Schalldose Form A
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Hegra, Hekra, Marke,: Schalldose Form A [Microphone/PU] ID = 1887240 1400x1855
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1929 | Category: Microphone or Pick-up element |
| Wave bands | - without |
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| Details | |
| Power type and voltage | No Power needed |
| Loudspeaker | Magnetic loudspeaker (reed) of high quality (4 magnet poles). |
| Power out | |
| from Radiomuseum.org | Model: Schalldose Form A - Hegra, Hekra, Marke, Hermann |
| Material | Metal case |
| Shape | Chassis only or for «building in» |
| Price in first year of sale | 12.00 RM |
| Mentioned in | A. Stark, Preisliste 1929 |
Model page created by a member from D. See "Data change" for further contributors.
All listed radios etc. from Hegra, Hekra, (Marke), Hermann Grau, Berlin-Friedrichshagen - Vorkrieg
Here you find 107 models, 92 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
