• Country
• Poland

• Manufacturer / Brand
• Kosmos Radio SA; Warszawa

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 107231

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

• Number of Tubes
• 4

• Valves / Tubes
• AF2 E446 E443 506

• Main principle
• TRF with regeneration

• Tuned circuits
• 3 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: K85A - Kosmos Radio SA; Warszawa

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes

• The first tube (RF amplifier) is the variable mu pentode AF2. So the second schematic (ID: 335156) shows the tube line-up in a wrong order.

  For SW reception the receiver has one tuned circuit after the aperiodic RF amplifier.

• Source of data
• -- Schematic

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 25 models, 23 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kosmos Radio SA; Warszawa