• Country
• Japan

• Manufacturer / Brand
• Panasonic, Matsushita, National ナショナル (also tubes); Osaka

• Year
• 1963–1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 177107

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

• Number of Transistors
• 6

• Semiconductors
• 2SA102 2SA101 2SA101 2SB171 2SB172 2SB172 OA90

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch

• Power out
• 0.1 W (0.15 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National Panasonic All Transistor R-103 - Panasonic, Matsushita,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 2.625 x 4.375 x 1.375 inch / 67 x 111 x 35 mm

• Notes

• National Model R103

  Six transistor, one diode, one-band pocket radio. Drift type transistors on frequency converter circuit and I.F. amplifying circuit for good sensitivity. Jack for earphone. Available in plastic cabinet with leather case.

  Specifications: frequency range 540-1600 kC/s (kHz). Power output 150 mW maximum. Speaker 2.1" PM dynamic (Speaker Z = 100 ohms). Battery National Type 006P (Standard 9 volt). Weight & price includes battery. (MINGAY'S  PRICE SERVICE)

  Price $39.90 after the introduction of decimal currency in Australia, 14/2/1966.

• Net weight (2.2 lb = 1 kg)
• 0 lb 8 oz (0.5 lb) / 0.227 kg

• Price in first year of sale
• 19.95 AUS £

• Mentioned in
• Mingay's Price Service (Feb 1964 to Feb 1966.)

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook (Group C1, 1964, Page N91.)

• Author
• Model page created by Wolfgang Möller. See "Data change" for further contributors.

• Other Models

• Here you find 3049 models, 2826 with images and 633 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka