M31b
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Beyerdynamic;: M31b [Microphone/PU] ID = 315511 118x473
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For model M31b, Beyerdynamic; Heilbronn
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Year:
1954–1956
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Category: Microphone or Pick-up element |
Wave bands |
- without |
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.