• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1971 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 348811

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

• Number of Transistors
• 6

• Semiconductors
• 2SC710 2SC710 2SC710 2SC870 2SB136 2SB136 1T23

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / AA: 3 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.75 inch = 7 cm

• from Radiomuseum.org
• Model: TR-1825 [6 Transistors] - Sony Corporation; Tokyo

• Notes

• See also the TR-1825 with 3 Transistors and 1 IC.

   

• Mentioned in
• -- Schematic (Schemario Radio Autoradio Mangianastri edizioni "Il Rostro" Italy, marzo 1971.)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 3952 models, 3812 with images and 954 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo