Phonophor Hörgerät (Hearing Aid) Beta

Siemens-Reiniger-Werke AG (SRW); Berlin

  • Year
  • 1953 ?
  • Category
  • Medical Technology
  • Radiomuseum.org ID
  • 344217

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification; 3 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Hearing aid
  • Power type and voltage
  • Dry Batteries / AA: 1,25V & 15F20: 22,5 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Phonophor Hörgerät Beta - Siemens-Reiniger-Werke AG SRW;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 62 x 100 x 25 mm / 2.4 x 3.9 x 1 inch
  • Notes
  • Hörgerät für Hemd- bzw. Jackentasche, Kunststoff-Gehäusehalbschalen.
    Frühe Produktion: Röhren von Raytheon 2x CK549DX, CK542DXS,
    späte Produktion: Röhren von Hivac 2x XFW40, XFY43

  • Net weight (2.2 lb = 1 kg)
  • 0.115 kg / 0 lb 4.1 oz (0.253 lb)
  • Author
  • Model page created by Wolfgang Gebert. See "Data change" for further contributors.

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The model Phonophor Hörgerät (Hearing Aid) is part of the collections of the following members.

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