• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1954 ?

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 321726

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

• Number of Tubes
• 2

• Valves / Tubes
• EF41 ECH42

• Main principle
• Superhet with RF-stage; ZF/IF 467 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• 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: Gruppo Alta Frequenza 2604 - Geloso SA; Milano

• Dimensions (WHD)
• 100 x 160 x 140 mm / 3.9 x 6.3 x 5.5 inch

• Notes

• 1 canal para entrada / salida de Fono

  6 canales en total: 5 de Onda Corta + 1 canal OM:

  • Canal 1: 20 MHz - 29 MHz
  • Canal 2: 13 MHz - 19 MHz
  • Canal 3: 8,5 MHz - 11,8 MHz
  • Canal 4: 5 MHz - 7 MHz
  • Canal 5: 1,9 MHz - 4 MHz
  • Canal 6 (Onda Media): 577 kHz - 1430 kHz

  Las medidas estan tomadas con las válvulas puestas

• Author
• Model page created by Josh Toreno. See "Data change" for further contributors.

• Other Models

• Here you find 955 models, 803 with images and 722 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano