Emm da2 dac

Hi, Interestingly, Jason Victor Serinus of Stereophile, in his review of the DV2, said: "... a few comparisons of the MacBook Pro with the dCS Network Bridge revealed that nothing sent from the MacBook Pro via USB sounded anywhere near as full and rich in colors as signals that bypassed the computer entirely and relied solely on the Network Bridge's coax outputs. Realizing that, regardless of the claimed jitter-free superiority of EMM Labs's USB input, my USB source was compromised ... Even with a computer as the source, when I played Debussy's Trios Chansons de Bilitis from our January 2019 'Recording of the Month,' mezzo-soprano Joyce DiDonato Into the Fire (24/96 WAV, Erato 573800), I was won over by the beauty of the DV2’s extremely natural, warm, smooth, and non-fatiguing sound.”

...well, he also says that the network bridge via S/PDIF connection has won him over (p. 105).


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Hi Bar81

Thanks for the tip on ground control. I am using the Nordost Qkore 6 and find it lowers the noise floor of the system, thus enabling more details to be heard. However it wasn't a mind blowing effect. I am connecting the Qkore to the AES output/input of the TX2 and DA2.

You're way ahead of me then :)

Take a look at this review from Roy Gregory (personally, one of the very few reviewers I trust). He likes and uses Nordost products. While I don't have the full setup of Ground Controls he's using, his description of the effects is spot on so far (although obviously I can't comment on the effect of combining units until I get another one):

http://www.computeraudiodesign.com/The_Audio_Beat_GC_Review_LR.pdf

He mentions in his review that not all grounding products have the same effectiveness.
 
Hi, I am using the Shunyata Research Hydra DPC-6 Digital Power Distribution Center. The Hydra DPC-6 electrically isolates these digital devices and provides a firewall to prevent them from polluting and degrading the sonic performance of the audio components sharing the power line. In my system, the Hydra DPC-6 elimination of the digital noise results in greater clarity to the sound. Resolution and focus are greatly improved and micro dynamics of instruments seem more real. The DPC-6 is far superior (with digital components) to the Shunyata Triton power distribution center.
 
Hi, I am using the Shunyata Research Hydra DPC-6 Digital Power Distribution Center. The Hydra DPC-6 electrically isolates these digital devices and provides a firewall to prevent them from polluting and degrading the sonic performance of the audio components sharing the power line. In my system, the Hydra DPC-6 elimination of the digital noise results in greater clarity to the sound. Resolution and focus are greatly improved and micro dynamics of instruments seem more real. The DPC-6 is far superior (with digital components) to the Shunyata Triton power distribution center.

Thanks for the report, I don't know of many people who have purchased the DPC-6. Most either just get the Triton or maybe will add the Typhon and stop, even those with digital front ends. Are you saying you connect your DA2 to the DPC-6? If so, that's interesting since it's not a fully digital unit and DPC-6 seems to be focused on fully digital items like transports, streamers and monitors.

In any case, just to be clear, what the CAD Ground Control addresses is not adequately dealt with by any power conditioner, including the Shunyata full stack.

To me, the CAD Ground Control is at least as important as power treatment given the improvement in my system that I've heard from the insertion of only a single GC1.
 
Hi, Yes, My DA2 and EMM transport are connected to the DPC-6. Connecting the DA2 to the DPC-6 does not affect transients in my system.
 
...well, he also says that the network bridge via S/PDIF connection has won him over (p. 105).


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Yes. Jason Victor Serinus also says "But when I ditched the computer and, using the Aurender N10's USB output, played JA's MQA-encoded master file of Eric Whitacre's Lux Aurumque, from male vocal ensemble Cantus's While You Are Alive (24/88.2 CD Baby 5637240534), the music server's more color-filled sound assured me that this would be one joy-filled review."
 
There is a reason why people are moving away from USB. If Meitner has not heard the penny drop on that, too bad for him. The surprising question of course is, why to make a 25K DAC and not offer the best interfaces? And more surprisingly, why are the highest bit rates only supported via this suboptimal interface?

And Jason clearly states, to his ears USB is the inferior interface based on his review.


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There is a reason why people are moving away from USB. If Meitner has not heard the penny drop on that, too bad for him. The surprising question of course is, why to make a 25K DAC and not offer the best interfaces? And more surprisingly, why are the highest bit rates only supported via this suboptimal interface?

And Jason clearly states, to his ears USB is the inferior interface based on his review.


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Hi, Take a look at the following specifications:

aurender N10 specification: [TABLE="class: table table-bordered table-responsive, width: 777"]
[TR]
[TD]Bit and Sample Rates[/TD]
[TD]SPDIF : Up to 24-bit, 192kHz (PCM); 1-bit, 2.8MHz (DSD64)
USB : 32bit /384kHz, 1-bit, 2.8MHz (DSD64); 1-bit, 5.6MHz (DSD128)[/TD]
[/TR]
[/TABLE]
EMM Labs DA2 specifications:
  • Digital inputs:
    EMM Optilink (CD/SACD)
    Supports up to 24bit, 192kHz on all PCM inputs: AES/EBU, USB Audio, 2x SPDIF Coax, 2x S/PDIF Toslink
    USB also supports streaming DSD, 2xDSD, DXD (352 and 384kHz)
 
Hi, Take a look at the following specifications:

aurender N10 specification: [TABLE="class: table table-bordered table-responsive, width: 777"]
[TR]
[TD]Bit and Sample Rates[/TD]
[TD]SPDIF : Up to 24-bit, 192kHz (PCM); 1-bit, 2.8MHz (DSD64)
USB : 32bit /384kHz, 1-bit, 2.8MHz (DSD64); 1-bit, 5.6MHz (DSD128)[/TD]
[/TR]
[/TABLE]
EMM Labs DA2 specifications:
  • Digital inputs:
    EMM Optilink (CD/SACD)
    Supports up to 24bit, 192kHz on all PCM inputs: AES/EBU, USB Audio, 2x SPDIF Coax, 2x S/PDIF Toslink
    USB also supports streaming DSD, 2xDSD, DXD (352 and 384kHz)
I think what Kuoppis is saying is that there's more going on here than just what's reflected in max data rate specs. If you want to see some real innovation in interfaces, check out the Lumin X1's fiber optic option.
 
I think what Kuoppis is saying is that there's more going on here than just what's reflected in max data rate specs. If you want to see some real innovation in interfaces, check out the Lumin X1's fiber optic option.

Hi all, Take a look at Lumin X1's specification also: [h=4]DIGITAL OUTPUT STAGE[/h]USB: Native DSD512 support,PCM 44.1–768kHz, 16–32-bit, stereo
BNC S/PDIF: PCM 44.1khz–192khz, 16–24-bit; DSD (DoP, DSD over PCM) 2.8mhz, 1-bit
Optical network: Industry-standard SFP, 1000base-T Eigabit Ethernet. Adapter may be needed for your particular switch/cables. Use simultaneously with RJ45

My point is that EMM Labs is offering all available options, including the AES3 (AES-EBU) interface!
 
Hi all, I want to point out that the DA2/DV2 offered not only state-of the-art sound, but also state-of the-art measurements (See JA's measurements of the EMM Labs DV2 in the March 2019 issue of Stereophile) Take a look at the impulse response of the DV2 with 44.1kHz data. There is no ringing on either side of the pulse! In contrast, take a look at the impulse response of Filter 1, 4, 5 of the Vivaldi DAC provided by John Atkinson. JA said: "Fig.1 shows the impulse response of Filter 1 with 44.1kHz data. The symmetrical ringing either side of the pulse maps the filter coefficients and reveals this filter to be a conventional linear-phase type. ... Filters 2–4 have increasingly shorter linear-phase impulse responses (fig.2 show Filter 4's impulse response), while Filter 5 (fig.3) is a minimum-phase type, with all the ringing following the pulse." (Read more at https://www.stereophile.com/content...yback-system-measurements#Xd8A4dJscoGcqxF9.99) John Atkinson concluded that the DV2 offered state-of the-art measured performance.
 
Hi all, Take a look at Lumin X1's specification also: [h=4]DIGITAL OUTPUT STAGE[/h]USB: Native DSD512 support,PCM 44.1–768kHz, 16–32-bit, stereo
BNC S/PDIF: PCM 44.1khz–192khz, 16–24-bit; DSD (DoP, DSD over PCM) 2.8mhz, 1-bit
Optical network: Industry-standard SFP, 1000base-T Eigabit Ethernet. Adapter may be needed for your particular switch/cables. Use simultaneously with RJ45

My point is that EMM Labs is offering all available options, including the AES3 (AES-EBU) interface!

Andy, you might not see the wood of the trees here or are intentionally trying to confuse things. In all the information you put out, there’s somehow no mention that the DA2/ DV2:
- only offer MQA via USB
- only support full bandwidth over USB
- do not have an Ethernet connection/ streaming capability

Based on the DV2 Stereophile test I initially cited, the best SQ was not delivered through USB according to the reviewer. Hence, DA2/ DV2 neither allow full bandwidth, nor MQA via the best sounding interface. Streaming capability is something most top-end DACs nowadays support (Brinkmann, MSB, DCS). At a 25K/ 30K price tag I personally expect the bees knees.

That was the point made. Nothing less, nothing more.


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Hi all, I found the following information online:

AES3: Audio Engineering Society Standard #3EBU: European Broadcasting UnionThe AES3 interface was already specified in 1985 and it wasmade a standard in 1992. Ever since the standard is recurrently updated and adapted to advanced requirements. Fromthere the standard is very universal and it‘s applicability ismanifold. On the other side this makes it somewhat complex.Specifications• 2 channels• balanced transmission• XLR connector• audio data up to 24Bit / 192kHz• cable length: 100m and more• impedance: 110Ohm (± 20%)• level: 2 - 7 Vpp at the output side of a unit(at 110 Ohm, without long wiring)• large channel status information
 
Hi, I want to add that the same applies to SPDIF interface - it will accept audio data up to 24Bit / 192kHz
 
Exactly, lots of material nowadays comes in 24/352.8K or with UHDCD even 32/352.8K.


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