• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71240

• Number of Transistors
• 7

• Semiconductors

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR7, TR 7 TR-7 - Sony Corporation; Tokyo

• Notes
• This early transistor radio, TR-7 or TR7 (TR 7) came after the TR55. The Sony TR-7 or TR7 (TR 7) is a top table radio.

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 3913 models, 3773 with images and 947 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo