• Country
• Japan

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

• Year
• 1967 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 259745

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

• Number of Transistors
• 9

• Semiconductors
• 2SA70 2SA101 2SA101 2SB346 2SB346 2SC183 2SB324 2SB324 2SB324 OA70

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Details
• Record Player (not changer)

• Power type and voltage
• Line / Batteries (any type) / 110; 200; 225; 250 / D: 6 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National 3 Band 9 Transistor Radio Phonograph SG-660D - Panasonic, Matsushita,

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

• Notes

• Frequency Range
  MW:  525 - 1605 kHz
  SW1: 2.7 - 7 MHz
  SW2:  7 - 22 MHz

  Motor speed: 33 1/3 & 45 r.p.m.

  Jack for earphone that exclude internal speaker.
  Tone control.

• Mentioned in
• -- Schematic (Schemario Radio Autoradio Mangianastri edizioni "Il Rostro" Italy, March 1971.)

• Author
• Model page created by Daniel Rosha. See "Data change" for further contributors.

• Other Models

• Here you find 3036 models, 2812 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