FM Stereo / FM-AM Tuner ST-5055

Sony Corporation; Tokyo

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  • Year
  • 1972–1974
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 323931

 Technical Specifications

  • Number of Transistors
  • 23
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700; kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: FM Stereo / FM-AM Tuner ST-5055 - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 412 x 120 x 284 mm / 16.2 x 4.7 x 11.2 inch
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial, housed in a wooden case. With a signal  strength meter, Stereo indicator, rotary tuning control, push button switches for FM, AM,  Hi Blend, Muting and Mono, on the back, terminals for AM and FM antennae, RCA phono sockets for fixed line output and variable line output (with Level adjusters).

    Specification  
    FM Tuner Section  
    Tuning range  87.5MHz-108MHz
    Antenna terminals 300Ω balanced, 75Ω unbalanced
    Usable sensitivity 2.2µV IHF, 1.7µV (S/N = 30 dB)
    S/N ratio 68dB
    Capture ratio 1.0dB
    Selectivity 70dB IHF
    Image rejection 45dB
    IF rejection 95dB
    Spurious rejection 75dB
    AM suppression 45dB IHF
    Frequency response 30Hz - 15kHz ±1dB,-3dB
    Harmonic distortion Mono:   0.4% at 400Hz 100 % Mod.
    Stereo: 0.6% at 400Hz 100 % Mod.
    FM stereo separation > 35dB at 400Hz
    AM Tuner Section  
    Tuning range 530kHz - 1,605kHz
    Antenna Built-in ferrite bar antenna with
    external antenna provision
    Sensitivity 46dB/m, built-in antenna
    100µV, external antenna
    IF rejection 65dB at 1,000kHz
    Harmonic distortion 0.5%
    Audio output/impedance FIXED:        750 mV /10kΩ
    VARIABLE: 0 - 1.5V /1.8kΩ at max output

    Power requirements
    120V AC 60Hz (US & Canada)
                         
    Power consumption :  Approx 23 watts

    Very similar to the Sony ST-5055l FM Stereo / FM-AM Tuner which additionally has LW.

  • Net weight (2.2 lb = 1 kg)
  • 4.9 kg / 10 lb 12.7 oz (10.793 lb)
  • Mentioned in
  • -- Original prospect or advert (1973-74 Sony Programm Ubersicht catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Sony ST-5055 US Canada model)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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