It's and old post but I think this model of Sansui deserve more publicity. So I like to express my experience with this model here, having some little time at the beginning of this year.
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I was an absolute fan of Marantz gear before trying this model from Sansui. I had almost all vintage models from Marantz from baby 2015 to mighty 2330, including 1060 and 4270. Marantz is a fantastic audio equipment brand, they are so well build, easy to work on, have the midrange adjustments that I adore so much, but this Sansui model re-opened the Sansui world for me, make me to reconsider my previous disappointments in Sansui after some attempts with 800, au-3900, 771, 555A and 6060. Somehow this model seems to be what I like to hear, especially at low listening levels exceling with classical music, jazz and classic rock. The phono stage is incredible amazing especially with records from 60s and 70s. the human voices are so well reproduced so close to a live concert. All records seem to have suddenly such a rich sound, you are flooded with music, an incredible wide stereo image, you are just there in middle . Nothing to bother and to disturb, you can listen all day long. After this experience some other more highly regard models from Sansui were welcomed in my audio room: Sansui 5000X (which is similar in sound with more punch), Sansui seven (which offers a more detailed sound with similar wide stage stereo image), Sansui au-717 (great with extreme metal recordings especially on cds). This low and less known model from Sansui was a revelation for me and a really eye opener and the motivation to discover the real Sansui audio universe. Don't look away if you find one. Looks quite beautiful especially in a wood case, well build as you can see from the pictures here, very good tuner also, quite heavy and the sound is in the same league as the other more known models from that era of Sansui.