FM Stereo / FM-AM Tuner ST-88

Sony Corporation; Tokyo

  • Year
  • 1973–1976
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 178436

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 455 or 468/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 110; 127; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: FM Stereo / FM-AM Tuner ST-88 - Sony Corporation; Tokyo
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 128 x 232 x 210 mm / 5 x 9.1 x 8.3 inch
  • Notes
  • A hi-fi AM/FM stereo solid-state tuner with a circular analogue dial, housed in a compact wooden cabinet with an aluminium front. With a tuning meter, rotary tuning control, stereo indicator lamp, push button switches for Band (AM, FM), Mode selector (Auto Stereo, Mono) and AFC (On, Off). On the back, an AM ferrite bar antenna adjustable through a slot in the case, terminals for Ground, AM and FM antennae and RCA phono sockets for low and high line output.

    Specification  
    FM Tuner Section  
    Tuning range 87.5 - 108MHz
    Antenna 300Ω balanced
    Intermediate frequency 10.7MHz
    Usable sensitivity 2.2µV (IHF)
    1.7µV (S/N = 30dB)
    S/N 65dB
    Capture ratio 2.5dB
    Selectivity 50dB (IHF)
    Image rejection 45dB
    Spurious rejection 75dB
    AM suppression 45dB
    Frequency response 30Hz - 15kHz ±2dB
    Harmonic distortion Mono: 0.5% at 400Hz 100% Mod.
    Stereo: 0.8% at 400Hz 100% Mod.
    FM Stereo separation > 36dB at 400Hz
    AM Tuner Section  
    Tuning range 530 - 1,605kHz
    Antenna Built-in bar antenna with
    external antenna provision
    Intermediate frequency 455kHz (USA and AEP Model)
    468kHz (UK Model)
    Sensitivity 48dB/m, built-in antenna
    100µV, external antenna
    S/N ratio 50dB
    Image rejection 40dB at 1,000kHz
    45dB at 1,400kHz
    IF rejection 30dB at 1,000kHz
    Harmonic distortion 0.8%

    Versions/Power requirements
    USA Model  /  120V AC 60Hz
    AEP and UK Model  /  110, 127, 220, 240V AC 50/60Hz with voltage selector

    Power consumption:    10 W

    See also the Sony ST-88L FM Stereo / FM-AM Tuner which has LW (GO) in place of MW.

    Matching devices Sony TA-88 and Sony SQA-100

  • Net weight (2.2 lb = 1 kg)
  • 2.740 kg / 6 lb 0.6 oz (6.035 lb)
  • Mentioned in
  • -- Original prospect or advert (1976 Hi-fi and stereo Cassettes catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual ST-88 dated 1973)
  • Author
  • Model page created by Bernhard Nagel. See "Data change" for further contributors.

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