FM Stereo / FM-AM Tuner ST-JX2L

Sony Corporation; Tokyo

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  • Year
  • 1981/1982
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 303389

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 450/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Hi-Fi equipment
  • 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-JX2L - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 55 x 310 mm / 16.9 x 2.2 x 12.2 inch
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a silver metal case. With a rotary tuning control, rotary Band switch (FM, MW, LW), 5 LED signal strength indicators, FM Tuned and Stereo indicators and a Stereo/Muting press button switch. On the rear, an adjustable AM ferrite rod antenna, terminals for AM and FM antennae and RCA phono line output sockets.

    Specification  
    System FM stereo, FM/AM superheterodyne tuner
    FM TUNER SECTION  
    Tuning Range 87.5MHz - 108MHz
    Antenna Terminals 300Ω balanced, 75Ω unbalanced
    Sensitivity at 46dB quieting
    (at 40kHz deviation)    		 17.3dBf, 4µV (mono),
    38.3dBf, 45µV (stereo)
    Usable Sensitivity 10.3dBf, 1.8µV (IHF)
    1.7µV (S/N 26dB, 40kHz deviation)
    Signal/Noise Ratio 78dB (mono), 72dB (stereo)
    Harmonic Distortion (40kHz deviation) 0.15% (mono), 0.25% (stereo) at 1kHz
    IM Distortion (40kHz deviation) 0.15% (mono), 0.25% (stereo)
    Separation (at 1kHz) 45dB
    Frequency Response 40Hz - 12.5kHz ±0.5dB
    30Hz - 15kHz +0.5dB,-2dB
    Selectivity at 300kHz 55dB
    Capture Ratio 1.0dB
    AM Suppression Ratio 54dB
    Image Response Ratio 50dB
    IF Response Ratio 90dB
    Spurious Response Ratio 70dB
    Muting Threshold approx. 25.2dBf, 10µV
    Output Level/Impedance 750mV/1kΩ at 75kHz deviation
    MW/LW TUNER SECTION  
    Tuning Range MW: 522kHz - 1,602kHz
    LW: 150kHz - 350kHz
    Antenna built-in antenna, external antenna terminal
    Usable Sensitivity  
      built-in antenna MW: 200µV/m (at 1,000kHz)
    LW: 300µV/m (at 230kHz)
      external antenna terminal MW: 100µV (at 1,000kHz)
    LW: 100µV (at 230kHz)
    Signal/Noise Ratio 54dB
    Harmonic Distortion 0.3%
    Selectivity 35dB (9kHz)

    Versions/Power Requirements
    AEP model  / 220V AC 50/60Hz
    UK model    / 240V AC 50/60Hz

    Power Consumption: 12 W

    Bereiche: FM: 87.5 - 108 MHz,   MW: 522 - 1602 kHz, LW: 150 to 350 kHz
    Keramische ZF-Filter
    Schalter Stereo/Muting: Stellung Stereo aktiviert auch muting.
    zu Verstärker SONY TA-AX2
    9 Transistors, 4 ICs, 15 Diodes.

  • Net weight (2.2 lb = 1 kg)
  • 3.1 kg / 6 lb 13.3 oz (6.828 lb)
  • Mentioned in
  • -- Original prospect or advert (1982 Sony Hi-Fi catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Sony Service manual for the ST-JX2L dated 1981)
  • Author
  • Model page created by a member from D. See "Data change" for further contributors.

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