National Panasonic 2 Band 10 Transistor R-230J

Panasonic, Matsushita, National ナショナル (also tubes); Osaka

  • Year
  • 1965–1968
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 216379

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

 Technical Specifications

  • Number of Transistors
  • 10
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / C: 3 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 0.35 W (max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: National Panasonic 2 Band 10 Transistor R-230J - Panasonic, Matsushita,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 8.15625 x 4.53125 x 1.96875 inch / 207 x 115 x 50 mm
  • Notes
  • National Model R-230J

    A ten transistor, one diode, two band portable radio with newly designed flash-tuning indicator. Radio has chromed front and is house in leather carrying case.

    Features: the flash-tuning indicator, located at the front upper left-hand corner of the set, facilitates perfect tuning, as this light flashes on brightly at the peak of the signal.

    Also features low and high tone control switch and jacks for earphone and external antenna. Besides the built-in antenna, a telescopic whip antenna is also incorporated. The 3 x UM2D National batteries are housed in the back of the radio and are easily accessible.

    Frequency range: MW 525 - 1605 kC/s (kHz); SW 5.9 - 18 MC/s (MHz) Maximum output 350 mW. Speaker 4" x 2½" PM dynamic. (MINGAY'S PRICE SERVICE)

  • Net weight (2.2 lb = 1 kg)
  • 1 lb 11 oz (1.687 lb) / 0.766 kg
  • Price in first year of sale
  • 81.90 AUS $
  • Mentioned in
  • -- Original prospect or advert (Magazine "Everybody's", Nov. 9, 1966, page 43.)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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