• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1963 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 126492

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / 4 × 1,5 Volt

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

• Power out
• 0.27 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: TR-720L - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 150 x 80 x 40 mm / 5.9 x 3.1 x 1.6 inch

• Notes
• Corps du boitier plastique, façade et grille métal - certains modèles, assemblés à SONY LIMITED (Shannon, Irlande) - deux couleurs connues : noir ou blanc -fourni avec sac en cuir rigide et écouteur - piles de type LR6.
  Cabinet made from plastic, metal frontplate / speaker grill; known in black and white colour.
  Some of the sets assembled by SONY LIMITED (Shannon, Ireland); accessories leather bag and earphones, uses LR6 type batteries.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Jean Claude Pigeon † 2008. See "Data change" for further contributors.

• Other Models

• Here you find 4017 models, 3873 with images and 965 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo