Bob_reynolds - I dont believe that the impedance mismatch and the resulting reflections directly affects the audio band. This is a secondary or indirect effect of some sort. May not happen with tube outputs.
Cmk, this is great info. As my amp CJ 2500a has RCA only I'm wondering if it worth getting some adapters just to try the XLR outputs on the Dac1 directly to the amp?
Adasilva, definitely worth getting adaptors. If you listen to digital only, you have all to gain and nothing to lose. I'd even go so far to say that it compares favourably with SACD and good analog.
Audioengr Have you actually tried to listen to both outputs before concluding that they are the same?
I ask this because one of the users who reportedly heard the improvement used adaptors on the XLR output to drive his amp and he heard a drastic improvement in sound. In his words "Tried this last night. Jaw dropping detail[ed] and dynamics."
See also the following links: http://www.head-fi.org/forums/showthread.php?t=79762 http://www.head-fi.org/forums/showpost.php?p=897063&postcount=123 http://www.head-fi.org/forums/showpost.php?p=897063&postcount=123
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