• Country
• Japan

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

• Year
• 1980 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 202479

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 220 / 6 x 1,5 Volt

• Loudspeaker
• 4 Loudspeakers / Ø 13 cm = 5.1 inch

• Power out
• 4.6 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National Panasonic 4-Band Stereo Cassette Recorder RS-4250LJ - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 500 x 270 x 145 mm / 19.7 x 10.6 x 5.7 inch

• Notes
• 2-Way-4-Speaker-System (2 Tieftonlautsprecher 13 cm / 3,2 Ohm und 2 Hochtöner 2,5 cm / 8 Ohm). 2 x Endstufen LIN-IC, Type LA4112 / 2 x 2,3 Watt / 4 Ohm. 2 eingebaute Electretmikrofone; Timer-Standby; AFC-schaltbar; 2 Indicator-Instrumente (Level-Batterie-Tuning); Rewind-Autoplay.

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Author
• Model page created by Museum Roggenhofer. See "Data change" for further contributors.

• Other Models

• Here you find 3040 models, 2816 with images and 630 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