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In Reply to: RE: Another take on Schiit Bifrost posted by Dynobot on March 18, 2012 at 08:19:55
I tried to EQ the hell out of the high midrange and treble frequencies but cannot get rid of the sibilance and digital artifact in the high end. I've not encountered this before. It's almost as if the digital tizzyness is encoded in the DNA. Weird and interesting.
Follow Ups:
Isolating my CDP better eliminated the sibilance in my system.
90% of the time I have found tizz and glare to be jitter from the source or the source + a poorly executed SPDIF cable. I had the exact same issue with the Bifrost. Once I got a good 75 Ohm cable in the system - the harshness was gone.
If you get a HDTV video cable with 75 Ohm BNC's on either end, and do a 75 Ohm BNC to RCA adapters on it you will get a ton of bass - and detailed bass at that, and the sound warms up, hardness disappears. Shouldn't cost more than $90-150 all in all, and you can re-use that cable anywhere you need SPDIF. Oh, for additional help, make sure the cable is 1m-2m long. For some odd reason that is the "magic length" where internal reflections get ignored by the SPDIF receiver and RCA being a terrible interface, you will have some.
Of course, returning is always an option - just saying that you've got it there ... might be worth a shot in making it work that way.
"Knowledge is knowing that a tomato is a fruit. Wisdom is knowing not to put it in a fruit salad"
Time to take advantage of the 15-day return, methinks.
n
Better to return it rather than spend countless hours and money trying to make it work in your system.
Dynobots Audio
Music is the Bridge between Heaven and Earth - 音楽は天国と地球のかけ橋
I understand exactly what you mean. Nothing I did, including upsampling, power cords, IC's, etc. etc. etc. could get rid of it. The only way to get rid of it was to actually kill the sonics of the Dac itself.
Dynobots Audio
Music is the Bridge between Heaven and Earth - 音楽は天国と地球のかけ橋
I evaluated the AKM chip as a candidate for my new DAC about 2 years ago. I modded the heck out of the demo board and even powered it from batteries. Still no good IMO. Lots of detail, but a digital hardness that would not go away.
I am not hearing the hardness - but horses for courses - it certainly isn't as warm as my record player setup, and My Rega DAC is close to it.
Which chip did you settle upon?
"Knowledge is knowing that a tomato is a fruit. Wisdom is knowing not to put it in a fruit salad"
> > > Which chip did you settle upon?
I think he purposely avoided including that information in the literature, perhaps to avoid scrutiny.
One thing I find disturbing is the inclusion of a "Fan" in the Dac mounted on the top.
Dynobots Audio
Music is the Bridge between Heaven and Earth - 音楽は天国と地球のかけ橋
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