• Country
• Italy

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

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 30610

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

• Number of Tubes
• 4

• Valves / Tubes
• 6A7 6B7 43 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; Reflex

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110; 160 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tirteo - Marelli Radiomarelli; Sesto

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 365 x 320 x 230 mm / 14.4 x 12.6 x 9.1 inch

• Notes

• Sebbene lo schema indichi anche 220 Volt, i modelli visionati hanno il cambiatensione 110/160V.
  Schematic lists also 220 V mains voltage - although not seen at known models.
  6B7 is reflexed for IF and AF.

  Autotrasformatore: Telaio collegato alla rete elettrica. Non tutti i casi sono dichiarati poichè spesso chi propone il modello non lo può sapere.

  Controllo di volume con attenuazione del segnale dell'antenna.

• Net weight (2.2 lb = 1 kg)
• 5.5 kg / 12 lb 1.8 oz (12.115 lb)

• Price in first year of sale
• 500.00 ITL

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

• Mentioned in
• La moderna Supereterodina, Ravalico, 1938 (pag. 372)

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

• Literature/Schematics (2)
• -- Schematic (Schemario degli Apparecchi Radio. D.E. Ravalico – Hoepli – 1944.)

• 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)