• Country
• Japan

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

• Year
• 1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 177920

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

• Number of Transistors
• 9

• Semiconductors
• 2SA102 or. MC102 2SA103 or. MC103 2SA55 or. OC45 2SA55 or. OC45 2SB171 or. OC71 2SB171 or. OC71 2SB171 or. OC71 2SB174 or. OC74 2SB174 or. OC74 MA23

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

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / D: 6 x 1,5 Volt

• Loudspeaker
• 2 Loudspeakers

• Power out
• 0.6 W (0.8 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: National 9 Transistor Hi-Fi DB-541B - Panasonic, Matsushita,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 440 x 285 x 205 mm / 17.3 x 11.2 x 8.1 inch

• Notes

• Frequency ranges:
  MW: 535 - 1605 Kc
  SW1: 3.2 - 8.5 Mc
  SW2: 9.0 - 15 Mc
  SW3: 15 - 22 M

  Two speakers: 5" PM and 8" x 5" elliptical PM. Tuning meter.

• Author
• Model page created by Juan José Gonzalez-Reguera. See "Data change" for further contributors.

• Other Models

• Here you find 3004 models, 2780 with images and 628 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