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In Reply to: RE: Lets try these tests posted by theob on May 31, 2009 at 04:35:57
Theo,
I am at 0.76785 (not sure about the last three digits, can't look it up since I am not at home today) and host clock at 150MHz, that's stable but lower values don't work (have to restart from BIOS). At that values everything was fine with Lynx AES-16.
IMHO power supply purity does not help to cure the metallics - I am on pure battery power with well-sized caps (so I think) for P4 and P24 and got the metallics just the same as when I power everything with the Antec (I have tested that already). Maybe things are different when I power Juli@ externally as suggested by Alfred/sonics, will test in the next few days.
However, my task for the next few weeks is to go from Juli@ via i2s to Buffalo32S and optimize power supply (and possibly also caps and resistors?) in that chain. Since Buffalo32S does upsampling I output 16/44.1. Once that is running fine, I will switch to 24/192 and 24/178 (thanks Jean) and see if the metallics are back and how stable and effortless Juli@ can perform. Will report.
And yes, as far as I know you can only go out digital from Lynx with their breakout cable that provides you with an AES/XLR plug which I ran into the Benchmark DAC1, worked absolutely stable and reliable. I tried both to find any possible way to (i) go out i2s and (ii) power the AES16 externally, but failed with both (probably could find a way for (ii) but (i) is impossible AFAIK, Lynx techs have confirmed this). Otherwise I would happily stay with Lynx without any doubt.
Cheers
Robert
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