• Country
• Czechoslovakia

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

• Year
• 1936 ?

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 323887

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

• Number of Tubes
• 2

• Valves / Tubes
• AK2 AZ1

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Schema 24 - Philips akc. spol., Praha-

• Shape
• Chassis only or for «building in»

• Notes

• Convertor from SW in 4 subbands (13-26m, 25-55m, 52-104m, 100-200m)  to LW (1950-2000m).

• Mentioned in
• -- 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