• Country
• Italy

• Manufacturer / Brand
• Irradio; Milano

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 30564

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

• Number of Tubes
• 4

• Valves / Tubes
• 57 57 41 80

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: A42 - Irradio; Milano

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes

• Lo schema indica una valvole (W30) classificata come Pentodo RF/IF. Per sosituirla occorre modificare i collegamenti del filamento, in quanto la W30 funziona a 13 V, la 41 a 6,3 V
  41 tube might be replaced with W30 tube (Differente heating voltage).

• Price in first year of sale
• 595.00 LIT

• Source of data
• Guida Pratica Antique Radio (1) 1999

• Mentioned in
• La moderna Supereterodina, Ravalico, 1938 (pag. 361)

• Literature/Schematics (1)
• Il Radio Libro (E.D. Ravalico) Edizioni Hoepli

• Author
• Model page created by Alessandro De Poi. See "Data change" for further contributors.

• Other Models

• Here you find 275 models, 202 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Irradio; Milano