• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 131028

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

• Number of Transistors
• 6

• Semiconductors
• 2SA201 2SA198 2SA198 2SB270 2SB187 2SB187

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 3 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 2R-25 - Sony Corporation; Tokyo

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes
• Sony 2R-25 All Transistor Radio; white.

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

• Literature/Schematics (1)
• -- Schematic (Schemario di Apparecchi Radio a Transistori Vol. 6° Antonelliana)

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

• Other Models

• Here you find 3989 models, 3849 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo