Are future improvements in Amp/PreAmps slowing to a crawl?


don_c55
  I agree with you unsound, class D has come a long way in the last few years,  I have purchased 2 digital amp company amps and his amps just keep getting better
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Class D is on the cusp of breaking out into SOTA performance.  There are a very few very expensive Class D's that can really strut...most are very far away.  I remember when CD players were awful....now, there are some excellent ones.