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EMM Labs DV2 D/A processor

February 28, 2019, 11:36 am
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For years, I've attended audio shows at which the Canadian company EMM Labs, either on its own or in conjunction with Kimber Kable and IsoMike, has displayed some of the grandest, most impressive-sounding multichannel systems I've ever heard. When everything was aligned properly, as it was at the 2018 Rocky Mountain Audio Fest, the sound was breathtaking.
Thu, 02/28/2019
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Naim ND5 XS 2 media player

March 19, 2019, 10:51 am
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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).
Tue, 03/19/2019
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Pro-Ject Pre Box S2 Digital D/A headphone amplifier

March 29, 2019, 10:50 am
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I first met Pro-Ject Audio Systems' founder and president, Heinz Lichtenegger, in 2016, at the US launch of the Austrian company's The Classic turntable. His passion for all things hi-fi was so intense I thought his head might explode. Gleeful in his mission to bring high-end audio to the people at less than typical high-end prices, Lichtenegger and Pro-Ject can fairly claim bragging rights for their entry-level Debut Carbon (DC) ($460 and up), one of the world's best-selling turntables.
Fri, 03/29/2019
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Gramophone Dreams #28: PS Audio & HiFiMan

May 23, 2019, 11:07 am
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Every time I review a digital-to-analog converter, my memory drifts to the spring of 1983, when the first Compact Discs arrived at Tower Records in New York City. They appeared in the opera section. Sitting next to big, thick boxed sets of opera LPs, these new discs looked truly compact. A few months later, boxed sets of popular opera LPs, in almost untouched condition, began selling in the Tower Annex for $1/disc.
Thu, 05/23/2019
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Jitterbuggin'

May 28, 2019, 10:30 am
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If there's one buzzword in high-end audio for the 1990s, it's undoubtedly jitter. "Jitter" describes timing variations in the clock controlling the ones and zeros that represent the analog audio signal. If that clock isn't stable to an extraordinarily precise degree, the sound quality of the digital processor will be degraded.

A CD transport/digital processor combination introduces jitter in three ways: 1) the transport puts out a jittered signal; 2) the S/PDIF or AES/EBU interface between the transport and processor creates jitter; and 3) the digital processor adds its own jitter to the clock. These additive factors are largely responsible for the great range in sound quality we hear from different transports and interfaces.

Tue, 11/01/1994
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dCS Rossini v2.0 firmware upgrade

May 28, 2019, 10:37 am
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British digital-audio specialists dCS (Data Conversion Systems) has been on a roll. Since the September 2015 introduction of the Rossini DAC ($23,999), the single-box Rossini Player ($28,499), and the Rossini Clock ($7499), they've released a number of new products and software/firmware updates. In 2016 came network firmware updates that established dCS DACs and Players as Roon endpoints. 2017 brought improved (v1.05) software for the Rossini DAC and Player, and 2018 an update to process MQA, followed by the October 2018 introduction of the Rossini upsampling SACD Transport ($23,500—see John Atkinson's review in the May 2019 Stereophile). Then, in January 2019, dCS released their Rossini v2.0 software, which applies to both the Rossini DAC and the Rossini Player, and which is offered free to Rossini owners.
Tue, 05/28/2019
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Theta DS Pro Generation III digital processor

June 6, 2019, 10:22 am
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A visiting manufacturer recently expressed the idea that digital processors and transports are the worst value in high-end audio. He contended that, because they all sound bad, their differences and degrees of imperfection are meaningless. In his view, the very best digital differed very little from the worst. His advice? Buy a moderately priced CD player and enjoy your LPs.
Thu, 10/01/1992
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Theta DS Pro Generation V digital processor

June 14, 2019, 10:40 am
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Some high-end audio companies develop reputations for having a particular "sound." This reputation develops when every product the company makes has a similar sonic flavor. These products appeal to certain customers who like the company's sound, and who therefore tend to stay with that company's products year after year. Unfortunately, such an approach can limit a manufacturer's appeal to a broader audience.
Wed, 02/01/1995
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Music in the Round #98: Trinnov Altitude 32 & Essence Evolve II-4K

July 2, 2019, 10:49 am
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As I wrote before in these pages, I have long been acquainted with French electronics manufacturer Trinnov. Years ago, at an Audio Engineering Society convention in New York, a Trinnov rep used a mastering console equipped with their processor to move, at will, the sounds of instruments around the 3D soundstage and left me thoroughly impressed. That was before my conversion from stereo to multichannel music listening, and before the blurring of borders between home theater and mainstream audio.
Tue, 07/02/2019
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Mytek Brooklyn Bridge streaming DAC/network server

August 27, 2019, 12:24 pm
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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.

Tue, 08/27/2019
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Music in the Round #99: Revel & exaSound

August 29, 2019, 12:20 pm
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There is necessity as well as comfort in having a long-term reference recordings and, system. The necessity derives from the familiarity with the reference that allows for comparisons and contrasts with the equipment being tested. The comfort that comes from the familiarity lets me relax and enjoy recreational music, relieved from the need to focus my attention intently on the sound. I do relish getting my hands on lots of interesting audio equipment and getting to play it in my own home, but it's like a two-month one-night stand: The new stuff usually goes back even if I am impressed. I don't change my audio equipment often.
Thu, 08/29/2019
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Theta Digital Cobalt 307 digital processor

September 11, 2019, 5:05 pm
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One measure of a high-end product designer's talent is the musical success of his top-of-the-line product. This is his statement to the world of what he can accomplish—a kind of "personal best" that defines the upper limits of his talent. Because he knows of no way to make the product better, the component stands as the ultimate testimonial to his skill.
Fri, 04/01/1994
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Sumo Theorem D/A processor

September 12, 2019, 11:40 am
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The $799 Theorem was originally shown at the 1992 WCES in a very small chassis that prohibited adding features or upgrades. Sumo has since become more ambitious, putting the Theorem in a full-sized chassis and offering several upgrade options that would have been impossible in the truncated version.
Thu, 10/01/1992
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dCS Bartok D/A processor/headphone amplifier

October 3, 2019, 2:24 pm
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The Vivaldi—the four-box flagship product from digital audio specialists dCS—is, in my opinion, misnamed. Vivaldi the composer was an asthmatic priest who worked in an orphanage for 30 years and died in poverty. The Vivaldi stack dedicates four separate products to converting into music digital code stored on silver discs (although you can play music—very well I am sure—on just one box, the Vivaldi DAC, footnote 1). Together, those boxes weigh about 148lb and cost some $115,000. The most expensive is the CD/SACD transport; leave that off and you can save 51lb and $42,000.
Thu, 10/03/2019
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Music in the Round #100: Multichannel & Merging Anubis

October 15, 2019, 9:17 am
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This is the 100th and—surprise!—final edition of Music in the Round. MitR began in mid-2003, shortly after SACD and DVD-A discs made high-quality multichannel music convenient and widely available. At the time, I was convinced that multichannel reproduction was superior to stereo because it was able to reproduce the full sound of the performance—not just the performers. Stereophile's founder, J. Gordon Holt, had promoted this idea many times, but the appearance of the new media finally brought it to a wider audience.
Tue, 10/15/2019
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PS Audio Digital Link II D/A processor

November 8, 2019, 10:19 am
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Looking at the Digital Link II's build quality and circuitry, it's hard to believe that it can sell for $499 at retail. The Digital Link II shares the same appearance as PS Audio's SuperLink and UltraLink processors, but has a 4"-shorter chassis. The ¼"-thick front panel uses PS Audio's familiar touch-sensitive switches that turn the unit on and select between coaxial and optical inputs. LEDs above these switches indicate when the unit is locked to the digital source. A third LED illuminates when power is applied.
Thu, 10/01/1992
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Timbre Technology TT-1 D/A processor

November 8, 2019, 10:26 am
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As the sides of the slim-line Timbre Technology TT-1 DAC are radiused rather than flat, it's elegant compared to its typical boxy competition. While the TT-1's handsome shape stands out more than your average audiophile device, its curved sides help create a stronger, less resonant shape than the usual box, and serve as just one of the many elements contributing to a high degree of mechanical integrity and damping.
Sat, 04/01/1995
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AudioQuest DragonFly Cobalt USB D/A-headphone amplifier

November 21, 2019, 11:33 am
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Unlike the world of recorded music, where streaming has decimated sales of physical products, book publishing is seeing the reverse trend: sales of eBooks are declining while those of both hardback and paperback books are recovering. I have been a book junkie all my life—the two long walls of my listening room are lined with floor-to-ceiling bookshelves and I have many boxes of books in storage—but these days almost all my book reading is with the Kindle app on my iPad mini.
Thu, 11/21/2019
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Sumo Axiom CD transport & Theorem II D/A processor

December 13, 2019, 9:44 am
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Making digital audio sound good appears to be a much more difficult job than its developers first realized. When digital audio was in its infancy, there was a tendency to think that digital either worked perfectly, or didn't work at all. This belief led the engineering community to devise ill-considered and flawed standards that affect the musical quality of digitally reproduced music today.
Thu, 06/01/1995
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Gryphon Ethos CD player-D/A processor

December 19, 2019, 10:53 am
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What kind of creature is this? Gryphon Audio Designs' new Ethos ($39,000)—pronounced EE-toss by its Danish manufacturers—is marketed as a CD player and digital-to-analog converter. It's decidedly au courant in that it includes two 32-bit/768kHz ES9038PRO Sabre DAC chips—one for each channel—with each holding eight individual DAC chips; offers optional upsampling to either 24/384 PCM or DSD128; and decodes up to 32/384 PCM and quadruple DSD (DSD512) via its USB input, or up to 24/192 (and no DSD) via AES/EBU or S/PDIF.
Thu, 12/19/2019
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