- Country
- Czechoslovakia
- Manufacturer / Brand
- Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice
- Year
- 1938/1939
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 140288
-
- alternative name: Telefony Microfona
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Main principle
- TRF with regeneration; Reaction
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 125; 150; 220; 240 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch
- Material
- Wooden case
- from Radiomuseum.org
- Model: MK219 [3] - Microphona Mikrofona, Bratri
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 500 x 280 x 250 mm / 19.7 x 11 x 9.8 inch
- Net weight (2.2 lb = 1 kg)
- 9.5 kg / 20 lb 14.8 oz (20.925 lb)
- Literature/Schematics (1)
- Ceskoslovenske prijimace 1933-1945, Baudys 1947
- Author
- Model page created by Josef Smitka. See "Data change" for further contributors.
- Other Models
-
Here you find 69 models, 52 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice
Collections
The model is part of the collections of the following members.