Sansui Electric Co., Ltd. is a Japanese manufacturer of audio and video equipment. Headquartered in Tokyo, Japan, it is part of Grande Holdings, a Chinese Hong Kong-based conglomerate, which also owns Japanese brands Akai and Nakamichi. Founded in Tokyo in 1947, Sansui initially manufactured transformers, but by the 1960s had developed a reputation for making serious audio components. They were sold in foreign markets through that and the next decade. Sansui's amplifiers and tuners from the 1960s and 1970s remain in demand by audio enthusiasts. In the UK around 1982, the Sansui AU-D101... amplifier and its more powerful sibling the AU-D33, were highly acclaimed by audiophiles and were so well matched to a pair of KEF Coda III speakers that they could be bought as a set from some outlets. These amplifiers used a complex Feed-forward servo system which resulted in very low 2nd order harmonic distortion. Despite this success, Sansui completely failed to follow up with further mass market audiophile components. As the mid 1980s arrived, sales were lost to competitors .
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