• Year
  • 1951–1955
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 85244

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110, 125, 140, 160, 220, 280 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 75 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: G278A - Geloso SA; Milano
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 390 x 220 x 232 mm / 15.4 x 8.7 x 9.1 inch
  • Notes
  • Amplificatore di potenza (combinabile con amplificatore pilota G276A). possibilità di mettere in parallelo sino a 20 unità di G 278A per una potenza max di 1500 watt
  • Net weight (2.2 lb = 1 kg)
  • 15.3 kg / 33 lb 11.2 oz (33.7 lb)
  • Literature/Schematics (1)
  • -- Original prospect or advert (Catalogo Generale Radioprodotti Geloso 1953 e 1954-55, pp. 169-171)
  • Author
  • Model page created by Alessandro De Poi. See "Data change" for further contributors.

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