• Country
• Switzerland

• Manufacturer / Brand
• Philips - Schweiz

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13278

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

• Number of Tubes
• 4

• Valves / Tubes
• KK2 KH1 KBC1 KL4

• Main principle
• Superheterodyne (common); ZF/IF 464 kHz

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

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

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

• from Radiomuseum.org
• Model: Koffer-Radio 228B - Philips - Schweiz

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 310 x 210 x 320 mm / 12.2 x 8.3 x 12.6 inch

• Net weight (2.2 lb = 1 kg)
• 10.8 kg / 23 lb 12.6 oz (23.789 lb)

• 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.

• Mentioned in
• Les Radio PHILIPS de collection

• 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