• Country
• Japan

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

• Year
• 1972 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 120148

• Number of Transistors
• 12

• Semiconductors

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 110-200; 225-250 / 9 (6 x UM-1) Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 cm = 4.7 inch

• Power out
• 2.5 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: R-540 B - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 330 x 260 x 120 mm / 13 x 10.2 x 4.7 inch

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

• Author
• Model page created by Khaldoun Kayed. See "Data change" for further contributors.

• Other Models

• Here you find 2999 models, 2774 with images and 626 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