• Country
• Germany

• Manufacturer / Brand
• Philips Radios - Deutschland

• Year
• 1937/1938

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

• Radiomuseum.org ID
• 7304

• • Brand: Deutsche Philips-Ges.

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

• Number of Tubes
• 6

• Valves / Tubes
• EF5 EK2 EF5 EBC1 EL2 EZ2

• Number of Transistors

• Semiconductors
• 7856

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

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

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

• from Radiomuseum.org
• Model: 247B - Philips Radios - Deutschland

• Notes
• Ch=248-50B Preis von Philips Praha 1938/39

• Price in first year of sale
• 2,600.00 CZK

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + FS-Bestückungstabellen

• Other Models

• Here you find 2540 models, 2252 with images and 1555 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips Radios - Deutschland