• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1954/1955

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 85302

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

• Number of Tubes
• 5

• Valves / Tubes
• 12AT7 12AX7 6V6 6V6 5Y3

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110, 125, 140, 160, 220 Volt

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

• Power out
• 8 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: G211A - Geloso SA; Milano

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 328 x 178 x 194 mm / 12.9 x 7 x 7.6 inch

• Notes

• Amplificatore bassa frequenza 8-13 W.

  Note: The semiconductor diode providing the negative gate voltage for the 6V6 output triodes points in the wrong direction (as per todays usage).

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Mentioned in
• -- Original-techn. papers. (Bollettino Tecnico Geloso N. 55)

• Literature/Schematics (1)
• Catalogo Generale Radioprodotti Geloso 1954-55, p. 162

• Author
• Model page created by Alessandro De Poi. 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