Digital Processor Reviews

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The Fifth ElementDigital Processor Reviews
The Fifth Element #84
John Marks  |  Apr 10, 2014  |  2 comments
Were it my place to hand out awards for "The Most Forthright People in Audio," Michael Grace of Grace Design would be at the top of the list. Years ago, after I'd given stellar recommendations of Grace's 901 and m902 headphone-amplifier-DAC-line-stage models, I asked Grace if I could audition his full-rack–size, more fully featured m904 Stereo Monitor Controller. He told me that he didn't think that was necessary, because the m904's sound was extremely similar to the sound of the smaller m902—it just had a different feature set, and he believed that the additional features were not things that Stereophile readers were likely to need. That is the only case I can recall of a manufacturer's declining an offer of additional coverage in Stereophile.
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Budget Component ReviewsDigital Processor Reviews
Musical Fidelity V90-DAC D/A processor
Sam Tellig, John Atkinson  |  Jul 18, 2014  |  First Published: Apr 01, 2014  |  14 comments
They can't sound very good—they're not big enough. As we all know, in hi-fi, big products mean big performance. Musical Fidelity's V90 series can't be any good. They don't cost enough. With your golden ears, you must pay through the nose.

The V90 components turn all this around. They are tiny. Inexpensive. Beautifully built.

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Digital Processor Reviews
MSB Technology Analog DAC D/A converter and Analog Power Base power supply
Jon Iverson  |  Mar 28, 2014  |  3 comments
Back in high-end audio's golden days—for the purposes of this story, the mid- to late 1980s—my audio store, Audio Ecstasy, had a service tech named Tom Hewitt. Were he still with us (and I wish he were), Tom would appreciate the radical case design of the MSB Analog DAC. Tom loved not only to fix things, but to see what happened when things were violently stressed. He tested the limits of component construction.
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Budget Component ReviewsDigital Processor ReviewsComputer Audio Reviews
Channel Islands Audio Transient Mk.II & VDC•5 Mk.II USB D/A processor & power supply
Jon Iverson  |  Mar 07, 2014  |  0 comments
Most folks don't even know they exist, but the Channel Islands are a chain of eight moderately sized mountains poking through the Pacific Ocean along the coast of southern California, between Santa Barbara and San Diego. The most famous of these is Catalina Island and its city, Avalon, which sit opposite San Clemente. The other Channel Islands are relatively wild and have been preserved mostly uninhabited.
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Budget Component ReviewsDigital Processor ReviewsComputer Audio Reviews
ASUS Xonar Essence One Muses Edition D/A processor–headphone amplifier
John Atkinson  |  Mar 07, 2014  |  1 comments
Back in the summer of 2009, USB-connected D/A processors that could operate at sample rates greater than 48kHz were rare. Ayre Acoustics had just released its groundbreaking QB-9, one of the first DACs to use Gordon Rankin's Streamlength code for Texas Instruments' TAS1020 USB 1.1 receiver chip. Streamlength allowed the chip to operate in the sonically beneficial asynchronous mode, where the PC sourcing the audio data is slaved to the DAC. But high-performance, USB-connected DACs like the Ayre were also relatively expensive back then, so in the January 2010 issue of Stereophile I reviewed a pair of soundcards from major computer manufacturer ASUS , the Xonar Essence ST and STX, which, at $200, offered a much more cost-effective means of playing hi-rez files on a PC.
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Digital Processor ReviewsComputer Audio Reviews
Benchmark ADC1 USB A/D converter
John Atkinson  |  Feb 04, 2014  |  0 comments
Erick Lichte's review of Benchmark's DAC2 HGC D/A converter in this issue gave me an ideal opportunity to spill some ink on the company's ADC1 USB A/D converter. The ADC1 is housed in the same small case as the DAC (one rack unit high, half the rack unit width), and is offered with a black front panel with rack ears, or a silver aluminum panel without ears, either for $1795.
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Digital Processor Reviews
Benchmark DAC2 HGC D/A processor/headphone amplifier
Erick Lichte  |  Jan 31, 2014  |  First Published: Feb 01, 2014  |  4 comments
I totally called this one.

In 2007, I spent time with Bel Canto Design's e.One DAC3 D/A processor. In his review of the DAC3 in the November 2007 issue, John Atkinson quoted my comparison of it with the Benchmark DAC1, which I called "the Swiss army knife of audio" and "one of the only future-proof source components you can buy these days."

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Digital Processor Reviews
AURALiC VEGA D/A processor
John Atkinson  |  Jan 31, 2014  |  First Published: Feb 01, 2014  |  13 comments
I was alerted to the new VEGA D/A processor from Chinese manufacturer AURALiC by Michael Lavorgna's rave review for our sister site AudioStream.com in April 2013: "Everything I played through the Auralic Vega was equally wow-inducing. Everything. . . . Music I've heard hundreds of times was presented with a crisp, clean, and delicate clarity that was simply uncanny and made things old, new again. . . . Its ability to turn music reproduction into an engaging and thrilling musical experience is simply stunning."
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Music in the RoundDigital Processor Reviews
Music in the Round #64
Kalman Rubinson  |  Jan 04, 2014  |  0 comments
In my November 2013 column, I looked at the NuForce AVP-18 multichannel preamplifier-processor ($1095) and the exaSound e28 multichannel DAC ($3299), each of which offers fresh options in its category that break with the predictability of mainstream products. That predictability is the result of market analysis that supposedly tells manufacturers which features users want most. However, it's just as true that users can buy and choose among only those components and features already offered. Many of us are more peculiar in our demands—what's generally offered doesn't always fit our needs. This month, I look at an unusual pre-pro and a multichannel digital equalizer at opposite ends of the price spectrum.
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Audacious AudioDigital Processor ReviewsHi-Rez Disc Player/Transport Reviews
dCS Vivaldi digital playback system
Michael Fremer  |  Jan 04, 2014  |  First Published: Jan 01, 2014  |  2 comments
More than a decade ago, Data Conversion Systems, aka dCS, released the Elgar Plus DAC, Purcell upsampler, and Verdi SACD/CD transport, for a total price of $34,000. In 2009 came the Scarlatti—a stack of four components for $80,000, also available individually (see my August 2009 review). The latest variation on the English company's theme are the four Vivaldi components, launched at the end of 2012 for a total price of $108,496.
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Digital Processor Reviews
Electrocompaniet Classic ECD 2 D/A processor
John Atkinson  |  Dec 05, 2013  |  3 comments
In more than 37 years of working at audio magazines, I have never reviewed an Electrocompaniet product. With this review of the company's ECD 2 digital/analog processor, which costs a dollar short of $3100, that streak of inattention has come to an end.
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Budget Component ReviewsDigital Processor ReviewsComputer Audio Reviews
Arcam rBlink Bluetooth D/A processor
Sam Tellig, John Atkinson  |  Feb 14, 2014  |  First Published: Dec 01, 2013  |  6 comments
Am I the only one who values content and convenience over sound quality?

There. I've said it. I am not an audiophile; ie, someone who's in love with recorded sound for its own sake. The search for ideal sound can leave a person burned out and broke.

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CD Player/Transport ReviewsDigital Processor Reviews
Aesthetix Saturn Romulus DAC/CD player
Jon Iverson  |  Oct 07, 2013  |  3 comments
Tubes?

In a CD player?

Century-old technology embedded in a modern digital design?

I realize that Aesthetix's Saturn Romulus is not the first disc player or D/A processor with tubes, nor will it be the last—but does combining these technologies even make sense? Are audiophiles working at cross purposes to themselves, looking for modern perfection but preferring a little old-school sweetening here and there?

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CD Player/Transport ReviewsDigital Processor Reviews
Audio Research Reference CD9 CD player/DAC
Fred Kaplan  |  Oct 07, 2013  |  9 comments
Now entering its fourth decade, the Compact Disc player seems to have reached a stage of maturity where the best models within a given price range will sound pretty much alike. The technology of the Compact Disc itself is set, its possibilities and limitations are well understood; and the designers of CD players who figure out how to stretch the former and finesse the latter wind up at about the same sonic place (again, for the same price), even if they've taken different routes to get there.
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Budget Component ReviewsDigital Processor ReviewsHeadphone Reviews
Meridian Explorer USB D/A processor/headphone amplifier
Art Dudley  |  Aug 30, 2013  |  First Published: Sep 01, 2013  |  6 comments
Those of us who groan at the appearance of every new five-figure digital source component in a massively oversized chassis—and who groan in greater torment when the offending manufacturer says his customer base insists on products that are styled and built and priced that way—can take heart: The appearance of such sanely sized and affordable products as the Halide Design DAC HD ($495) and the AudioQuest DragonFly ($249) would suggest that the market has a mind of its own.
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