LW/MW/FM Stereo Tuner ST520L

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1982 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 272498

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: LW/MW/FM Stereo Tuner ST520L - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 55 x 302 mm / 16.4 x 2.2 x 11.9 inch
  • Notes

  • A hifi 3 band AM/FM stereo digital synthesizer tuner with a digital frequency display. With a 5 LED Signal Strength meter, Stereo indicator, push buttons for LW, MW, FM, Tuning Up and Tuning Down, Tuning Scan and Memory, 7 Preset buttons for AM (4 x MW, 3 x LW radio stations) and 7 FM radio stations and Muting/Mode. On the back, a clip-on AM loop antenna, terminals for AM and FM antennae,  RCA phono Line Output sockets.

    Specification  
    FM Tuner Section  
    Frequency Range 87.5-108MHz
    Sensitivity  
      DIN Mono (S/N 26dB, 75Ω)
      DIN Stereo (S/N 46dB, 75Ω)    		 0.7µV
    20µV
    Selectivity Adjacent Channel 98MHz 70dB
    Image Frequency Rejection  78dB
    IF Rejection 90dB
    Spurious Response 95dB
    Signal/Noise Ratio DIN  
      Unweighted:
      Weighted:    		 70dB Mono, 63dB Stereo
    76dB Mono, 68dB Stereo
    Total Harmonic Distortion: 0.1% Mono, 0.2% Stereo
    Frequency Response 30Hz-15kHz +0,-1 dB
    Stereo Separation  45dB
    Channel Balance 0.2dB
    MW Tuner Section  
    Frequency Range 522-1611kHz
    Sensitivity (S/N 20dB 30% Mod., 999kHz) 10µV
    Selectivity 999kHz ±9kHz 40dB
    Image Rejection at 999kHz  45dB
    IF Rejection at 999kHz 70dB
    Signal/Noise Ratio at 999kHz 50dB
    Total Harmonic Distortion at 999kHz 0.3%
    LW Tuner Section  
    Frequency Range 153-281kHz
    Sensitivity (S/N 20dB 30% Mod., 218kHz) 100µV
    Image Rejection at 218kHz 45dB
    IF Rejection at 218kHz 55dB
    Signal/Noise Ratio at 218kHz 50dB

    Power requirements: 110-120/220-240 V AC 50/60Hz with voltage selector

    Power consumption: 9 watts

    See also the similar 2 band Marantz AM/FM Stereo Tuner ST-520 without LW.

  • Net weight (2.2 lb = 1 kg)
  • 3.3 kg / 7 lb 4.3 oz (7.269 lb)
  • Mentioned in
  • -- Original prospect or advert (1982 Marantz Klang und Qualität catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's manual Marantz ST520/ST520L)
  • Author
  • Model page created by Ciro Guidi. See "Data change" for further contributors.

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The model LW/MW/FM Stereo Tuner is part of the collections of the following members.

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