• Country
• Austria

• Manufacturer / Brand
• Vienna - Radio Urania, Ing. May & Köhler; Wien

• Year
• 1951

• Category
• Medical Technology

• Radiomuseum.org ID
• 222364

• Number of Tubes
• 3

• Valves / Tubes
• DF67 DF67 DL67

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Details
• Hearing aid

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - only for Earphone!

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Vienna Hörgerät OV - Vienna - Radio Urania, Ing.

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

• Dimensions (WHD)
• 65 x 123 x 25 mm / 2.6 x 4.8 x 1 inch

• Notes
• Hörgerät Vienna OV.

• Mentioned in
• Werbeschaltung in A-Radiotechnik-Radioamateur Juni 1951 S.242

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vienna - Radio Urania, Ing. May & Köhler; Wien