• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1962

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 117603

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

• Number of Tubes
• 4

• Valves / Tubes
• EC86 ECC88 ECF80 ECF80

• Main principle
• RF Converter/Adapter (not voltage converter)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Converter G4/151 - Geloso SA; Milano

• Notes
• Input 144···146 MHz, output 26···28 MHz.
  170 Volt DC & 6,3 Volt AC.

• Literature/Schematics (1)
• Bollettino Tecnico Geloso (n. 85, estate 1962)

• Author
• Model page created by Arpad Roth † 27.3.17. 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