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| 1977 |
Opening of a second production plant in Burgdorf.
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| 1977 |
Launch of the unipolar 2000, the world’s first open electret headphones.
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| 1978 |
In 1978, Sennheiser launched the VSM 201 sound effect vocoder. Following the huge success of electronic instruments, the VSM 201 took the human voice into the same world of electronic sound.
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| 1978 |
The first professional multi-channel rack receiver significantly improves transmission reliability.
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| 1979 |
Development of the HiDyn compander system.
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| 1982 |
The Sennheiser RF wireless classic SKM 4031-TV lays the foundation for the success of Sennheiser RF wireless systems in the follow-ing years.
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| 1982 |
Prof. Dr. Fritz Sennheiser hands over the management to his son, Prof. Dr. Jörg Sennheiser.
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| 1983 |
Development of the first directional clip-on microphone, the MKE 40.
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| 1983 |
Development of the smallest studio clip-on microphone, the MKE 2.
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