• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1935–1939 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 177265

• Wave bands
• - without

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16.9 cm = 6.7 inch

• Power out
• 3 W (unknown quality)

• from Radiomuseum.org
• Model: Altoparlante Elettrodinamico W-3 - Geloso SA; Milano

• Dimensions (WHD)
• 169 x 169 x 88 mm / 6.7 x 6.7 x 3.5 inch

• Notes
• La serie W-3 era costituita da 4 tipi diversi di valore della bobina di campo: 1400, 1600, 2000, 2500 Ohm (modello con trasformatore di uscita), mentre da 18000 Ohm (senza trasformatore di uscita). La bobina mobile ha il valore di 2,2 ohm

• Net weight (2.2 lb = 1 kg)
• 1.050 kg / 2 lb 5 oz (2.313 lb)

• Price in first year of sale
• 62.00 Lire

• Mentioned in
• Bollettino Tecnico Geloso (n° 22, n° 30A)

• Author
• Model page created by Guido Rubino. See "Data change" for further contributors.

• Other Models

• Here you find 952 models, 803 with images and 716 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano