Super Sensitive Tuned RF Stage R-399

• Country
• Japan

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

• Year
• 1970–1975

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 159893

• Picture
• Schematics

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

• Number of Transistors
• 12

• Semiconductors
• 2SC920 2SC920 2SC829 2SC829 2SB175 2SB171 2SB173 2SB175 2SB176 2SB176 2SB176 2SB176

• Main principle
• Superhet with RF-stage

• 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)

• Power out
• 0.7 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Super Sensitive Tuned RF Stage R-399 - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 250 x 150 x 65 mm / 9.8 x 5.9 x 2.6 inch

• Notes

• National-Panasonic R-399, Super Sensitive, Tuned RF Stage;
  MW: 525 - 1605 kHz,
  SW1: 2.3 - 7 MHz,
  SW2: 7 - 22 MHz,

  Tuning/batt. meter, dial light, tone & volume slide controls, fine tuning, telescopic antenna, chrome front grille, 12 transistors, 4 diodes, earphones port, earth & ext. antenna in, sold in brown leather carrying case.

  Made in Japan.

• Net weight (2.2 lb = 1 kg)
• 3.5 kg / 7 lb 11.3 oz (7.709 lb)

• Price in first year of sale
• 101.25 AUS $

• Mentioned in
• Mingay's Price Service (Aug 1970 to Aug 1975.)

• Author
• Model page created by a member from A. 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