• Country
• Japan

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

• Year
• 1967–1972

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 238534

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

• Number of Transistors
• 8

• Semiconductors
• 2SA341 2SA101 2SA101 2SB173 2SB175 2SB175 2SB176 2SB176 OA70

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

• Wave bands
• Broadcast and Short Wave (SW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 cm = 2.6 inch

• Power out
• 0.2 W (0.35 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National Panasonic "Panasonic 8" R-220J - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 6.5 x 4.125 x 1.625 inch / 165 x 105 x 41 mm

• Notes

• National Model R-220J

  An eight transistor, two diode, two-band portable radio. Features; modern metallic finish; 2½" PM dynamic speaker; 350 mW output; tone control switch. Jacks for earphone, external power and external antenna. Powered by four Type UM-3 cells. (MINGAY'S PRICE SERVICE)

  SW: 5.9 - 18 MHz.
  AM: 525 - 1605 kHz.

  See also Model R-220H.

• Net weight (2.2 lb = 1 kg)
• 1 lb 0 oz (1 lb) / 0.454 kg

• Mentioned in
• Mingay's Price Service (Feb 1968 to Feb 1972.)

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook

• Author
• Model page created by Rudolf Nemeth. See "Data change" for further contributors.

• Other Models

• Here you find 2987 models, 2764 with images and 621 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