• Country
• Japan

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

• Year
• 1969

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 119146

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

• Number of Transistors
• 9

• Semiconductors
• 2SA71 2SA71 2SA70 2SA70 2SA70 2SB173 2SB175 2SB176 2SB176 OA70 OA70 OA70

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Short Wave plus FM or UHF.

• Details
• Record Player (not changer)

• Power type and voltage
• Batteries / addl. power jack / D: 6 x 1.5 / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 1.5 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Panasonic Radio Phonograph SG-551 F [3 bands] - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 320 x 90 x 260 mm / 12.6 x 3.5 x 10.2 inch

• Notes

• SW: 3.9 ... 12.5 MHz
  Speeds: 33 1/3 & 45 rpm.

  See also National SG-551F with 2 bands (FM and AM) made in Mexico.

  Made in Japan.

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

• Author
• Model page created by Romolo Amazio. See "Data change" for further contributors.

• Other Models

• Here you find 2987 models, 2764 with images and 620 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