• Country
• Japan

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

• Year
• 1960 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 102436

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

• Number of Transistors
• 6

• Semiconductors
• 2SA102 2SA102 2SA102 2SB71 2SB172 2SB172 OA70

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1x5,2 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.7 cm = 1.9 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National T-10 - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 2.375 x 3.3125 x 0.9375 inch / 60 x 84 x 24 mm

• Notes

• Rare 5.2V battery: NATIONAL KM.4N or MALLORY TR-164R

  Very similar to Bulova 670.

• Net weight (2.2 lb = 1 kg)
• 0 lb 7 oz (0.438 lb) / 0.199 kg

• Price in first year of sale
• 10,000.00 JPY

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook (E Series Handbook, Page N73.)

• Author
• Model page created by Mario Coelho. See "Data change" for further contributors.

• Other Models

• Here you find 3049 models, 2826 with images and 632 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