Music in the Round

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Kalman Rubinson  |  Oct 15, 2019  | 
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.
Kalman Rubinson  |  Aug 29, 2019  | 
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.
Kalman Rubinson  |  Jul 02, 2019  | 
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.
Kalman Rubinson  |  May 02, 2019  | 
Sometime near the turn of this century, I wandered into a demo room at a Consumer Electronics Show and discovered, in the exhibit of a company I'd never heard of, an integrated amplifier that sounded clean and refreshing. It was the only product Hegel Music Systems displayed at that CES, and I don't recall its name or the associated equipment, but I've always remembered that model's striking appearance and impressive sound quality.
Kalman Rubinson  |  Feb 26, 2019  | 
One of the recurring themes of this column has been my search for servers that will support the playback of high-resolution multichannel files with DSP for speaker/room equalization (EQ), as well as the format conversion and downsampling that are often part of those processes. Because most EQ software is PCM-based, format comversion is needed to convert DSD files to PCM. In addition, because most EQ products work within a limited range of sampling rates, PCM files sampled at high rates may have to be downsampled before being subjected to EQ. Those of us who use home-theater preamplifier-processors and audio/video receivers (AVRs) should be familiar with such constraints.
Kalman Rubinson  |  Jan 10, 2019  | 
Although I no longer attend the audio pageant that was once the annual Consumer Electronics Show, I now seem to be traveling more, in hopes of recapturing the excitement CES had once provided. Last May I attended High End, in Munich, and found that while it was entirely as advertised, there was, alas, not enough emphasis on the playback of high-resolution files, and hardly any attention paid to multichannel music.
Kalman Rubinson  |  Nov 01, 2018  | 
Sometimes, I feel I'm two people. One, a card-carrying audiophile, is always looking for ways to optimize his enjoyment of multichannel music recordings, a purist pursuit that begins with file playback and leads to DACs, amps, and speakers, while eschewing anything that can complicate or compromise the sound. Thus, while his main system may seem elaborate to outsiders, to him it seems streamlined: NAS>player>DAC>preamp>power amps>speakers. In fact, it's possible to combine the NAS and player in a single device, if that device's CPU and RAM are capable of doing all the tasks—but these product categories continue to evolve so quickly that he prefers to keep them discrete.
Kalman Rubinson  |  Sep 06, 2018  | 
As I took my valedictory lap around High End, the immense audio show held each May in Munich, Germany, it was clear that this year's event was an exuberant flowering of mature technology. I witnessed the dominance of hardware for LP playback, as well as analog amplifiers, many of them based on tubes, and passive loudspeakers with traditional cone-and-dome drive-units. And there was no shortage of excellent and impressive musical demonstrations. Still, I experienced no revelations, and heard no announcements of any new technology that might trigger a hopeful anticipation of the near future. It was as if HE2018 were reflecting on the past with reverence and commitment, rather than striving toward the future with innovation and adventure.
Kalman Rubinson  |  Jun 26, 2018  | 
Lovers of high-resolution multichannel sound still don't have it easy. While the two-channel market is replete with snazzy, efficient music servers in stylish boxes, the only multichannel equivalents are Merging Technologies' Merging+Player Multichannel-8, and a handful of stereo devices that are rumored to do multichannel, though no such claims are made in print. To be candid, the latter will play multichannel tracks via USB, Ethernet, or HDMI outputs to suitable DACs (but that's another story), but because they're aimed at the two-channel market, they tend to skimp on the CPU horsepower and RAM needed to handle higher-resolution multichannel files. Even the Merging+Player Multichannel-8 ($13,500), with its Intel i3 CPU running Roon, couldn't entirely keep up with everything in my library.
Kalman Rubinson  |  May 01, 2018  | 
For some years now, I've tried to free myself from playing physical media and get all my music organized on a server. It's not that I don't enjoy handling and playing discs, but it's almost impossible to keep track of them. When my collection was only a thousand or two LPs, I felt I could remember each one individually. But now I have several times that many silver discs, and I know I can't.
Kalman Rubinson  |  Mar 01, 2018  | 
Merging Technologies' original NADAC Multichannel-8 ($11,500) is an impressive device. (NADAC is an acronym for network-attached digital-to-analog converter.) It has eight channels of high-resolution D/A conversion, and two more for its front-panel headphone jack; a cutting-edge Ravenna Ethernet input (based on the AES67 Audio over Internet Protocol, or AoIP); and, to my delight, a real volume-control knob on the front.
Kalman Rubinson  |  Jan 02, 2018  | 
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  | 
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  | 
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  |  Jun 29, 2017  | 
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.

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