- Country
- Czechoslovakia
- Manufacturer / Brand
- Tesla; Praha, Bratislava etc.
- Year
- 1974 ?
- Category
- Sound/Video Recorder and/or Player
- Radiomuseum.org ID
- 351428
-
- Brand: Supraphon
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: B70/4k - Tesla; Praha, Bratislava etc.
- Shape
- Tablemodel without push buttons, Mantel/Midget/Compact up to 14
- Dimensions (WHD)
- 450 x 140 x 300 mm / 17.7 x 5.5 x 11.8 inch
- Notes
-
4 channel tape recorder for military air-traffic controll communication record. By manufacturer modified model of B70.
- Author
- Model page created by Gabriel Toth. See "Data change" for further contributors.
- Other Models
-
Here you find 1874 models, 1199 with images and 681 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tesla; Praha, Bratislava etc.