Please click your language flag. Bitte Sprachflagge klicken.

Berliner Hörbrille

Berliner Hörbrille ; Accumed, Berlin (ID = 837122) Misc
Use red slider bar for more.
Berliner Hörbrille ; Accumed, Berlin (ID = 837122) Misc
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  Germany
Manufacturer / Brand:  Accumed, Berlin
Year: 1955 Category: Miscellaneous (Other, Various) - see notes
Valves / Tubes 2: DF64 or DF651 DF64 or DF651
Semiconductors (the count is only for transistors) 1: OC71
Main principle Audio-Amplification
Wave bands - without
Details Hearing aid
Power type and voltage Dry Batteries / 15 & 1,2 Volt
Loudspeaker -Loudspeaker incorporated, but system not known.
Power out
from Model: Berliner Hörbrille - Accumed, Berlin
Material Various materials
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Notes Endstufentransistor OC71.
Form: Brillenform (Hörbrille). Verstärker in Brillenbügel. Die erste Hörbrille in Deutschland wurde durch Professor Schumann bei der Firma Accumed, Berlin, im Jahre 1955 entwickelt.
Mentioned in Rost Kristalloden Technik, 2. Aufl. 1956, S.229
Literature/Schematics (1) G. Wieland: Die Entwicklung der Hörhilfen, Elektromedizin Band 6/1961 S. 130 ff.

Model page created by Marc Gianella. See "Data change" for further contributors.

All listed radios etc. from Accumed, Berlin
Here you find 2 models, 1 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.