• Country
• Japan

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

• Year
• 1968–1971

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 328575

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

• Number of Transistors
• 7

• Semiconductors

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / AA: 2 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National Panasonic R-1077S - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 2.75 x 4.375 x 1.375 inch / 70 x 111 x 35 mm

• Notes

• National Model R-1077

  A seven transistor, one diode, 1-band pocket portable. Features: 2½" dynamic speaker; leatherette finish plastic case; wrist strap. Powered by two UM-3 penlight batteries. Output 150 mW. Frequency range: 525-1605 kHz. (MINGAY'S PRICE SERVICE)

  See also 9 volt Panasonic version Model R-1077.

• Net weight (2.2 lb = 1 kg)
• 7 lb 8 oz (7.5 lb) / 3.405 kg

• Price in first year of sale
• 43.00 AUS $

• Mentioned in
• Mingay's Price Service (Aug 1968 to Aug 1971.)

• Author
• Model page created by Martin Kent. 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