Media Server Reviews

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Grimm Audio MU1 music streamer

In 1979, I visited Philips Electronics' renowned Research Center in Eindhoven, Holland, to examine a prototype of what would eventually be called a compact disc player. In 1989, I returned to the Eindhoven lab to witness the birth of the first sigma-delta DACs, which eliminated the problem of large linearity errors at low recorded levels in resistor-ladder DACs.

Volumio Primo music player/streamer

Is this all there is to it? I had done some superficial investigations of Volumio online, after the Primo was suggested to me for review. I had learned that the Volumio player software is available for several hardware platforms including Windows, Mac, and Raspberry Pi, but I had not tried it before. I discovered Volumio's reputation as an efficient, Linux-based music player, installable with an SD card on minimal hardware and said to support virtually all music formats and resolutions including DSD and multichannel. But I had not experienced any of this for myself.

Pink Faun 2.16x music streamer

My, how we've grown! The experience that convinced me of the inevitability of streaming was in 2010 with the tiny, tidy Logitech Squeezebox Touch that, despite being discontinued and disowned by its manufacturer, still has a cult-like following. Since then, we have seen an explosion of devices for file playback from local or nonlocal storage and web streams.

Wolf Audio Systems Alpha 3 SX music server


I am a Sharpener. I can acknowledge being a Sharpener—someone who, as explained by Stereophile reviewer/psychology professor Robert Deutsch in our March 2009 issue, tends to look for and exaggerate differences—without feeling a need to enter a 12-step program or confess to a crime. That's because there's nothing wrong with being a Sharpener.

Innuos Statement music server

We carry within us the wonders we seek outside us.—Rumi


There are plenty of difficult obstacles in your path. Don't allow yourself to become one of them.—Ralph Marston, The Daily Motivator


Put these two quotes together, shake vigorously, and you've got the essence of a music server. Unless your container isn't tightly sealed, in which case you've got a mess.

Mytek Brooklyn Bridge streaming DAC/network server

A DAC/preamp/headphone amp from Class A of Stereophile's list of Recommended Components, updated with streaming and network-server capabilities—and it still sells for less than $3000? If you believe that, I have a bridge I'd like to sell you. (Har, har!)


Most Americans have heard that line before, but many may not know the story behind it—I didn't. George C. Parker, a real American person born in 1860, is famous for perpetrating audacious frauds, specifically sales of property he did not own and could not possibly have owned. He is reported to have sold the Statue of Liberty, Grant's Tomb, the original Madison Square Garden, the Metropolitan Museum of Art, and—most famously—the Brooklyn Bridge that last one twice a week for several years, at prices ranging from $75 to $5000. Or so some say.

Sony DMP-Z1 digital music player

Apple may not have been the first to market with a portable digital audio player, but its original iPod defined the genre: a device small enough to fit into a shirt pocket. When companies like Acoustic Research, Astell&Kern, Fiio, HiFiMan, and Questyle introduced portable players that could play high-resolution files, they echoed the iPod's form factor. The exception was the Toblerone-shaped PonoPlayer, but even that was small. The subject of this review is another exception: The DMP-Z1, from Sony's Signature Series, is comparatively enormous—almost the size and weight of a regular preamplifier. At $8500, it's also considerably more expensive than other players.

Pro-Ject Audio Systems Stream Box S2 Ultra network bridge

I have reviewed several network-connected music servers in recent years, from Antipodes, Aurender, and NAD. All performed well but are relatively expensive, and their associated player apps didn't equal Roon's user friendliness in terms of interface, organization of the library, and inclusion and updating of metadata. So when Roon Labs introduced their own server, the Nucleus+, I first reviewed and then purchased it, along with a lifetime subscription to Roon. But at $2498 without an internal drive for storing music files, the Nucleus+ is still relatively expensive, and even Roon's less-powerful Nucleus costs $1398. I was still on the lookout for a server that would be more accessible to our budget-minded readers.

Naim ND5 XS 2 media player

The late Julian Vereker, the sharp-minded former racing driver who founded Naim Audio and designed its first products, did so because he wanted audio amplification of a quality he felt no one else was making at the time, reasoning that if he wanted such a thing, so might others. Thus came about Naim's first domestic-audio product, the distinctive NAP200 solid-state amp (1973).
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