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John Atkinson Posted: Jan 15, 2014 0 comments
"One touch," that’s all it takes for you to enjoy your music, said B&O CEO Teo Mantoni, introducing the Danish company’s BeoSound Essence music-streaming system to the press at CES, and compared that one-touch solution to the current compendium of 10 swipes and presses that you need to playback a Spotify playlist from your smartphone. Mr. Mantoni is holding the elegant Essence Remote in his hand; a ring around the small aluminum puck controls volume and play/pause, forward and backward buttons are embedded on the top. The circular puck is available as wall-mount and desktop versions, and a remote box both connects to the playback system and is the center for AirPlay streaming, DLNA streaming, Spotify Connect, QPlay and Internet radio stations.
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John Atkinson Posted: Jan 15, 2014 1 comments
I’ve had a couple of conversations the past couple of years with mastering engineer Dave Collins about the D/A processor he was designing for Manley Labs, the company run by his wife EveAnna Manley. The 2014 CES saw the consumer debut of the Heart Monitor Controller 24/192 DSP ΔΣ [Delta-Sigma] DAC, which was being demmed in a system featuring Manley’s 25th Anniversary monoblocks, which use KT120 tubes. There are four digital inputs and Dave has kept the fully differential signal path as short as possible. Silicon includes a SHARC DSP and AD1955 DAC chips and harmonic distortion has been kept to a superbly low –120dB, and even that is the subjectively benign second. Price has yet to be decided.
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John Atkinson Posted: Jan 14, 2014 7 comments
Jon Iverson reports elsewhere on Light Harmonic's cost-no-object Sire DAC. But the bigger buzz at the 2014 CES was the LH Labs Geek Pulse, a desktop DAC and headphone amplifier. Except that this product does not yet exist!
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John Atkinson Posted: Jan 12, 2014 0 comments
The CES is traditionally where we give awardees their well-deserved Products of the Year awards. Here is the complete line-up for 2013, waiting in the Stereophile room at the Venetian, just before the show started on Tuesday January 7.
John Atkinson Posted: Dec 30, 2013 Published: Jan 01, 2014 11 comments
Whereas the Pass Labs preamplifiers are designed by Wayne Colburn, the power amplifiers are the work of company founder and high-end audio veteran Nelson Pass, who even lays out his own circuit boards. The X-model amplifiers, beginning with the X1000 in 1998, were the first implementation of Nelson Pass's patented Supersymmetry topology (see "Nelson Pass on the Patents of Pass"). The XA series, which debuted in 2002, combined Supersymmetry with the single-ended class-A operation of the Aleph series. The XA.5 models offer detail improvements over the XAs.
John Atkinson Posted: 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.
John Atkinson Posted: Dec 02, 2013 9 comments
With the help of 20:20 hindsight, it looks as if I made a decision when I joined Stereophile: to review a loudspeaker from Wilson Audio Specialties every 11 years. In June 1991, I reported on Wilson's WATT 3/Puppy 2 combination, which cost $12,740/pair in an automotive gloss-paint finish. This was followed in July 2002 by my review of the Wilson Sophia ($11,700/pair). And now, in December 2013, I am writing about the Wilson Alexia, which costs a not-inconsiderable $48,500/pair.
Sam Tellig John Atkinson Posted: Feb 14, 2014 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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John Atkinson Posted: Oct 22, 2013 0 comments
Bel Canto's John Stronczer was excited. "The Powerstream amplifier's S/N ratio is 120dB measured at the speaker terminals!" I was impressed. This is equivalent to 20-bit digital audio, which means this digital-input monoblock, which costs $15,000 each, is one of the quietest amplifiers I have encountered. It offers 300W into 8 ohms, 1200W into 2 ohms. Audio data presented to the ST-optical inputs are reclocked and then converted to analog with a BurrBrown PCM1792. The analog signal is then fed to an output stage based on the well-regarded Hypex class-D modules, used in a proprietary low-gain configuration to maximize dynamic range.
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John Atkinson Posted: Oct 22, 2013 1 comments
Wired with Transparent cables, the extreme audio system in the large room at the Denver Tech Center Hyatt—dCS Vivaldi digital source, VTL TL7.5 III preamp, VTL Siegfried power amps, Wilson Alexandria XLF speakers driven full-range and twin Thor's Hammer subwoofers driven by 250Wpc Parasound Halo A 21 amplifiers below 38Hz—worked its magic both on the disco-meets-EDM of Daft Punk's "Lose Yourself to Dance" and the delicate harmonic traceries of Dave Wilson's Debussy violin sonata recording transferred to DSD by Puget Sound's Bruce Brown. In both cases, there was a sense of loss when the music stopped. It is difficult to imagine how music reproduction could get any better than what I heard in this room the Saturday afternoon of the show!


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