Phonophor Hörgerät (Hearing Aid) alpha

Siemens-Reiniger-Werke AG (SRW); Berlin

  • Year
  • 1951 ?
  • Category
  • Medical Technology
  • Radiomuseum.org ID
  • 344271

 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 x 1.5 & 1 x 22,5 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Phonophor Hörgerät alpha - Siemens-Reiniger-Werke AG SRW;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 60 x 85 x 25 mm / 2.4 x 3.3 x 1 inch
  • Notes
  • Siemens (Reiniger-Werke AG) Hörgerät für Hemd- oder Jackentasche, Modell Phonophor alpha. Frühe Ausführung bestückt mit 2x CK538DX, CK542DX, spätere Ausführung bestückt mit 2x DF67, DL67

  • Net weight (2.2 lb = 1 kg)
  • 0.140 kg / 0 lb 4.9 oz (0.308 lb)
  • Author
  • Model page created by Bernhard Nagel. 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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