• Country
• Italy

• Manufacturer / Brand
• SITI (Società Industrie Telefoniche Italiane) - Ing. Doglio

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 117716

• • Brand: Siti

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

• Number of Tubes
• 5

• Valves / Tubes
• 51 51 51 47 or 247 or PZ 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 160; 220 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 53 - SITI Società Industrie

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Notes

• Controllo di tono.

  Antenna fittizia realizzata con il collegamento della rete elettrica di alimentazione alla presa di antenna dell'apparecchio tramite due condensatori di isolamento.
  Regolazione del volume sugli stadi in AF.
  Ingresso Fono.

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

• Mentioned in
• Guida Pratica Antique Radio III (2000)

• Literature/Schematics (1)
• -- Schematic (Schemario degli Apparecchi Radio. D.E. Ravalico – Hoepli – 1944.)

• Literature/Schematics (2)
• Schemario di apparecchi radio a valvole (II edizione, D.E. Ravalico - Hoepli - 1945)

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

• Other Models

• Here you find 46 models, 39 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SITI (Società Industrie Telefoniche Italiane) - Ing. Doglio