Dynamischer Lautsprecher A7 Chassis
Hegra, Hekra, (Marke), Hermann Grau, Berlin-Friedrichshagen - Vorkrieg
- Country
- Germany
- Manufacturer / Brand
- Hegra, Hekra, (Marke), Hermann Grau, Berlin-Friedrichshagen - Vorkrieg
- Year
- 1931/1932
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 156285
Katalog Radio-Zentrale Prohaska 1931/32 S.75
Katalog Radio-Zentrale Prohaska 1931/32 S.75
- Wave bands
- - without
- Power type and voltage
- Direct Current supply (DC) / 110-220 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 21 cm = 8.3 inch
- Material
- Metal case
- from Radiomuseum.org
- Model: Dynamischer Lautsprecher A7 [Chassis] - Hegra, Hekra, Marke, Hermann
- Shape
- Chassis only or for «building in»
- Notes
-
Verwendet im Hegra-Gehäuselautsprecher B7
- Price in first year of sale
- 48.00 RM
- Literature/Schematics (1)
- Katalog Radio-Zentrale Prohaska 1931/32 (S.75, Nr. 500)
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 119 models, 109 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Hegra, Hekra, (Marke), Hermann Grau, Berlin-Friedrichshagen - Vorkrieg