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Kalman Rubinson Posted: Nov 05, 2015 1 comments
Outside of the listening I do for this column, I always audition, assess, and review components without using any equalization or room correction—primarily because I assume that most Stereophile readers listen in two-channel stereo, and that most aren't all that interested in EQ. Besides, two-channel is the tradition I come from, and my first instinct is to try to get at the essence of the individual component itself, without applying extraneous tools or accessories. John Atkinson's bench tests are based on the same philosophy.
Michael Lavorgna Kalman Rubinson Posted: Nov 04, 2015 7 comments
UpTone Audio's USB Regen is a powered, single-port USB 2.0 hub that takes the USB signal from your computer, regenerates (ie, reclocks) the data, provides cleaned-up 5V power from a built-in, ultra–low-noise regulator, and sends an impedance-matched signal to your DAC. The Regen is designed to sit as close to your DAC as possible; UpTone supplies a male/male USB A/B adapter—a solid, double-ended plug, which they recommend over the 6"-long male/male USB A/B cable they also provide.
Kalman Rubinson Posted: Oct 30, 2015 13 comments
I first saw Benchmark's AHB2 stereo power amplifier at the 2013 Convention of the Audio Engineering Society, in New York City. On silent display in Benchmark's booth on the convention floor, its compact size and comprehensive features made the amp immediately attractive, and the design was described as a departure from traditional analog and digital amplifiers. It was also explained to me that the AHB2 was based on designs by Benchmark's founder, Allen H. Burdick (whose initials it bears). By the time of Burdick's retirement, in 2006, Benchmark didn't yet offer a power amplifier, but the company used a prototype based on his work to evaluate their new digital products, and that amp was soon developed as a commercial product; Burdick died just weeks before the AHB2, now named in his honor, was shown at the 2013 AES convention.
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Kalman Rubinson Posted: Sep 10, 2015 104 comments
It has been a disrupted spring. Late last year, my wife and I committed ourselves to a long-needed renovation of our main living space: an apartment in Manhattan. Articles, books, and TV shows have illuminated the trials and triumphs of home renovation, but as far as I know, none has included a redo of the listening room of an obsessive audiophile, let alone one who is also an audio writer facing copy deadlines.
Kalman Rubinson Posted: Aug 27, 2015 21 comments
For some time now I've wanted to upgrade my weekend system in Connecticut, and have been surveying three-way floorstanding speakers priced below about $2500/pair. I've focused on the stereo performance of each pair with music because, despite my interest in surround sound, the great majority of recordings are available only in two-channel stereo. Not wanting to look like a Bowers & Wilkins fanboy—my main system has long included their 800-series speakers—I put off auditioning B&W's 683 S2. But my goal was to get the best bang for my buck and with the 683 S2 costing $1650/pair, it would foolish to be influenced by such extraneous considerations. Besides, the 683 S2's three-way design and physical proportions were precisely what I was looking for.
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Kalman Rubinson Posted: Mar 11, 2015 6 comments
It seems that the rising popularity of downloading of music files is going to affect not only the distribution of high-resolution recordings but also the availability of multichannel recordings. Once freed from the technical, marketing, and distribution constraints of physical media, large hi-rez and/or multichannel files can more easily be made available. The established providers of music downloads, such as Acoustic Sounds, HDtracks, and iTrax in the US, are being joined by: sites that specialize in particular genres of music, such as the Classical Shop (UK); other sites, that focus on particular formats, such as Native DSD Music (Netherlands) and the Promates Music Store (DXD files, Denmark); and music producers, such as Blue Coast Music and the Boston Symphony Orchestra (, that offer their work directly to listeners.
Kalman Rubinson Posted: Jan 30, 2015 7 comments
Readers of Stereophile need no introduction to Bryston, a venerable Canadian electronics manufacturer known for the quality and reliability of its amplifiers and preamplifiers, and for its unique 20-year warranty. In the past few years, Bryston has ventured into digital audio with notable success, producing D/A converters, multichannel preamplifier-processors, and music-file players. While an evolution from analog into digital audio would seem logical, their most recent expansion, into loudspeakers, is more surprising. Apparently, James Tanner, Bryston's vice president, designed a speaker for his own use, and it turned out well enough that the company decided to put it into production.
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Kalman Rubinson Posted: Jan 22, 2015 0 comments
While Dolby Atmos, which adds height information to both cinema soundtracks and domestic surround-sound reproduction has created a strong buzz in the mainstream market for home-theater A/V receivers and preamplifier-processors, it's too early to know what, if any, impact it will have on music-only recordings. I'm not sanguine about the prospects—as impressive as I've found Atmos to be for movies, the expansion of sources to the vertical plane would seem to be of little value for music performed on acoustic instruments. Moreover, it seems unlikely that mainstream record labels will adopt this format any more than they have embraced multichannel or even high-resolution audio. Sound of CD quality or below still dominates the recording industry, even if hi-rez downloads are a bright but tiny point of light.
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Kalman Rubinson Posted: Jan 16, 2015 0 comments
Kevin Deal was so proud of his new DiaLogue Premium HP power amplifier ($3899 stereo or monoblock) that he insisted on showing off its underside so that we can all appreciate the quality of the components and the fastidious wiring.
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Kalman Rubinson Posted: Jan 16, 2015 0 comments
T+A's entire HV range was the epitome of sleek and sexy. I was particularly impressed with physical architecture, even beneath the skin, as there is a casework frame of solid aluminum plates, screwed together. The plates form sealed chambers to de-couple and shield all sub-assemblies from each other. External case parts are up to 40mm thick!


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