• Country
• Japan

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

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 317533

• Number of Transistors
• 8

• Semiconductors
• 2SA70 2SA101 2SA101 2SB173 2SB171 2SB175 2SB178 2SB178 OA90

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

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / D: 3 x 1.5 Volt

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

• Power out
• 0.3 W (0.5 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National Panasonic All Transistor R-311 - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 230 x 130 x 55 mm / 9.1 x 5.1 x 2.2 inch

• Notes

• variante du R-310 et du R-310Y

  sur le R311 MW = 525-1605 KHz SW1 = 2.3-7 MHz SW2 = 7-22 MHz

• Literature/Schematics (1)
• - - Manufacturers Literature (National Schematic Diagrams - Radio, Ref. No. I - 22.)

• Author
• Model page created by Daniel Jecker. See "Data change" for further contributors.

• Other Models

• Here you find 2987 models, 2764 with images and 620 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