 140 x 304 mm / 16.5 x 5.5 x 12 inch
  • Notes

  • An AM/FM stereo hi-fi tuner covering MW and FM. With Signal Strength and FM Tuning meters, rotary Muting switch, buttons for Dimmer and MPX filter, jack for headphones with volume control, terminals for AM and FM (300Ω and 75Ω) antennae, phono sockets for fixed and variable Line Output with a variable output level control and a switched AC outlet.

    Specification  
    FM Section  
    Sensitivity (IHF) 1.5 µV
    Frequency Range 88 - 108 MHz
    Harmonic Distortion less than 0.5%
    Signal to Noise Ratio 70 db
    Capture Ratio 1.0 db
    Selectivity 90dB
    Stereo Separation 40 db at 1 kHz
    Image Rejection 110dB
    IF Rejection 110 db
    Spurious Response Rejection 110 db
    AM Section  
    Sensitivity (IHF) 15µV
    Frequency Range 535 - 1605 kHz
    Image Rejection 75 db at 1 MHz
    IF Rejection  75 db at 1 MHz
    Signal to Noise Ratio 50dB
    Selectivity   40dB
  • 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 RT-1220)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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