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MK3 John Kenny S/PDIF to Burson HA-160D problem

post #1 of 2
Thread Starter 

Hi there,just received my MK3 JKSPDIF unit connected to my Burson HA-160D with Audeze LCD-2 HP and wanted to listen to some music to try out the MK3.

Im using this configuration with my HTPC with Windows 7 at the current moment.

I installed the 20db attenuator on the MK3 with the little piece on the attenuator for my S/PDIF cable and then S/PDIF cable to my dac.

I immediately started with a high resolution file 24-bit 192 khz because the Burson HA-160D cant play those files through USB,its limited to 24/96 khz

I use J. River Media Centre 16 and WASAPI (event style),i think all settings are good otherwise.

Well when i play the high res. files i'm getting some really weird noise together with the playing off the music through my LCD-2.

It's a crackling and scratching kinda noise,it only does this with high res. files,with 44.1 khz files it plays just fine..

The crackling and scratching noises still continue when i click 'stop' or shut down the audio player.I can stop it by either shutting down the MK3 or playing a 44.1 khz song.

I tried Kernel streaming and the same thing occurs.

I increassed the amount off buffering miliseconds to no avail,still the same.

Now the weird thing is when i choose 'Direct Sound' everything plays like a charm but the downside from direct sound is that the windows sounds arent diabled and its not bit perfect.

I dont know whats wrong,i installed the drivers correctly and Windows 7 recognizes the MK3 just fine

I tried it on my fathers laptop with Windows 7 (i figured it could be my HTPC USB controller chip thats no good) but i got same results.

Seems a software problem although when i play the test files sounds(all above 48 khz)  in windows it is also all distorted and weird sounds:

Naamloos.jpg

 

Any ideas on how to solve this problem??

post #2 of 2

Not sure, but maybe the attenuator reduces the signal strength to DAC too much so the DAC cannot really pick it up. Only speculating...

Try without attenuator.


Edited by korzena - 11/15/12 at 4:33am
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