Stereo Electret Condenser Microphone ECM-99

Sony Corporation; Tokyo

  • Year
  • 1978 ?
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 213706

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 1 × 1,5 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Stereo Electret Condenser Microphone ECM-99 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • Hand held one point stereo electret condenser microphone, 50 - 12.000 Hz, 2× 6,3 mm plug, ~2 years battery life time, 250 Ohm out.
  • Source of data
  • - - Data from my own collection

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