Unidirectional Cardioid Microphone ECM-21

Sony Corporation; Tokyo

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  • Year
  • 1973 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 360588

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 1,5 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Unidirectional Cardioid Microphone ECM-21 - Sony Corporation; Tokyo
  • Shape
  • Tablemodel, with any shape - general.
  • Notes

  • Unidirectional Cardioid Microphone, tabletop, condenser type. Complete with battery holder, windshield.

    Sensitivity: -53.8 dB (0 db = 1V/10 µbar).
    Frequency range: 50 ÷ 12,000 Hz.
    Impedance: 250
    Material: Satin aluminum.

    GBC catalog number 1973 edition: QQ/0163-00.

  • Mentioned in
  • -- Original prospect or advert (GBC Electronic Components, Italy 1973 edition.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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