• Year
  • 1963 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 325192

 Technical Specifications

  • Number of Transistors
  • 5
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hearing aid
  • Power type and voltage
  • Dry Batteries / AAA: 2 x 1.5 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Hearing aid M G S/77 - Unknown - CUSTOM BUILT: Europe
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 64 x 80 x 25 mm / 2.5 x 3.1 x 1 inch
  • Notes
  • Hearing aid. Internal magnetic microphone. Output for earphones.

  • Net weight (2.2 lb = 1 kg)
  • 0.088 kg / 0 lb 3.1 oz (0.194 lb)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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The model Hearing aid is part of the collections of the following members.

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