• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1957 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71249

• 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: TR71, TR 71 TR-71 - Sony Corporation; Tokyo

• Notes
• Probably 1957 SONY produced the TR-71. The TR-71 is a portable set. This information for Sony TR-6 has been taken from: http://www.etedeschi.ndirect.co.uk/sony/sony.list.htm

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

• Other Models

• Here you find 4004 models, 3852 with images and 959 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo