Kalman Rubinson

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Kalman Rubinson  |  Jan 08, 2018  |  First Published: Jan 09, 2018  |  9 comments
Today at the CES in Las Vegas, it was announced that Sound United (Denon, Marantz, Polk Audio, Definitive Technology, Polk BOOM, HEOS, and Boston Acoustics) had acquired Classé Audio and that operations would be resumed under the leadership of Dave Nauber.
Kalman Rubinson  |  Jan 02, 2018  |  7 comments
I have not been attending audio shows as often as I used to, and this January, for the first time in more than 20 years, I'm skipping the annual Consumer Electronics Show. My personal return on investment has become hard to justify, especially when attendance at each annual CES requires a round trip from New York City to Las Vegas, Nevada. More important, audio shows now seem focused mostly on either two-channel music playback or multichannel home theater, whereas what interests me is listening to music in surround sound.
Kalman Rubinson  |  Oct 31, 2017  |  21 comments
For some months now, I've lived mostly without music. To survive the dust and grit of the renovation of our Manhattan apartment, all electronics had to be covered with heavy plastic, the speakers encapsulated in large green lawn bags, and the listening room partitioned off with a temporary wall. We could listen to music with our little 3.1-channel TV system in the den (eh) or through headphones (not!), or we could decamp to our house in Connecticut, which we did as much as possible. I felt deprived. Now that it's all over, I'm grateful to have it back—and grateful for the improvements in the main system, some of them direct byproducts of the renovation.
Kalman Rubinson  |  Aug 31, 2017  |  7 comments
It's time to fulfill my promise to write about Playback Designs' Sonoma Syrah music server and Sonoma Merlot DAC. It all began when I asked Playback's founder and CEO, engineer Andreas Koch, when he plans to produce a multichannel digital-to-analog converter—a question I've put to so many other manufacturers. He said that he already had a multichannel system on the drawing board, and not just a DAC. Our e-mail exchange culminated in his announcement of the Playback Designs USB-XIII Digital Interface, to be used between a USB source component and as many as three DACs via PLink, Playback's proprietary fiber-optic connection.
Kalman Rubinson  |  Aug 17, 2017  |  45 comments
At the risk of offending nearly every designer and manufacturer of loudspeakers, I think we have not seen anything really new in a long time. Casting a gimlet eye at Stereophile's "Recommended Components" reveals some electrostatic and planar-magnetic models, a few horns, and lots and lots of cones and domes in boxes. Those cones and domes have voice-coils inductively driven by permanent magnets, and overwhelmingly use passive crossovers. Innovation in speakers mostly takes the form of advancements in materials science and, to a much lesser degree, cabinet shape. All helpful, but not revolutionary.
Kalman Rubinson  |  Jun 29, 2017  |  7 comments
It's been going on for a while now: Despite support for multichannel in audio/video receivers and A/V processors priced from as little as $200 to $30,000, there are still very few offerings that cater to the music listener. They may offer stereo-only streaming features through their USB or Ethernet inputs, but these inputs don't see your multichannel files. To handle such files, they would require you to add a music server with HDMI output. However, I know of no turnkey music servers that will output multichannel audio via HDMI.
Kalman Rubinson  |  Jun 01, 2017  |  15 comments
Stereophile seldom reviews A/V receivers. We made an exception for Arcam's FMJ SR250 ($3600) because it's that unusual two-channel device: one that includes room-correction software, in this case Dirac Live. Many of us who listen in multichannel are comfortable with room correction, but a week doesn't pass without my hearing or reading someone say that they bypass room correction when listening to music in stereo. Spock-like, I find that illogical and, from experience, pointless.
Kalman Rubinson  |  Apr 27, 2017  |  14 comments
Several years ago, at a Consumer Electronics Show, Bob Stuart, then with Meridian Audio, took John Atkinson and me into a private room to demonstrate something new. He played individual tracks of mostly familiar recordings, twice each: first, straight from the commercial release, and then again, this time after processing with technology he was still developing. The differences were subtle, but usually we favored the second version. It was all very hush-hush, and despite our requests for technical information, Stuart spoke of his new process only in terms of results—as a way to recover the original sound at the microphone by knowing and compensating for the transfer functions of that mike and the analog-to-digital converter originally used, as well as of the digital-to-analog converter used in playback. The process had no name, and there was no timetable for its commercial launch.
Kalman Rubinson  |  Mar 24, 2017  |  12 comments
When it comes to Focal loudspeakers, I've been a lurker. For decades now, their demonstrations at audio shows have been memorable—a highlight was when, several years ago, I got Focal to play a powerful percussion track through a pair of their Grande Utopias at very high volume on a show's last day. Just to hear and feel how this mammoth system could deliver clarity and impact was awe-inspiring, and it was underscored by seeing folks from all the neighboring rooms quickly entering to enjoy it with me. It has also been a continuing pleasure to relax and listen to music with Stereophile's former Senior Editor, Jonathan Scull through his Focal Utopias, which he purchased in 1998. Alas, the years have turned, speakers have come and gone, and I had not yet had any Focal speakers in my own system. (Bob Deutsch seemed always to get the jump on me!)
Kalman Rubinson  |  Mar 02, 2017  |  11 comments
The power-amp saga continues. For months, I've been plowing through the market, searching for something to drive my three front speakers. (I use a two-channel amp for the surrounds.) It can be a three-channel amp or three monoblocks—it just has to sound great with my speakers, and be light enough that I can lift it by myself when I need to rearrange my system. I'd finally settled on Classé's Sigma Monos for their transparency, and because I can manage their weight, one at a time. At the CEDIA Expo in September 2016, I saw two more candidates worthy of consideration. Review samples of both arrived here almost simultaneously.

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