Pavel Bogdanov Posted April 16, 2014 Share Posted April 16, 2014 Hello everyone! Recently I purchased Musical Fidelity V90-DAC. Besides other inputs, it's connected to PC through USB asynchronous. Cable is QED USB performance graphite. Everything would be fine, but the connection between PC and DAC constantly terminates. That is, signal doesn't go through the DAC. Luckily, it's never when playing music. But always when I clear and then set new playlist, оr just stop playback for a little time. If I then turn playback on, I hear only silence, which, probably, in terms of MF engineers is the best music. Cure is to switch DAC off and then back on. It's not critical, but it's annoying. My computer setup is: foobar2000 (WMP acts the same), WP8.1x64. USB Audio driver is standard Microsoft, and I haven't found any alternative. MF provides their own technical support only by phone, two hours in business days, but I'm going to call them (in fact, I've already called once, but it was Easter Break and they did not work). They strongly suggest to contact their local dealers, in Russia, where I live, it's CTC-Capital company, I've sent them three emails, but they gave me no reply. I suppose they are too busy with choosing new Maybach (joke). Anyway, any suggestions would be highly appreciated on my situation. Maybe someone faced the same issue with other USB Audio DACs and (hopefully) knows the workaround. Link to comment
Pavel Bogdanov Posted June 27, 2014 Author Share Posted June 27, 2014 So the problem turned out to be trivial. When Windows 8.1 power plan is Power Saver problem present. When Windows 8.1 power plan is Balanced it's gone. I investigated it by myself with initial direction from local store personnel. So Musical Fidelity technical support, which I called by phone and Musical Fidelity local dealer in Russia, CTC-Capital company, which did not respond my e-mails, both suck. So it is. Link to comment
Tudor Leustean Posted August 17, 2014 Share Posted August 17, 2014 Thanks a lot! I had the same problem (i bought the dac 4 days ago) and i was seriously thinking of sending the unit back and buying a cambridge audio dacmagic 100 instead, to avoid the hassle of servicing. But it does indeed seem as a driver problem. The connection doesen't die if i'm not on power saver mode. Thank you again Link to comment
Pavel Bogdanov Posted August 21, 2014 Author Share Posted August 21, 2014 Just wanted to add that I've tried another unit in local store and the problem was exactly the same. So it seems that changing the unit doesn't help. Link to comment
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