R-1077

• Country
• Japan

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

• Year
• 1970 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 83977

• Picture
• Schematics

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

• Number of Transistors
• 7

• Semiconductors
• 2SA102 2SA101 2SA101 2SB171 2SB175 2SB176 2SB176

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Power out
• 0.25 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

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

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

• Dimensions (WHD)
• 70 x 110 x 35 mm / 2.8 x 4.3 x 1.4 inch

• Notes

• Panasonic 1-Band 7-Transistor AM Portable Radio Model R-1077.
  Tuning Range AM 525 - 1605 kHz.
  Made in Japan.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Panasonic Service Manual No. RD-466

• Author
• Model page created by Ervé Leclercq. 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