FM Stereo / FM-AM Tuner ST-5950SD

• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1976–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 185020

• Picture
• Schematics

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 468/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: FM Stereo / FM-AM Tuner ST-5950SD - Sony Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 460 x 168 x 331 mm / 18.1 x 6.6 x 13 inch

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial, housed in a metal case, wooden end panels optional. With Dolby NR for FM broadcasts. With meters for Signal strength and Tuning, Stereo and Dolby FM indicator lamps, rotary Tuning control, a rotary Function switch (Dolby FM, FM, AM) and rotary Mode switch (Stereo Only, Stereo Auto, Mono), push button switches for Muting, Multipath test, Hi Blend and AFC and a jack for headphones with rotary volume control. On the back, an adjustable AM ferrite rod antenna, terminals for AM and FM antennae, RCA phono sockets for Fixed Line Output and for Variable Line Output (with output level adjusters) and for FM Discriminator output.  

  Specification
  FM Section
  Tuning Range	87.5 - 108MHz
  Antenna Terminals	300Ω balanced, 75Ω coaxial cable input
  Usable Sensitivity	1.5µV (MONO), IHF 1.4µV, S/N=26dB (40kHz deviation)
  Sensitivity at 50dB Quieting	2.8µV (MONO), 35µV (STEREO)
  Image Rejection	90dB
  IF Rejection	100dB
  Spurious Rejection	100dB
  AM Suppression	56dB
  Capture Ratio	1.0dB
  Selectivity	85dB
  S/N Ratio	76dB (MONO), 70dB (STEREO)
  Harmonic Distortion at 100Hz, 1kHz	0.1% (MONO), 0.2% (STEREO)
  Stereo Separation	40dB at 100Hz
  Frequency Response	20Hz - 15kHz +0.2dB,-1.0dB
  Muting Level	Approx. 5µV
  AM Section
  Tuning Range	530 - 1,605kHz
  Antenna	Built-in ferrite-bar antenna and external antenna terminal
  Usable Sensitivity	250µV/m built-in antenna 100µV external antenna at 1,000kHz
  Image Rejection	45dB at 1,000kHz
  S/N Ratio	50dB at 50mV/m
  Harmonic Distortion	0.5% at 50mV/m, 400Hz
  Outputs	FIXED:               750mV, 10kΩ VARIABLE:        0-2V, 3kΩ FM DISCRI:       140mV, 10kΩ HEADPHONES: 0-200mV (8Ω headphones)

  Versions/Power Requirements
  UK, AEP /  110, 127, 220 or 240V AC 50/60Hz with voltage selector
  
  Power Consumption:  32W

• Net weight (2.2 lb = 1 kg)
• 9.3 kg / 20 lb 7.8 oz (20.485 lb)

• Source of data
• - - Manufacturers Literature

• Mentioned in
• -- Original prospect or advert (1978 Sony Hi-Fi Programm katalog)

• Literature/Schematics (1)
• - - Manufacturers Literature (Service Manual ST-5950SD dated 1976)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 959 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo