G57SW Valvole serie octal

Geloso SA; Milano

  • Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 121759

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 467 kHz
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 140; 160; 220; Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 4 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: G57SW [Valvole serie octal] - Geloso SA; Milano
  • Notes
  • Simile alla G57R, ma con gruppo A.F. N. 1916 e scala parlante N. 1781. Ricezione: OC1 13-27 m, OC2 27-55 m, OC3 55-170 m, OM 190-580 m.
    Wave bands: BC, 3x SW.

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