Kondensatormikrofon SM 4
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Siemens; D S.&: Kondensatormikrofon SM 4 [Microphone/PU] ID = 478219 399x700
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1937 ? | Category: Microphone or Pick-up element |
| Wave bands | - without |
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| Details | |
| Power type and voltage | Storage Battery for all (e.g. for car radios and amateur radios) / 90/4 Volt |
| Loudspeaker | - For headphones or amp. |
| Power out | |
| from Radiomuseum.org | Model: Kondensatormikrofon SM 4 - Siemens; D S.& Halske / S. |
| Material | Metal case |
| Dimensions (WHD) | 350 x 100 x 100 mm / 13.8 x 3.9 x 3.9 inch |
| Notes | Mit Vorverstärker SMV1 (90/4 V). 200 Ohm. |
| Source of data | -- Original prospect or advert |
Model page created by Sandor Selyem-Tóth. See "Data change" for further contributors.
All listed radios etc. from Siemens; D (S.& Halske / S. Electrogeräte)
Here you find 2450 models, 2025 with images and 1273 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
