• Country
• Czechoslovakia

• Manufacturer / Brand
• Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23114

• • alternative name: Telefony Microfona

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

• Number of Tubes
• 5

• Valves / Tubes
• EK3 EF9 EBL1 AZ1 ME6

• Main principle
• Superheterodyne (common); ZF/IF 485 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radigast MK310 - Microphona Mikrofona, Bratri

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 561 x 360 x 290 mm / 22.1 x 14.2 x 11.4 inch

• Notes

• Für Schallplatten-Wiedergabe (Phono) wird die ZF-Röhre EF9 als NF-Vorstufe verwendet.

• Price in first year of sale
• 1,580.00 CSK

• External source of data
• Erb

• Source of data
• Ceskoslovenske prijimace 1933-1945, Baudys 1947

• 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