- Country
- Germany
- Manufacturer / Brand
- Sennheiser Electronic (Labor W); Wennebostel
- Year
- 1958
- Category
- Microphone or Pick-up element
- Radiomuseum.org ID
- 71268
Click on the schematic thumbnail to request the schematic as a free document.
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: MD21 - Sennheiser Electronic Labor W;
- Dimensions (WHD)
- 46 x 46 x 129 mm / 1.8 x 1.8 x 5.1 inch
- Notes
Dynamisches Mikrofon
Übertragungsbereich 40 bis 18000Hz
Richtcharakteristik Kugel
Empfindlichkeit 1,8mV/Pa
Impedanz 200 Ohm
Anschlußstecker DIN 41524 verschraubt 3polig. Von Grundig als GDM121 vertrieben.1958 Umbenennung von Labor W zu Sennheiser electronic. Das MD21 wird noch heute (Stand 2020) produziert als MD21-U
- Net weight (2.2 lb = 1 kg)
- 0.3 kg / 0 lb 10.6 oz (0.661 lb)
- Price in first year of sale
- 148.00 DM
- Source of data
- -- Original prospect or advert / Radiokatalog Band 2, Ernst Erb
- Mentioned in
- -- Original-techn. papers.
- Author
- Model page created by Werner Raacke. See "Data change" for further contributors.
- Other Models
Here you find 288 models, 272 with images and 129 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel
Collections
The model is part of the collections of the following members.