• Year
  • 1954 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 109848

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: M4 - Thiele; Leipzig Ostd.
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 216 x 60 x 60 mm / 8.5 x 2.4 x 2.4 inch
  • Notes
  • Kondensatormikrofon. Richtcharakteristik umschaltbar (Kugel-Niere), Auslöschung bei Niere: 10 dB (180°), Empfindlichkeit: 3 mV/µB, Frequenzbereich: 30-15000 Hz, Abweichung: +3 dB, Impedanz: 200 Ohm, Leistungsbedarf: 10 VA.
  • Net weight (2.2 lb = 1 kg)
  • 0.9 kg / 1 lb 15.7 oz (1.982 lb)
  • Source of data
  • -- Original-techn. papers.

 Collections | Museums | Literature

Collections

The model is part of the collections of the following members.

 Forum