• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1970 ??

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 161581

• Number of Tubes
• 1

• Valves / Tubes
• 230DB4

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 117/ 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor TV Receiver TV-900U - Sony Corporation; Tokyo

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 9 x 10 x 9 inch / 229 x 254 x 229 mm

• Notes
• Sony TV-900U Transistor TV Receiver;
  ~9" b/w portable TV with US FCC standard VHF turret & UHF dial tuner, screen shield, earphones jack, 23/15 W power consumption, built-in batt. charger, made in Japan.

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Mentioned in
• Photofact Folder, Howard W. SAMS (Set 970, Folder 3, 7-1968)

• Author
• Model page created by a member from A. 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