• Country
• Japan

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

• Year
• 1960/1961

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 130940

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

• Number of Transistors
• 6

• Semiconductors
• MC102 or. 2SA102 MC101 or. 2SA101 MC101 or. 2SA101 OC71 or. 2SB171 OC72 or. 2SB172 OC72 or. 2SB172 OA70 MA23

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Batteries / addl. power jack / AA: 4 x 1,5 / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm

• Power out
• 0.12 W (0.2 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National 6-Transistor T-50 - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 5.9375 x 3.5 x 1.5 inch / 151 x 89 x 38 mm

• Notes

• National T50

  Pocket size portable with 6 transistors and 2 diodes and incorporating a 2½" speaker.  Medium wave coverage 540-1600 kC/s (kHz). Complete with leather case, crystal earphone, external antenna terminal and external battery connection.

  Sold in Australia between 1960 & 1961 for £31/10/-. Price does not include batteries.
  See also Matsushita branded version.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• Price in first year of sale
• 7,500.00 JPY

• Source of data
• -- Schematic

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook (E Series Handbook, Page N37.)

• Literature/Schematics (2)
• Mingay's Price Service (Feb 1961.)

• Author
• Model page created by José Manuel Silvestre. See "Data change" for further contributors.

• Other Models

• Here you find 3052 models, 2829 with images and 634 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