- Country
- Czechoslovakia
- Manufacturer / Brand
- Elektra, Pražský obchod potřebami pro domácnost; Praha
- Year
- 1950–1952
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 88545
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 1
- Valves / Tubes
- UCH21
- Number of Transistors
- Semiconductors
- Tr.Gl.=Metal-rectif.
- Main principle
- TRF with regeneration
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- AC/DC-set / 120, 150, 220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch
- Power out
- 0.06 W (unknown quality)
- Material
- Bakelite case
- from Radiomuseum.org
- Model: Sonoreta U21 - Elektra, Pražský obchod
- Shape
- Tablemodel without push buttons, Mantel/Midget/Compact up to 14
- Dimensions (WHD)
- 170 x 110 x 115 mm / 6.7 x 4.3 x 4.5 inch
- Notes
- Allstrom-Ausführung der Sonoreta E21. Bausatz/Kit.
- Net weight (2.2 lb = 1 kg)
- 1.7 kg / 3 lb 11.9 oz (3.744 lb)
- Mentioned in
- -- Schematic (Radiojournal (CZ))
- Literature/Schematics (1)
- -- Original-techn. papers.
- Author
- Model page created by Berthold Bosch † 13.2.19. See "Data change" for further contributors.
- Other Models
-
Here you find 29 models, 27 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Elektra, Pražský obchod potřebami pro domácnost; Praha