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Nad M-51 dac , Bryston BDP combination

I have spent well over $10k trying different combinations and for roughly $4k I now have a digital Playback system that is stunning this combination bested my friends Berkeley dac that is more than $1,200 more just for the dac,and these 2 products are class A plus in 2 leading magazines. I used DB power amp as a program to rip all my flac Files to a external Seagate drive then just plug it into the Bryston digital player usb then ato the NAD51 Which uses advanced technology this unit doesnot Do this normal digital to analog conversion Instead it takes the PCM signal and converts it to PWM straight through then at the end converts itto a class A buffer to the output, it s clock runs much higher then most 108mhz then up samples Way up there over over 800 digitally you can cleanly hook up our amplifier direct with No loss.even oldies ound better .one thing though any digital cable needs tobe the best you can afford this includes the USB cable.

- Paul L, MA
 
Nad M-51 dac , Bryston BDP combination

I have spent well over $10k trying different combinations and for roughly $4k I now have a digital Playback system that is stunning this combination bested my friends Berkeley dac that is more than $1,200 more just for the dac,and these 2 products are class A plus in 2 leading magazines. I used DB power amp as a program to rip all my flac Files to a external Seagate drive then just plug it into the Bryston digital player usb then ato the NAD51 Which uses advanced technology this unit doesnot Do this normal digital to analog conversion Instead it takes the PCM signal and converts it to PWM straight through then at the end converts itto a class A buffer to the output, it s clock runs much higher then most 108mhz then up samples Way up there over over 800 digitally you can cleanly hook up our amplifier direct with No loss.even oldies ound better .one thing though any digital cable needs tobe the best you can afford this includes the USB cable. P.S now you have a whole digital library you can control with a IPad or any droid based tablet. At the touch of your finger you can direct any song or music album on your hard drive to play .i have over 500 CDs now at my disposal,also there are music hubs such as HD downloads where Hirez music files To Down load .there is no reasonable reason why you Would not want to do this ,CDs one at a time are now a thing if the past and sonicly Cannot compete !

- Paul L, MA
 
An excllent example of how far digital reproduction has come

I believe the M51 provides a level of D/A performance as good as anything I have heard. I would highly recommend it to anyone looking for a new DAC, regardless of their original price point. The fact that this level of performance can be obtained at $2K is a testament to the overall advancements in D/A technology and particularly to NADs decision to use a state of the art 35 bit DAC with PWM processing. PWM is an alternate method of controlling the conversion of 1’s and 0’s to sound, which eliminates many of the problems with PCM processing, regardless of the clocking arrangement. Sort of like the benefits of FM over AM radio. It is the same approach used in SACD playback, although there are other key differences. Ive been fortunate to own some of the finest DACs made, including the Mark Levinson 30.6, costing $17K ten years ago, it was Stereophile chief editor John Atkinsons reference for many years, and by his writings still one of his favorites. I also own the very highly regarded Oppo Universal player the BDP-95, with the latest generation 32 Bit Sabre DAC, which is good, but I think the M51 is better. The M51 has the natural ambience and smoothness of the best analog playback, but achieving that level of performance with analog equipment is many times more expensive than the M51. I also find the convenience and flexibility of being able to choose digital playback from sources ranging from a CD/DVD player to a computer, with traditional digital inputs plus multiple HDMI and a USB makes it so much easier to enjoy music than fussing with records or open reel tapes-yes I go back that far. The M51’s digital volume control also allows it to be used as a “digital preamplifier” and I did so for a few weeks to evaluate this feature. My conclusion is that it does a very good job, but I still prefer the M51’s fixed output played back through my analog preamp. Currently I use an Olive O4HD music server with both traditional and high definition digital files for much of my listening and bypass the Olive’s 24 bit/ 192 kHz DAC, listening to it exclusively through the M51. It has allowed me to realize a lifelong dream of having all my music accessible at all times-via an iPhone app- and played back at an outstanding level of realism. I think anyone looking to spend $2K or more on a new DAC should seriously give the M51 an audition before making a final decision, I don’t think you will be disappointed.

- Don FOLLETTE, NY
 
Nad-M51 Giant Killer

This dac has won many awards,the review below mine says this is an average player for $2k is very Far from the truth.it is very natural sounding slightly to the warm side.detail is outstanding,sure the Berkley may be a bit better in some areas inn mid bass,and Low bass the Nad -51 is actually better.have a hdmi In and out,is great Any movie can be played even blue ray ,also it translates the signal to its natural PCM signal which many recordings in the future Will do .a no brainer to buy this one !!

- Pete J, CT
 
Par for the course at its price point

I am not a big fan of chopping up the signal and then reassembling it. It is like turning a prime rib steak into ground beef and than trying to reassemble the pieces back to get a facsimile of the steak. Having heard the M51, it offers performance that is par for the course at its price point.

- Clint A, ON