• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1960 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 106718

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

• Number of Tubes
• 4

• Valves / Tubes
• 12AT7 12AX7 6V6GT 6V6GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 110-220 / 6 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 12 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: G221A - Geloso SA; Milano

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 280 x 190 x 200 mm / 11 x 7.5 x 7.9 inch

• Notes
• Amplificatore di Alta Qualità. Output power 12 W; variable Output impedance 1.5/500 Ohm.

• Mentioned in
• - - Data from my own collection

• Author
• Model page created by Mario Candelarezi. 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