• Country
• Japan

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

• Year
• 1977

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78273

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 2000/455 kHz

• Wave bands
• Broadcast, more than 2 SW bands plus FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 110; 220 / 6 x 1,5 Volt

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

• Power out
• 3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Proceed RF-2800 - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 380 x 250 x 120 mm / 15 x 9.8 x 4.7 inch

• Notes
• shortwave coverage 3200 - 30000 kHz, AM/SSB(BFO), digital LED frequency readout on AM bands only;
  identical model sold in Japan as RF-2800
  similar model DR-28 sold in Europe with additional longwave band, blue fluorescent display also working on FM.

• Net weight (2.2 lb = 1 kg)
• 3.6 kg / 7 lb 14.9 oz (7.93 lb)

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

• Other Models

• Here you find 3040 models, 2816 with images and 630 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