I upgraded to the DSD when my QB-9 went in for a repair. Turnaround was 4 weeks - this was back when they started doing the upgrades. Ayre could not have been more communicative or helpful. I went to them directly rather than through a dealer. The upgrade was well worth the cost - the unit sounds great. Given the negative stories above I thought it only fair to post a positive experience.
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Clearaudio/Ortofon/Esoteric/Aurender/Ayre/McIntosh/Pass Labs/Harbeth/REL
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