Markofon B452

• Country
• Czechoslovakia

• Manufacturer / Brand
• Markofon-Radio, Ing. Markov a Spol; Brno

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 124446

• Picture
• Schematics

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Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• DK21 or 1A7 DF21 or 1N5 DAC21 or 1H6 DL21 or 1Q5

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Storage and/or dry batteries / 1.4 + 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Various materials

• from Radiomuseum.org
• Model: Markofon B452 - Markofon-Radio, Ing. Markov a

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• After 1949 (nationalizing) the Markofon B452 was produced under the brand Tesla. The case of the Markofon B452 is mady with wood, covered by plastic skin and it has a bakelite mask with the glass scale.

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 19 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Markofon-Radio, Ing. Markov a Spol; Brno