FM Stereo / FM-AM Tuner ST-5140

Sony Corporation; Tokyo

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  • Year
  • 1971–1974
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 157764

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

 Technical Specifications

  • Number of Transistors
  • 31
  • 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) / 100; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Stereo / FM-AM Tuner ST-5140 - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 400 x 149 x 334 mm / 15.7 x 5.9 x 13.1 inch
  • Notes

  •  A solid state hi-fi AM/FM stereo tuner with an analogue dial, housed in a metal case (wooden outer case optional). With Signal Strength and Tuning meters, rotary tuning control, rotary Function switch (AM, Auto FM Stereo, FM Mono), switches for Hi Blend, Muting and AFC. On the back, an AM ferrite rod antenna, terminals for AM and FM antennae, RCA phono sockets for Fixed Line Output, Variable Line Output (with left and right channel output Level adjusters), and for vertical and horizontal FM Multipath Output.

    Specification  
    FM Tuner Section  
    Antenna 300Ω balanced, 75Ω unbalanced
    Tuning range 87.5 - 108MHz
    76 - 90MHz (Japan)
    Sensitivity 1.8µV (IHF usable sensitivity)
    1.5µV (S/N 30dB)
    S/N ratio 70dB
    Capture ratio 1.0dB
    Selectivity 80dB
    Image rejection 75dB
    IF rejection 90dB
    Spurious rejection 100dB
    AM suppression 56dB
    Frequency response 20Hz - 15kHz ±1dB
    Separation 40dB at 400Hz
    Harmonic distortion Mono:  0.2%, IHF (400Hz 100% Mod)
    Stereo: 0.5%, IHF (400Hz 100% Mod)
    Muting level < 5µV
    AM Tuner Section  
    Antenna Built-in ferrite bar antenna with
    external antenna terminal
    Tuning range 530 - 1,605kHz
    Sensitivity 50dB/m, built-in antenna (S/N: 20dB)
    30µV, external antenna
    IF rejection 41dB at 1,000kHz
    Harmonic distortion 0.6%
    Image rejection: 45dB at 1,000kHz
    S/N ratio 50dB
    Outputs FIXED:          750mV, 10kΩ
    VARIABLE:   0 - 2V, 1.8kΩ
    MULTIPATH: 150 mV, 18kΩ (VERTICAL/HORIZONTAL)

    Power requirement
    100, 120, 220, 240V AC 50/60Hz

    Power consumption: Approx. 15 watts

    Frequenzbereich: FM 87,5-108 MHz; AM: 530-1605 kHz

  • Net weight (2.2 lb = 1 kg)
  • 7.5 kg / 16 lb 8.3 oz (16.52 lb)
  • Price in first year of sale
  • 49,800.00 JPY
  • Mentioned in
  • -- Original prospect or advert (1971 Brochure (Japan) TA-1140 ST-5140 dated 1971)
  • Literature/Schematics (1)
  • Selezione Radio-TV Ottobre 1972
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Service manual ST-5140)
  • Literature/Schematics (3)
  • -- Original prospect or advert (1973-4 Sony Programm-Ubersicht katalog)
  • Author
  • Model page created by Eduard Abfalterer. See "Data change" for further contributors.

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