• Country
• Germany

• Manufacturer / Brand
• Körting-Radio; Leipzig, später Grassau

• Year
• 1939 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 357297

• • alternative name: Dietz & Ritter GmbH, Dr.

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• KF4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Kristall-Mikrofon KMV Größe 2 - Körting-Radio; Leipzig, später

• Dimensions (WHD)
• 86 x 280 x 86 mm / 3.4 x 11 x 3.4 inch

• Notes

• Das Kristall-Mikrofon gab es in den drei Ausführungen 

  • KMH mit Handgriff,
  • KMT mit eingebautem Transformator,
  • KMV mit eingebautem Vorverstärker für Batteriebetrieb,

  die alle die gleiche Kapsel trugen.

• Net weight (2.2 lb = 1 kg)
• 1.8 kg / 3 lb 15.4 oz (3.965 lb)

• Mentioned in
• Radio-Mentor (1939 H. 1)

• Author
• Model page created by Klaus Peter Hille. See "Data change" for further contributors.

• Other Models

• Here you find 815 models, 667 with images and 471 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Körting-Radio; Leipzig, später Grassau