FM Stereo / FM-AM Tuner ST-5055L

• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1972–1974

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 157977

• Picture
• Schematics

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

• Number of Transistors
• 23

• Semiconductors

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

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 100; 127; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: FM Stereo / FM-AM Tuner ST-5055L - Sony Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 412 x 120 x 284 mm / 16.2 x 4.7 x 11.2 inch

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial, housed in a wooden case. With a signal  strength meter, Stereo indicator, rotary tuning control, push button switches for FM, MW, LW, Hi Blend, Muting and Mono, on the back, terminals for AM and FM antennae, push button selector switch for built-in or external antenna, RCA phono sockets for fixed line output and variable line output (with Level adjusters).

  Specification
  FM Tuner Section
  Tuning range	87.5MHz-108MHz
  Antenna terminals	300Ω balanced, 75Ω unbalanced
  Usable sensitivity	2.2µV IHF, 1.7µV (S/N = 30 dB)
  S/N ratio	68dB
  Capture ratio	1.0dB
  Selectivity	70dB IHF
  Image rejection	45dB
  IF rejection	95dB
  Spurious rejection	75dB
  AM suppression	45dB IHF
  Frequency response	30Hz - 15kHz ±1dB,-3dB
  Harmonic distortion	Mono:   0.4% at 400Hz 100 % Mod. Stereo: 0.6% at 400Hz 100 % Mod.
  FM stereo separation	> 35dB at 400Hz
  AM Tuner Section
  Tuning range	MW 530kHz - 1,605kHz LW 150kHz - 350kHz
  Antenna	Built-in ferrite bar antenna with external antenna provision
  Sensitivity	MW: 46dB/m, built-in antenna         100µV, external antenna LW:  50dB/m built-in antenna         100µV external antenna
  IF rejection	MW: 65dB at 1,000kHz LW:  55dB at 250kHz
  Harmonic distortion	0.5%
  Audio output/impedance	FIXED:        750 mV /10kΩ VARIABLE: 0 - 1.5V /1.8kΩ at max output

  Power requirements
  110, 127, 220 or 240 V AC 50/60Hz with voltage selector
                       
  Power consumption :  Approx 23 watts

  Very similar to the Sony ST-5055 FM Stereo / FM-AM Tuner which does not have LW.

• Net weight (2.2 lb = 1 kg)
• 4.9 kg / 10 lb 12.7 oz (10.793 lb)

• Mentioned in
• -- Original prospect or advert (1973-74 Sony Programm Ubersicht catalogue)

• Literature/Schematics (1)
• Selezione Radio-TV Dezember 1972

• Literature/Schematics (2)
• - - Manufacturers Literature (Service manual ST-5055L dated 1972)

• Author
• Model page created by Eduard Abfalterer. See "Data change" for further contributors.

• Other Models

• Here you find 3993 models, 3854 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