• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1976–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 86959

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

• Number of Transistors
• 13

• Semiconductors
• HA1137 HA1156W

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

• Wave bands
• Broadcast, Long Wave, Short Wave plus 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
• Wooden case

• from Radiomuseum.org
• Model: FM Stereo / FM-AM Tuner ST-2950F - Sony Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 390 x 145 x 310 mm / 15.4 x 5.7 x 12.2 inch

• Notes

• A multiband hi-fi AM/FM stereo/mono tuner with an analogue dial, housed in a wooden case. Signal strength and FM Tuning meters, rotary tuning control, push button switches for Hi-Blend, Muting/Mode, FM, SW, MW, LW and built-in/external antenna. An AM ferrite rod antenna, terminals for AM and FM antennae, RCA phono sockets for Line output.

  Semiconductors: 2 ICs, 1 FET, 12 Transistors, 9 Diodes

  Tuning Bands: FM, MW, LW, SW
  FM Tuning Range: 87.5 to 108 MHz
  MW Tuning Range: 530 to 1605 kHz
  LW Tuning Range: 150 to 350 kHz
  SW Tuning Range: 6 to 18 MHz

  Sensitivity: 2uV (FM), 100uV (MW), 100uV (LW), 30uV (SW)
  Signal to Noise Ratio: 68dB (FM), 50dB (MW), 50dB (LW), 50dB (SW)
  Distortion: 0.6% (FM), 0.5% (MW), 0.5% (LW), 0.5% (SW)
  Selectivity: 50dB (FM), 50dB (MW), 50dB (LW), 45dB (SW)
  Frequency response: 40Hz to 12.5kHz +0.5dB,-1.5dB (FM)
  Output Level/Impedance: 750mV / 5kΩ (FM)

  Power requirements
  110, 127, 220 or 240 V AC 50/60Hz adjustable

  Power consumption:   23 watts

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Source of data
• - - Data from my own collection

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

• Literature/Schematics (1)
• - - Manufacturers Literature (Service Manual ST2950F dated 1976)

• Literature/Schematics (2)
• - - Manufacturers Literature (Owner's Instruction Manual dated 1976)

• Author
• Model page created by Daniel Doll. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 957 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo