• Year
  • 1939/1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 12509

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 483 kHz
  • Power type and voltage
  • Alternating Current supply (AC) / 110-250 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 404 - Minerva Schweiz Marke von
  • Notes
  • ZF auch 468
  • 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.

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