• Year
  • 1957 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 118366

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • EC92
  • 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: ERWA KMV - Elektro-akustische Werkstätten
  • Dimensions (WHD)
  • 150 x 50 x 50 mm / 5.9 x 2 x 2 inch
  • Notes
  • Richtcharakteristik: Kugel, 30-16000 Hz, Abweichung ± 2,5 db, Empfindlichkeit 20 mV/µb, Impedanz 200 kOhm.
  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Price in first year of sale
  • 205.00 DM
  • Mentioned in
  • -- Original prospect or advert

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