7-Transistor Rechargeable Radio TR-770R
Crown Radio Corp.; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Crown Radio Corp.; Tokyo
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 237216
-
- alternative name: Asahi Radio Mfg. Co., Ltd
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 7
- Semiconductors
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage and/or dry batteries / 3,75 / 2 x 1,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: 7-Transistor Rechargeable Radio TR-770R - Crown Radio Corp.; Tokyo
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 2.5 x 4 x 1 inch / 64 x 102 x 25 mm
- Notes
-
Crown 7 Transistor Rechargeable AM Radio Model TR-770R.
Tuning Range: 535 - 1605 kHz.
Battery 3,75V Crown Ni-Cd Battery Type B-3.
Made in Japan.
- Author
- Model page created by Franz Scharner. See "Data change" for further contributors.
- Other Models
-
Here you find 355 models, 323 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Crown Radio Corp.; Tokyo