• Country
• Switzerland

• Manufacturer / Brand
• Philips - Schweiz

• Year
• 1937/1938

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 13261

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

• Number of Tubes
• 6

• Valves / Tubes
• EF5 EK2 EF5 EBC3 EL2 EZ2

• Main principle
• Superhet with RF-stage; ZF/IF 128 kHz

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 247B - Philips - Schweiz

• Notes
• Ch=250B

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Thali-Schemasammlung und Tungsram-Röhrenbestückung.

• Other Models

• Here you find 290 models, 216 with images and 224 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips - Schweiz