National Panasonic R-139

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

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  • Year
  • 1972
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 338238

 Technical Specifications

  • Number of Transistors
  • 5
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Dry Batteries / AA: 3 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
  • Power out
  • 0.25 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: National Panasonic R-139 - Panasonic, Matsushita,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 6.5 x 3 x 1.6875 inch / 165 x 76 x 43 mm
  • Notes

  • National Model R139

    A de-luxe 1-band with five transistors plus one integrated circuit (IC). Output 250 mW; 2½" dynamic speaker. Jack for earphone or extension speaker. Colours: red, black or yellow with matching leatherette case. Batteries, 3 x UM3 (AA). (FROM MINGAY'S PRICE SERVICE)

  • Price in first year of sale
  • 49.75 AUS $
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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