I have an XA7ES, S9000ES and and an SCD-1. All basically Stock. The SCD-1 is the best, on redbook and SACD. (as would be predicted. ) I did A/B/C comparisons with all 3, level-matched. It was not subtle between XA7ES and SCD-1, the SCD1 bettered XA7 on redbook significantly.
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