• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 121728

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

• Number of Tubes
• 4

• Valves / Tubes
• 6K8G 6K7G 6Q7G 6E5

• Main principle
• Superheterodyne (common); ZF/IF 467 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Powered by external power supply or a main unit. / 250 / -3 /6,3 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Sintonizzatore a pulsanti G20SW - Geloso SA; Milano

• Notes
• Simile al sintonizzatore G20-R, ma con gruppo alta frequenza N. 1889 invece che 1888. Il sintonizzatore deve essere collegato, per il suo funzionamento, con l'alimentatore-amplificatore G22R or G23R or G24R.

• Literature/Schematics (1)
• Bollettino Tecnico Geloso (N.33 autunno 1939)

• Author
• Model page created by Giuseppe Antonio Tusini. See "Data change" for further contributors.

• Other Models

• Here you find 956 models, 803 with images and 723 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano