Phonophor Hörgerät (Hearing Aid) Delta
Siemens-Reiniger-Werke AG (SRW); Berlin
- Country
- Germany
- Manufacturer / Brand
- Siemens-Reiniger-Werke AG (SRW); Berlin
- Year
- 1955 ?
- Category
- Medical Technology
- Radiomuseum.org ID
- 344218
- Number of Tubes
- 2
- Number of Transistors
- 1
- Semiconductors
- OC71
- Main principle
- Audio-Amplification; 3 AF stage(s)
- Wave bands
- - without
- Details
- Hearing aid
- Power type and voltage
- Dry Batteries / RM-1: 1,25 V & Pertrix 74: 15 Volt
- Loudspeaker
- - only for Earphone!
- Material
- Metal case
- from Radiomuseum.org
- Model: Phonophor Hörgerät Delta - Siemens-Reiniger-Werke AG SRW;
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 50 x 87 x 23 mm / 2 x 3.4 x 0.9 inch
- Notes
-
Hörgerät für Hemd- bzw. Jackentasche, Metall-Gehäusehalbschalen
Hybridschaltung ähnlich oder identisch zu Accumed Berliner Hörbrille
- Net weight (2.2 lb = 1 kg)
- 0.1 kg / 0 lb 3.5 oz (0.22 lb)
- Author
- Model page created by Wolfgang Gebert. See "Data change" for further contributors.
- Other Models
-
Here you find 11 models, 10 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Siemens-Reiniger-Werke AG (SRW); Berlin
Collections
The model Phonophor Hörgerät (Hearing Aid) is part of the collections of the following members.