FM Stereo / AM-FM Tuner ST-JX661

Sony Corporation; Tokyo

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  • Year
  • 1996
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 273990

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop; ZF/IF 450/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 220-230 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Stereo / AM-FM Tuner ST-JX661 - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 82 x 295 mm / 16.9 x 3.2 x 11.6 inch
  • Notes

  • A hi-fi quartz lock digital synthesizer tuner with a digital frequency display housed in a metal case. With memory for 20 FM and 10 AM preset radio stations, push buttons for Tuning up and down, Memory scan, Stereo/Mono, and Band (AM/FM). On the back, a 75 ohm FM antenna coaxial connector, terminals for AM antenna, RCA phono sockets for Line Output.

    Specification  
    FM tuner section  
    Frequency range 87.5-108MHz
    Aerial terminals 75Ω, unbalanced
    Sensitivity at 50dB quieting  
     mono
     stereo    		 22.1dBf, 7µV/75Ω
    42.1dBf, 70µV/75Ω
    Usable sensitivity (IHF) 19.5dBf, 5µV/75Ω
    S/N at 75kHz dev. 80dB (mono), 75dB (stereo)
    Harmonic distortion at 1kHz 0.3% (mono), 0.5% (stereo)
    Frequency response 30Hz-15kHz +0.5dB,-2.0dB
    Separation 35dB at 1kHz
    Selectivity 55dB at 400kHz
    Output at 75kHz dev. 775mV, 4.7kΩ
    AM tuner section  
    Frequency range 522-1,611kHz
    Usable Sensitivity 500µV/m (with AM loop aerial)
    S/N ratio 54dB (50mV/m, 999kHz)
    Harmonic distortion 0.5% (50mV/m, 400Hz)

    Power requirements: 220-230V AC 50/60 Hz
    Power consumption: 7 Watts

  • Net weight (2.2 lb = 1 kg)
  • 2.3 kg / 5 lb 1.1 oz (5.066 lb)
  • Mentioned in
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual ST-JX661 ST-SE200 dated 1996)

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