• Country
• Denmark

• Manufacturer / Brand
• Oticon A/S; Copenhagen

• Year
• 1960 ??

• Category
• Medical Technology

• Radiomuseum.org ID
• 347091

• Number of Transistors
• 4

• Semiconductors
• OC304 OC304 OC304 OC304

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hearing aid

• Power type and voltage
• Dry Batteries / RL1 Lady 1,5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Metal case

• from Radiomuseum.org
• Model: Oticon Hearing aid 350 - Oticon A/S; Copenhagen

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

• Dimensions (WHD)
• 48 x 65 x 14 mm / 1.9 x 2.6 x 0.6 inch

• Net weight (2.2 lb = 1 kg)
• 0.040 kg / 0 lb 1.4 oz (0.088 lb)

• Author
• Model page created by Wolfgang Gebert. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Oticon A/S; Copenhagen