• 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
• 259273

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

• Number of Transistors
• 8

• Semiconductors
• 2SA103 2SA103 2SA102 2SA102 2SB173 2SB171 2SB176 2SB176 OA70 MA23

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

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / D: 4 x 1,5 Volt

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

• Power out
• 0.25 W (0.35 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National 2 Band 8 Transistor BT-252H - Panasonic, Matsushita,

• Notes

• Frequency Range
  AM:  540 - 1600 kHz
  SW: 3.75 - 12 MHz

  See also National BT-252J with different SW band reception.

• Mentioned in
• -- Schematic

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

• Other Models

• Here you find 2989 models, 2766 with images and 622 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