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NAD M51 Direct Digital DAC Impressions - Page 39

post #571 of 1217

My M51 still runs 1.39. I see no need for upgrading to 1.40+

post #572 of 1217
Yes the Squeezebox / EDO / USB compatibility is the big one for me. The connection fails because of bad/lengthy device identifier strings. Hopefully the new firmware fixes.
post #573 of 1217

I upgraded the firmware from 1.39 to 1.41 yesterday and all seems stable.

Using USB input from PC for music from PC ( FLAC lossless ) via JRiver only so far.
 


Edited by shcbris - 12/9/12 at 6:18pm
post #574 of 1217

Has anyone who upgraded noticed any sonic differences? I seem to find a drier overall tonal balance with less lower bass output than before, but the hoopla of upgrading makes any differences hard to ID reliably -- can anyone shoot me 1.39 (or post it here) for comparative purposes?

 

o

post #575 of 1217

I am finding the same thing with v 1.41.  Lower bass levels - or is it higher, less natural, treble energy?


Edited by HumanMedia - 12/13/12 at 5:44pm
post #576 of 1217

About to join the ranks. Can any one comment on how the M51 pairs with the HD800? The Mjolnir will be in between. The Gungnir is a good dac for the price but I find it struggles in busy passages and I notice too much distortion (it's subtle, but it translates to a hard digital edge in certain tracks) for a component at this level.

post #577 of 1217

I think it's an excellent pairing.  The M51 has an ever so slightly warm tilt, to me, or maybe it's that it doesn't splash up top.  Regardless, it complements well the HD800.

post #578 of 1217

^ Thanks for the reassurance. There were some comments earlier in the thread about the M51's neutrality being detrimental for the HD800. I don't find the HD800 inherently grating. It's just unrelenting in exposing deficiencies upstream and I have grounds to suspect the Gungnir as the bottleneck (qualities magnified by my headphone system are heard through active speakers fed directly from the Gungnir).

 

I'm not after coloration from components to EQ the HD800. From all accounts the M51 presents a very clean signal and that is precisely what this headphone demands imo.

post #579 of 1217
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post #580 of 1217

Has this DAC been compared to the Mytek Stereo 192 DSD DAC or the Master 7?

 

http://mytekdigital.com/hifi


Edited by preproman - 12/17/12 at 7:38am
post #581 of 1217
Quote:
Originally Posted by olor1n View Post

^ Thanks for the reassurance. There were some comments earlier in the thread about the M51's neutrality being detrimental for the HD800. I don't find the HD800 inherently grating. It's just unrelenting in exposing deficiencies upstream and I have grounds to suspect the Gungnir as the bottleneck (qualities magnified by my headphone system are heard through active speakers fed directly from the Gungnir).

 

I'm not after coloration from components to EQ the HD800. From all accounts the M51 presents a very clean signal and that is precisely what this headphone demands imo.

I think it is a great DAC! It images really well, so when put with the HD800 it is sharp in that area as a samurai sword. But I think it is a DAC that is great with any can. It is clean and precise, which is what I want from my source. I am using it with Amarra, which people say  adds a tinny bit of warmth (barely noticeable in my view). I think you can't go wrong with this DAC whatever HP you are gonna use it with. 

post #582 of 1217

Well, The Monkey was right about the slight warm tilt. The NAD on initial listen presents a fuller sound than the Gungnir. The Schiit may have the slight edge in terms of depth, but the M51 is less abrasive overall. The Gungnir has a tendency to spotlight micro details at all times. Exciting at first, tiring and unnatural in the long term. The NAD is just as detailed, but there's better (micro) dynamic range. It's not always in your face, though it can be explosive when called for. The Gungnir has less finesse. It's like a Grado/Alessandro in its presentation.

 

The other notable improvement is the smoothness of the upper registers. The Gungnir has a slight etch in this region. The M51 has the same extension, without the harshness and without sacrificing any aspect of the SQ.

 

Some have tried to pin the source of my gripes to the Mjolnir (aggressive/forward) or HD800 (bright/harsh). I've lived with these components for some time now and in different configurations. I suspected that these components were merely presenting the signal as fed from the source. I was right. The M51 wins.

post #583 of 1217

What volume level do you guys level the DAC on if using it as a dedicated DAC only?

post #584 of 1217

i guess everyone uses 0db

post #585 of 1217
Quote:
Originally Posted by kr0gg View Post

i guess everyone uses 0db

 

 

Ok so that's instead of +10db.  You don't take the volume all the way up?

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