FM Stereo / FM-AM Tuner ST-JX520L

Sony Corporation; Tokyo

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  • Year
  • 1985 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 238134

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Stereo / FM-AM Tuner ST-JX520L - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 80 x 270 mm / 16.9 x 3.1 x 10.6 inch
  • Notes

  • A hi-fi AM/FM stereo Quartz Lock Digital Synthesizer tuner with a LCD digital Band/Frequency display, housed in a black metal case, with infrared remote control. With press buttons for Tuning down and Tuning up, Band (FM, AM), Memory, Stereo Muting, Stereo indicator and 12 keys for 6 FM and 6 AM preset radio stations. On the back, terminals for AM and FM antennae, RCA phono line output sockets, AC mains outlet (500W max) and connectors for Function Control (for connection to the SYNC connector on other components) and Control S In/Out (for system remote control). Supplied with remote control (RM-S520) and layout-free antenna.

    Specification  
    System PLL quartz-locked digital synthesizer system
    FM stereo, FM/AM superheterodyne tuner
    FM tuner section  
    Tuning range 87.5MHz - 108MHz
    Antenna terminals 75Ω unbalanced, 300Ω balanced
    Sensitivity at 46dB quieting 17.3dBf, AEP: 2µV, G-AEP: 4µV (mono)
    38.3dBf, AEP: 22.5µV, 45µV (stereo)
    Usable sensitivity 10.3dBf, AEP: 0.9µV, G-AEP: 1.8µV (IHF)
    AEP: 1.6µV (S/N=26dB), G-AEP: 0.8µV (S/N=26dB)
    Signal/Noise ratio 77dB (mono), 72dB (stereo)
    Harmonic distortion at 1kHz 0.1% (mono), 0.25% (stereo)
    Separation at 1kHz 45dB
    Frequency response 40Hz - 12.5kHz +0.2dB,-0.6dB
    30Hz - 15kHz +0.2dB,-1.8dB
    Selectivity at 400kHz 67dB
    Capture ratio 1.0dB
    AM suppression ratio AEP: 55dB, G-AEP: 65dB
    Image response ratio AEP: 45dB, G-AEP: 80dB
    IF response ratio 90dB
    Spurious response ratio AEP: 75dB, G-AEP: 100dB
    Output level/impedance
    at 75kHz deviation    		 750mV, 4.7kΩ
    AM tuner section  
    Tuning range MW: 531 - 1,602kHz
    LW: 153 - 344kHz
    Antenna Layout-free AM antenna
    External antenna terminal
    Usable sensitivity  
      Layout-free AM antenna MW: 300µV/m (at 999 or 1,000kHz)
    LW: 700µV/m (at 230kHz)
      External antenna MW: 30µV (at 999 or 1,000kHz)
    LW: 200µV (at 230kHz)
    Signal/Noise ratio 50dB (50mV/m)
    Harmonic distortion 0.3% (at 50mV/m, 400Hz)
    Selectivity 35dB

    Versions/Power requirements           
    AEP Model      /  220V AC 50/60Hz (internally adjustable to 240V)
    G-AEP Model   /  220V AC 50/60Hz

    Power consumption:    18 W

    The similar Sony ST-JX520 FM Stereo / FM-AM Tuner does not have LW.

  • Net weight (2.2 lb = 1 kg)
  • 3.3 kg / 7 lb 4.3 oz (7.269 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual Sony ST-JX520L)
  • Author
  • Model page created by Rudolf Nemeth. See "Data change" for further contributors.

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