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Labor W, DM4

Labor W, DM4; Sennheiser (ID = 373812) Microphone/PU Labor W, DM4; Sennheiser (ID = 374020) Microphone/PU
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Labor W, DM4; Sennheiser (ID = 373812) Microphone/PU
Sennheiser: Labor W, DM4 [Microphone/PU] ID = 373812 500x378
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For model Labor W, DM4, Sennheiser Electronic (Labor W); Wennebostel
Country:  Germany
Manufacturer / Brand:  Sennheiser Electronic (Labor W); Wennebostel
Year: 1949–1958 Category: Microphone or Pick-up element
Wave bands - without
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: Labor W, DM4 - Sennheiser Electronic Labor W;
Material Metal case
Shape Miscellaneous shapes - described under notes.
Dimensions (WHD) 60 x 180 x 0 mm / 2.4 x 7.1 x 0 inch
Notes Dynamisches Tauchspulen-Handmikrofon mit sehr geringer Rückkopplungsgefahr. Frequenzbereich 50 bis 10000 Hz. Impedanz 200 Ohm. Auch als Variante mit Sprachschalter gebaut (DM4S). Baugleich mit Nachfolgemodell Sennheiser MD4(S).
Net weight (2.2 lb = 1 kg) 0.4 kg / 0 lb 14.1 oz (0.881 lb)
Price in first year of sale 115.00 DM
Collectors' prices  
Literature/Schematics (1) Funkschau 11/1949

Model page created by Klaus Najman. See "Data change" for further contributors.

All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel
Here you find 277 models, 259 with images and 121 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.