Super Sensitive Transistor TR-840D
Sony Corporation; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Sony Corporation; Tokyo
- Year
- 1964–1967
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 141342
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 8
- Main principle
- Superheterodyne (common)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Power type and voltage
- Dry Batteries / 6 x 1,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Power out
- 1.8 W (unknown quality)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Super Sensitive Transistor TR-840D - Sony Corporation; Tokyo
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 276 x 215 x 90 mm / 10.9 x 8.5 x 3.5 inch
- Notes
-
Sony TR-840D is a solid state battery operated 3-band portable receiver.
Has fine tuning (bandspread capacitor) for SW.
SW1: 2 ... 6 MHz
SW2: 6 ... 10 MHzSee also Sony TR-840DA with additional AC powering option.
- Price in first year of sale
- 51.45 AUS £
- Source of data
- - - Manufacturers Literature
- Mentioned in
- Mingay's Price Service (Feb 1965 to Aug 1967.)
- Literature/Schematics (1)
- J.R. Publications Transistor Radio Service Handbook (Group C3, 1966, Page S39c.)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 3923 models, 3783 with images and 950 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sony Corporation; Tokyo
Collections
The model Super Sensitive Transistor is part of the collections of the following members.