M31b
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Beyerdynamic;: M31b [Microphone/PU] ID = 315511 118x473
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1954–1956 | Category: Microphone or Pick-up element |
| Wave bands | - without |
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| Details | |
| Power type and voltage | No Power needed |
| Loudspeaker | |
| Power out | |
| from Radiomuseum.org | Model: M31b - Beyerdynamic; Heilbronn |
| Dimensions (WHD) | 30 x 155 x 30 mm / 1.2 x 6.1 x 1.2 inch |
| Notes | Bändchen-Mikrofon; Achtercharakteristik; 40-10000 Hz. Im HdB d.Rdf-& Ferns-GrH 1954/55 ohne "b" geführt. |
| Net weight (2.2 lb = 1 kg) | 0.4 kg / 0 lb 14.1 oz (0.881 lb) |
| Price in first year of sale | 280.00 DM |
| Source of data | HdB d.Rdf-& Ferns-GrH 1955/56 |
Model page created by Bernd P. Kieck. See "Data change" for further contributors.
All listed radios etc. from Beyerdynamic; Heilbronn
Here you find 145 models, 136 with images and 52 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
