• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1962

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 103868

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR-725 [dark grey / anthracite colour] - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 117 x 65 x 34 mm / 4.6 x 2.6 x 1.3 inch

• Notes
• Variante in colore grigio scuro (antracite).
  Variante: dark grey colour.

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

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

• Author
• Model page created by Andrea Furlanis. 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