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sansui au-g90x

  1. Subchannel

    SANSUI AU-G90X DC ON OUTPUT

    I just bought a very cheap AU-G90X with noise on RIGHT output. To remove as a possible problem, all dust on the inside are removed and all pot´s and switches are cleaned. The Left channel is no proble adjusting to +/-5mV on output, but right channel is minimum 1.2VDC, and when turning the...
  2. Subchannel

    SANSUI AU-G90X HUM PROBLEMS

    Dear forum: Just got an AU-G90X on my bench with hum on PHONO input. It´s both Ground hum and 50Hz mains hum. It also bleeds into the other inputs, though much much lower in strenght of course. The amp is untouched from new so all pot´s and contacts needs cleaning. Before I start to dismantel...
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