• Country
• Japan

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

• Year
• 1974/1975

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 176520

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

• Number of Transistors
• 6

• Semiconductors
• 2SB173 2SB175 2SB175 2SB172 2SB178 2SB178

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Dry Batteries / 6x1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: RQ-224S - Panasonic, Matsushita,

• Notes
• DIODES: OA70 or OA90

• Source of data
• -- Schematic

• Author
• Model page created by Júlio Branco. See "Data change" for further contributors.

• Other Models

• Here you find 2987 models, 2764 with images and 620 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