• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1932

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 353288

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

• Wave bands
• - without

• Power type and voltage
• Direct Current supply (DC) / 110-120; 220-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Altoparlante Elettrodinamico Grazioso - Geloso SA; Milano

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 201 x 104 x 201 mm / 7.9 x 4.1 x 7.9 inch

• Notes

• Altoparlante elettrodinamico previsto per alimentazione della bobina di campo anche direttamente dalle reti in Corrente Continua. Per questa evenienza erano previsti due tipi con bobine di campo da 2500 Ω per tensioni 110-120 VDC e da 7500 Ω per tensioni 220-240 VDC.  

• Mentioned in
• -- Original-techn. papers. ("Bollettino Tecnico Geloso" numero 6 dicembre 1932)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 956 models, 803 with images and 723 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano