• Country
• Japan

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

• Year
• 1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 309276

• Number of Transistors
• 6

• Semiconductors
• 2T51 2T52 2T52 2T66 2T63 2T63

• 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
• Dry Batteries / AA: 4 x 1.5 Volt

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

• Power out
• 0.06 W (0.1 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National All Transistor-Six UB-150 - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 141 x 89 x 37 mm / 5.6 x 3.5 x 1.5 inch

• Notes

• National (Panasonic) first transistor radio with Sony oval transistors.

• Mentioned in
• - - Manufacturers Literature (Panasonic 100 years of 'better' (1918-2018))

• Author
• Model page created by Jim Greig. See "Data change" for further contributors.

• Other Models

• Here you find 2989 models, 2766 with images and 622 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