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State of the Source: Server, computer....or what?

There has been a lot of discussion here about the impact of having the best possible DAC for digital playback, from a long-runnning thread on Lampizator to the current thread where member Mattnshilp has been trying out a variety of DAC's in order to select what sounds best to him, but what constitutes the best sounding digital source?

So the questions for this thread are, what digital source sounds best to you and why? What features do you like in the manufactured music servers? And, can the sound quality from a well sorted-out Mac mini or CAPS style computer/server, with linear power supply, SSD, and the associated ability to use a variety of music players, upsampling options, memory play, and EQ, compare favorably with the manufactured server options that use preloaded programs or, are the differences primarily related to the manufactured options being easier to use than a computer, which requires the user to load and maintain the programs used?
mitch2
igator
10 posts
 
Aurender X100 is amazing. Heard it together with MSB Analog DAC. This kit is very smooth and musical. Beautiful vocals, sweet heights, deep and powerful bass.
Aurender control app is great too.

If you are using high-quality power conditioner (or power regenerator) there is absolutely no need in any other power supply for Aurender.
By the way, their top model has SMPS as well (although it costs $16.800).

If you are an owner of Aurender X100 the only one important question is the quality of your DAC's USB input.

P.S. One MacMini owner purchased outboard liniar PS for his Mac. But after he tried to connect it to power conditioner he came to conclusion that the difference between stock PS and outboard PS is subtle.
mitch2 OP
1,911 posts
 
Igator, the top model Aurender W20 does indeed have a SMPS powering the CPU but also uses a LiFePO4 (LFE) battery power supply for the audio power supply.

Reviewers seem to like the X100 but a couple point to a lessening of the bass impact compared to their disc players, a deficit not mentioned in reviews of the upper two models, the older S10 or the newer and most expensive W20. Reading between the lines, I get the impression of a musical and enjoyable sound quality but not quite equivalent to the upper echelon of servers in the areas of resolution or dynamics.

Drubin, I have seen info on Baetis Audio of Montana and to me their product seems to have a lot going for it such as external file storage, an SSD and an optional linear power supply. Unfortunately, it also has a FAN, which seems to be a backward move.

Sheesh, can't these guys put it all together. It seems each of the current crop of servers below $5K has one drawback;
-Aurender X100 with their SMPS,
-Antipodes with their single drive and no SSD option, and
-Baetis with their fan.
I like the concept of the Baetis but it seems little different than the CAPS servers offered by Small Green, and barely different in function from the Mac mini server I am running now, except for the Windows vs. OSx differences.
kr4's avatar
kr4
3,424 posts
 
Mitch2 said: I have seen info on Baetis Audio of Montana and to me their product seems to have a lot going for it such as external file storage, an SSD and an optional linear power supply. Unfortunately, it also has a FAN, which seems to be a backward move.
The Baetis runs 24/7 at my house and I have not heard anything from the unit whether the music is on or not.
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drubin
3,240 posts
 
For me, the thing that distinguishes the Baetis is its galvanically isolated, dedicated SPDIF connection taken right from the motherboard. No PCI card.
mitch2 OP
1,911 posts
 
Drubin, have you had a chance to hear the Baetis Audio server? Having lived with my mini set-up (which has a quiet fan) for awhile now, the fan doesn't bother me much (although I would rather they had passively cooled it) and I put more value in the linear power supply since I have heard the benefits of that with my mini. You may be onto something with their taking the SPDIF from the motherboard since the crappy USB is always mentioned as a drawback when discussing the mini as a server. Does the Baetis use a Linux operating system?
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