B700-4k
Tesla; Praha, Bratislava etc.
- Country
- Czechoslovakia
- Manufacturer / Brand
- Tesla; Praha, Bratislava etc.
- Year
- 1981 ??
- Category
- Sound/Video Recorder and/or Player
- Radiomuseum.org ID
- 304710
-
- Brand: Supraphon
Tesla - B 700 - 4K
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Details
- Tape Recorder
- Power type and voltage
- Alternating Current supply (AC) / 220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: B700-4k - Tesla; Praha, Bratislava etc.
- Shape
- Book-shelf unit.
- Dimensions (WHD)
- 460 x 160 x 310 mm / 18.1 x 6.3 x 12.2 inch
- Notes
-
Professionally modified variant of B700 by Letecke opravovne Banska Bistrica (Aircraft Repair Slovakia). This type had only one speed 4.75 cm / s and 1-track erase head and two 4-track combined record and playback heads. It was designed to record up to 4 phone calls at a time. For each channel, the recording level could be individually regulated.
- Author
- Model page created by Gabriel Toth. See "Data change" for further contributors.
- Other Models
-
Here you find 1832 models, 1138 with images and 643 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tesla; Praha, Bratislava etc.
Collections
The model is part of the collections of the following members.