• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1956

• Category
• Medical Technology

• Radiomuseum.org ID
• 123056

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

• Number of Transistors
• 3

• Semiconductors
• OC70 OC70 OC70

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hearing aid

• Power type and voltage
• Dry Batteries / 1,5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Uditofono Hearing Aid 9051 - Geloso SA; Milano

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 59 x 21 x 70 mm / 2.3 x 0.8 x 2.8 inch

• Notes
• Amplificatore tascabile a lunga autonomia per deboli di udito.
  Alimentazione con batteria a secco, 1,5 volt contenuta nell'apparecchio stesso.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Literature/Schematics (1)
• Bollettino Tecnico Geloso (n. 66 autunno 1956)

• Author
• Model page created by Giuseppe Antonio Tusini. See "Data change" for further contributors.

• Other Models

• Here you find 956 models, 803 with images and 724 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano