Gendis Sony TR-72
Sony Corporation; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Sony Corporation; Tokyo
- Year
- 1956
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 248126
Front
Inside, back.
Back side
Battery-box
Left Side
Right side
In leathercase, front.
In leathercase, front and top.
In leathercase, backside.
In leathercase, left side.
In leathercase, right side.
Inside from leathercase
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 7
- Main principle
- Superheterodyne (common); 3 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 3 x 1,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 10 cm = 3.9 inch
- Power out
- 0.2 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Gendis Sony TR-72 - Sony Corporation; Tokyo
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 260 x 178 x 83 mm / 10.2 x 7 x 3.3 inch
- Notes
-
This early transistor radio, Sony TR-72 came after the TR-55 - in real quantities believed to be about 40,000 Sony TR-72 GENDIS. It is a wooden table top radio. TR-72 arrived in January 1956.
The circuit diagram shown is of a late version of the TR-72 (w/o GENDIS). An early circuit diagram of the TR-72 was shown in Electronics July 1956 "Transistor Circuity in Japan", equipped with 2T51, 2x2T52,2T61,2T62,2x2T61.
- Net weight (2.2 lb = 1 kg)
- 1.9 kg / 4 lb 3 oz (4.185 lb)
- Price in first year of sale
- 23,900.00 yen
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 3992 models, 3852 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sony Corporation; Tokyo
Collections
The model Gendis Sony is part of the collections of the following members.