• Country
• Poland

• Manufacturer / Brand
• Kosmos Radio SA; Warszawa

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 106705

• Number of Tubes
• 4

• Valves / Tubes
• KK2 KF4 KB2 KL4

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

• from Radiomuseum.org
• Model: Royal K-91 B - Kosmos Radio SA; Warszawa

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 24 models, 21 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