• Country
• Italy

• Manufacturer / Brand
• Marelli (Radiomarelli); Sesto San Giovanni (MI)

• Year
• 1938–1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 94722

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

• Number of Tubes
• 5

• Valves / Tubes
• 12A8GT 12K7GT 12Q7GT 35L6GT 35Z4GT or 25X5

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110/125 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Fido 9U15/OC - Marelli Radiomarelli; Sesto

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• 25X5GT per 110V: 35Z4GT per 125V.

• Source of data
• Guida Pratica Antique Radio II (2000)

• Literature/Schematics (1)
• Schemi di apparecchi radio ( Ravalico 1953 ) (pag. 134-136)

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

• Other Models

• Here you find 487 models, 378 with images and 300 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marelli (Radiomarelli); Sesto San Giovanni (MI)