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au-x901

  1. M

    Hot bias - unnatural smooth sound

    Greetings from Slovenia! My first post here. I just need some clarification regarding biasing effect on a sound of AU-X701. When I got my amp back from full restoration (Elna Silmic II caps) I raised the bias from recommend value of 17-19mV to about 25-27mV. It worked well with previous...
  2. Hyperion

    Sansui AU-X901 for restoration

    Next up is an AU-X901 from Tony (@sansui au719 ) in his initial listening tests he was very happy with how it sounds, but he knows it has the 'glue' problem, and wants it to work reliably & better if possible - hence the reconditioning request. Opening it up for a look inside and well, it's...
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