• Country
• Japan

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

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 254717

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

• Number of Transistors
• 8

• Semiconductors
• MC101 MC101 or. MC102 OC45 OC45 OC71 OC71 OC72 OC72 OA70

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 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 All Wave Transistor 8 AB-250H - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 250 x 210 x 70 mm / 9.8 x 8.3 x 2.8 inch

• Notes

• SW range: 3.8 MHz to 12.1 MHz (75 m band to 25 m band).

• Net weight (2.2 lb = 1 kg)
• 5 lb 0 oz (5 lb) / 2.270 kg

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

• Other Models

• Here you find 3052 models, 2829 with images and 634 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