National Panasonic AC-Battery Hi-Fi All Transistor R-441B

• Country
• Japan

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

• Year
• 1966 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 124445

• Picture
• Schematics

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

• Number of Transistors
• 8

• Semiconductors
• 2SA341 2SA101 2SA101 2SB173 2SB173 2SB175 2SB178 2SB178

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Line / Batteries (any type) / 110 - 125; 220 - 250 / 4 × 1,5 Volt

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: National Panasonic AC-Battery Hi-Fi All Transistor R-441B - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 300 x 180 x 100 mm / 11.8 x 7.1 x 3.9 inch

• Notes
• National Panasonic R-441B AC-Battery Hi-Fi All Transistor;
  SW1 1,6 - 4,5 MHz,
  SW2 4,5 - 12 MHz,
  SW3 12 - 28,1 MHz,
  fine tuning control, tone switch, terminals for phono, earphone or ext. speaker, ext. antenna & earth, built-in storage space for accessories like an earphone, made in Japan.

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3049 models, 2826 with images and 632 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