• Country
• Italy

• Manufacturer / Brand
• Vertex Radiofrigor; Milano

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 155612

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

• Number of Tubes
• 4

• Valves / Tubes
• 6A8 6K7 6AY8 5Y3

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 140; 150; 220 Volt

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 421 - Vertex Radiofrigor; Milano

• Literature/Schematics (1)
• D.E. Ravalico, Il Radiolibro, VII Edizione Rifatta, Editore Ulrico Hoepli, Milano, 1943

• Author
• Model page created by Eduard Abfalterer. See "Data change" for further contributors.

• Other Models

• Here you find 13 models, 10 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vertex Radiofrigor; Milano