• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1932

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 121413

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

• Number of Tubes
• 1

• Valves / Tubes
• 224

• Power type and voltage
• Powered by external power supply or a main unit. / 400 & 2,5 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: preamplificatore per fotocellula G11 - Geloso SA; Milano

• Shape
• Chassis only or for «building in»

• Notes
• Preamplificatore per cellula fotoelettrica: L'alimentazione anodica e del filamento viene presa dall'amplificatore

• Literature/Schematics (1)
• Bollettino Tecnico Geloso (N. 6-7 del 1932-33)

• 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 724 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano