• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1971 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 97498

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

• Number of Transistors
• 20

• 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) / 110; 117; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: FM Stereo / FM-AM Tuner ST-80F - Sony Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 5 x 9.125 x 7.5 inch / 127 x 232 x 191 mm

• Notes

• A hi-fi AM/FM stereo solid-state tuner with a circular analogue dial, housed in a compact wooden cabinet with real teak panels. 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	87-108MHz
  Sensitivity	2.4µV (S/N=30dB)
  S/N ratio	65dB
  Capture ratio	2dB
  Selectivity	50dB (IHF)
  Image rejection	50dB
  IF rejection	90dB
  Spurious signal rejection	80dB
  AM suppression	50dB
  Frequency response	30Hz-15kHz +0dB,-2dB
  Antenna requirements	300Ω balanced
  Harmonic distortion	Mono: 0.5% IHF, Stereo: 0.8% IHF
  FM stereo separation	Better than 36dB at 1,000Hz
  Audio outputs (at 400Hz, 100% modulation)	High level : 2V, 10kΩ Low level : 700mV, 10kΩ
  AM Tuner Section
  Tuning range	530-1,605kHz
  Sensitivity	48dB/m, built-in antenna 10µV, external antenna
  S/N ratio	45dB at 5mV
  Image rejection	56dB at 1,000kHz
  IF rejection	36dB at 1,000kHz
  Harmonic distortion	0.8% at 5mV
  Antenna	Built-in ferrite bar antenna and external antenna terminal

  Versions/Power requirements
  USA, Canada model  /  117V AC 60Hz
  Europe model           /  100, 117, 220, 240V AC 50/60Hz switchable internally

  Power consumption:  13 W

  Semiconductors: 2 FETs, 18 Transistors (14 in receiver, 4 auxiliary), 16 diodes

  See also the similar Sony ST-80W FM Stereo / FM-AM Tuner

  Similar in design to the Telefunken hifi compact 2000.

• Net weight (2.2 lb = 1 kg)
• 5 lb 8 oz (5.5 lb) / 2.497 kg

• Price in first year of sale
• 468.00 DM

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

• Mentioned in
• -- Original prospect or advert (1971 Sony Gesamtprogramm katalog)

• Other Models

• Here you find 3952 models, 3812 with images and 954 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo