• Country
• Japan

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

• Year
• 1971 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 332680

• Number of Transistors
• 10

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 115; 200; 220; 240 / D: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9 cm = 3.5 inch

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: R-520B - Panasonic, Matsushita,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 283 x 186 x 77 mm / 11.1 x 7.3 x 3 inch

• Notes

• See also Model RF-520JB with FM.

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

• Author
• Model page created by Martin Kent. See "Data change" for further contributors.

• Other Models

• Here you find 3065 models, 2842 with images and 635 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