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| Introduced in 1986, the DSP-1 digital sound field processor was the first in the world to be sold for processing digital signals. |
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| The DSP-Z9 flagship model incorporates a "pure direct" circuit designed for ultimate audio sound quality and "HD Cinema DSP," which boasts an impressive live feeling with 9.2 channels. (Introduced in 2004) |
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| The NS-690, introduced in 1973, is a best seller born of tradition and environment designed for a "European" musical tone. |
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