• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1992

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 133161

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Stereo Microphone ECM-909 MS - Sony Corporation; Tokyo

• Notes
• ECM-909 MS; Stereo Matriz Electret microphone, 10-15000 Hz, 1 kOhm, Out: -70 dB/m.

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 959 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo