• Country
• Czechoslovakia

• Manufacturer / Brand
• Philips akc. spol., Praha-Hloubetin

• Year
• 1938 ?

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 185338

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

• Number of Tubes
• 3

• Valves / Tubes
• KF4 KF4 KL4

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 2 AM circuit(s)

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

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Schema 22 - Philips akc. spol., Praha-

• Shape
• Chassis only or for «building in»

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 162 models, 137 with images and 124 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips akc. spol., Praha-Hloubetin