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Treble Grain? How to Eliminate?

I've had a DacMagic for about a year now, using it mostly with USB input. I recently began using it in a headphone system and am noticing that this dac exhibits a high amount of grain in the treble. It makes for some heavy listening fatigue. Is there anything I can do to improve this? What other dacs under $1000 have a notably smooth treble?

Thanks
jwglista

Showing 1 response by jwglista

jwglista OP
206 posts
 
I've also always had a suspicion that treble issues can be related to noisy power. I've tried connecting the DacMagic wall wart both to the wall and to my PS Audio UPC-200, but the UPC-200 only makes a marginal difference. The headphones I use are Sennheiser HD650 with an Elekit TU882 tube amp. I've also had the Audio-gd Compass Dac/Headphone unit; the dac inside the Compass was considerably worse with treble than the DacMagic. Also, the power cable on the DacMagic unit seems very weak and unshielded, so this may be causing an issue also.

I have tried comparing the USB to the Coax, and could hear very little difference, if at all.

Also, I have considered an MHDT dac, but I wish I could audition one first before buying.
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