• Country
• Czechoslovakia

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

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 98734

• • alternative name: Telefony Microfona

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH4 ECH4 EBL1 AZ1 EM4

• 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) / 110/220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Power out
• 4 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Mikrofona MK375 - Microphona Mikrofona, Bratri

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 530 x 310 x 270 mm / 20.9 x 12.2 x 10.6 inch

• Price in first year of sale
• 4,090.00 Kcs

• Mentioned in
• Katalog Mikrofona Milos Edler - Radiojournal HRCS

• 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