• Year
  • 1960
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 167900

 Technical Specifications

  • Number of Transistors
  • 7
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: National 7-Transistor T-55 - Panasonic, Matsushita,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 60 x 95 x 30 mm / 2.4 x 3.7 x 1.2 inch
  • Notes
  • Despite the radio's small size, the tuning thumbwheel drives the tuning capacitor and the linear dial indirectly via two pulleys and a dial cord. This provides space for the volume on/off control on the same side (right-hand) of the case.

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

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The model National 7-Transistor is part of the collections of the following members.

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