• Year
  • 1950 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 136497

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: Mono-Pac - Beltone Hearing Aid Company;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • Beltone Mono-Pac;
    Hearing aid, black case, needs two batteries.
  • Source of data
  • -- Collector info (Sammler)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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