• Year
  • 1965–1968
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 197915

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Batteries / addl. power jack / D: 6 x 1.5 / DC 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 0.7 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: National Radio Phonograph SG-555 - Panasonic, Matsushita,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 11 x 3.0625 x 10.625 inch / 279 x 78 x 270 mm
  • Notes
  • Portable Transistor Radio Phonograph brand National, model SG-555 with braodcast band and a record player for 33 1/3 and 45 rmp. The model SG-555 can be operated with 6 D cells or with an external power of 9 volts DC. It has also an ear plug. It is made by Mathsushita Electric Industrial Co. Ltd in Japan.
  • Net weight (2.2 lb = 1 kg)
  • 3 lb 8 oz (3.5 lb) / 1.589 kg
  • Price in first year of sale
  • 139.00 DM
  • Source of data
  • -- Original-techn. papers.
  • Mentioned in
  • Novum K.G. Rundfunk Fernseh Phono Katalog 1968/69
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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