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TR-730; Sony Corporation; (ID = 183280) Radio
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TR-730; Sony Corporation; (ID = 1229019) Radio
Sony Corporation;: TR-730 [Radio] ID = 1229019 933x1187
Select picture or schematic to display from thumbnails on the right and click for download.
For model TR-730, Sony Corporation; Tokyo:
Ebay Seller coinsantiques.22 Item 150802429059
Country:  Japan
Manufacturer / Brand:  Sony Corporation; Tokyo
Year: 1960 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 2SC73 2SC75 2SC76 2SD65 2SD65 2SD65 2SD65
Main principle Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 3.9 / 4.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 0.09 W (unknown quality)
from Model: TR-730 - Sony Corporation; Tokyo
Material Modern plastics (no Bakelite or Catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 76 x 57 x 29 mm / 3 x 2.2 x 1.1 inch

1963 Sony released a children's book titled 'Randy the Transistor Radio' that featured this radio, brought to life as a cartoon character with arms and legs!

Sony TR-730 supplied with leather carrying case , earphone with leather case , Original battery was SONY M003P 4,5 V

Net weight (2.2 lb = 1 kg) 0.2 kg / 0 lb 7 oz (0.441 lb)
Circuit diagram reference Beitman Radio Diagrams Vol. 24, 1964

Model page created by Egon Penker. See "Data change" for further contributors.

All listed radios etc. from Sony Corporation; Tokyo
Here you find 3542 models, 3398 with images and 753 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.