• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1979

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 121441

• Number of Transistors
• Semiconductors present.

• Semiconductors

• 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 A - Sony Corporation; Tokyo

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 195 x 30 x 70 mm / 7.7 x 1.2 x 2.8 inch

• Notes
• Hand held one point stereo electred condenser microphone, 50 - 12.000 Hz, 2× 6,3 mm plug, ~2 years battery life time, 250 ohm out.

• Mentioned in
• Sony IFA Katalog 1979

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3971 models, 3831 with images and 955 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo