Old vs. New Dacs.


What's considered high in the signal to noise ratio department of newer dacs(62db)? Does this number matter if the dac is SS or tube?
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personally i don't get wrapped up into specs like this. what sounds the best to you? i have purchased expensive older dacs recently over much cheaper newer dacs because i like the sound better. or example, the older classe, audio research, and mark levinson dacs are still in demand.
I agree, older DAC may have the lower spec but it sound different to some of the latest up sample dac... Not better or worst just different you need to hear it and compare it.