• Country
• Germany

• Manufacturer / Brand
• Philips Radios - Deutschland

• Year
• 1940 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7352

• • Brand: Deutsche Philips-Ges.

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH4 EF9 EF6 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 140; 160; 170; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: 478ML - Philips Radios - Deutschland

• Notes
• Philips 478ML. Feldstärke-Anzeige mittels Schattenzeiger. Es wird der durch die Regelspannung beeinflusste Anodenstrom der EF9 (ZF-Stufe) mit einem Meßwerk zur Anzeige gebracht.

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 2543 models, 2255 with images and 1564 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips Radios - Deutschland