• 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.

 Technical Specifications

  • 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.

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