Audacious Audio

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Martin Colloms  |  Jun 18, 2014  |  First Published: Apr 01, 1987  |  0 comments
Four years after its launch, the CD medium would appear to have come of age, at least in production terms. Annual player manufacture is now big business, and there is hardly a major audio brand without a CD machine to its name—even such analog stalwarts as Audio-Technica and Shure have succumbed.
J. Gordon Holt  |  Jun 09, 2014  |  First Published: Apr 01, 1980  |  21 comments
Dr. Alan Hill, president of Plasmatronics Inc., was previously employed by the US Government in laser research. His assignment: To increase the efficiency of lasers so that they could do something more impressive than produce holograms, mend leaky retinal blood vessels, and punch pinholes in steel blocks. Dr. Hill earned his keep, thus advancing laser technology a giant step closer to Star Wars, and then retired from government service to design. . . a loudspeaker?!!!?
John Atkinson  |  May 27, 2014  |  First Published: Jun 01, 2014  |  6 comments
A year or so ago, in my review of the Pass Labs XP-30 preamplifier, I wrote that the heart of an audio system is the preamplifier, in that it sets the overall quality of the system's sound. But it is the power amplifier that is responsible for determining the character of the system's sound, because it is the amplifier that must directly interface with the loudspeakers. The relationship between amplifier and loudspeaker is complex, and the nature of that relationship literally sets the tone of the sound quality.
Michael Fremer  |  May 14, 2014  |  13 comments
VPI Industries' Harry Weisfeld has tried, built, and marketed almost every known way of spinning a platter. He began in the early 1980s, before many recent turntable enthusiasts were born, with the belt-driven HW-19, and since then has produced rim-driven models, and 'tables with motors outboard or inboard, one or three pulleys, one or three belts, and platters of acrylic or aluminum alloy. But while Weisfeld has owned quite a few direct-drive 'tables, he'd never come up with his own—until now.
Michael Fremer  |  May 02, 2014  |  0 comments
Big tube amplifiers were once scary monsters reserved for those who didn't mind heavy maintenance, careful tweaking, and the occasional explosion. Blown tubes required replacing, preferably with pricey matched pairs, then biasing with a voltmeter. Optimal sonic performance required regular bias monitoring and adjusting, and because of current surges on startup, you had to choose between leaving the heat-producing monoliths on, or turning them on and off for each listening session, thus shortening the life of the tubes.
Jack English, John Atkinson  |  Apr 15, 2014  |  First Published: Aug 01, 1993  |  2 comments
893count.250.jpgWhile Clearfield Audio may be a new name to many of you, it represents the marriage of two well-established members of the high-end community: Counterpoint and designer Albert Von Schweikert. Counterpoint had been working to add speakers to its product lineup for some time. The partnership with Von Schweikert, whom Stereophile readers will remember as the designer of the Vortex Screen favorably reviewed by Robert Harley in July 1989, fills out Counterpoint's high-end product line from source—the company showed a CD transport at the June 1993 CES—to speaker.

The Metropolitan
The developmental history of Vortex speakers provides a meaningful framework for the design of the Clearfield offerings, especially the Metropolitans, or Mets. Like the Vortex designs, the Mets are three-ways with transmission-loaded bass. Like the Kevlar Reference Screen (reviewed by Robert Greene in The Abso!ute Sound's "double-issue" 83/84, December '92), the Mets use Kevlar-coned midrange units from Focal that cover a broad range from 125Hz to 2kHz. What's dramatically different is the overall driver layout.

Dick Olsher  |  Apr 10, 2014  |  First Published: Feb 01, 1986  |  0 comments
Very few products exude opulence as do the Rowland amplifiers: the massive chassis, the gold finish, those sculpted handles on the front plate. For some strange reason the amp reminds me of Brutus Beefcake, the golden boy of professional wrestling, upon whom I stumbled one night while flipping through the myriad channels of our cable TV. The visual impact is the same: beefy. And then there's the price: also beefy.
J. Gordon Holt  |  Apr 10, 2014  |  First Published: Dec 01, 1985  |  6 comments
Those of our readers who are still anti-CD are going to be offended by what I am about to say. Partly because they do not want it to be true, but mainly because it is. I shall utter the heresy anyway: the Compact Disc is, right now, doing more for the cause of high-end audio than anything that has ever come along before!

There, I've said it. Now I shall explain it.

John Atkinson  |  Mar 28, 2014  |  6 comments
In February 2013, I was taking part in a "Music Matters" evening at Seattle retailer Definitive Audio, playing some of my recordings and talking about my audio philosophy. I love taking part in these events—in addition to Definitive's, in recent years I've participated in evenings organized by North Carolina's Audio Advice, Colorado's Listen-Up, and Atlanta's Audio Alternatives—but, as might be obvious, at each one I use a system provided by the retailer. The February 2013 system comprised Classé electronics and, to my surprise, Bowers & Wilkins Nautilus loudspeakers.
Michael Fremer  |  Mar 05, 2014  |  2 comments
Is the high-performance audio industry stagnating? Are designers simply repackaging the past? Cynics claim so, but to me it seems that making that case gets harder by the day, as a parade of veterans continue to produce their best work.
John Atkinson  |  Feb 25, 2014  |  First Published: Mar 01, 2014  |  6 comments
I well remember my first "real" headphones: a pair of Koss Pro4AAs that I bought back in 1970. The Kosses were relatively expensive, but, like headphones today, they allowed an audiophile with limited cash to get a taste of high-end sound that was not possible with a speaker-based system. I bought the Pro4AAs because I had become fascinated with how the images of the instruments and singers were strung along a line between my ears inside my head. It seemed so much more intimate—a more direct connection with the music—than playback through loudspeakers.
Michael Fremer  |  Jan 04, 2014  |  First Published: Jan 01, 2014  |  2 comments
More than a decade ago, Data Conversion Systems, aka dCS, released the Elgar Plus DAC, Purcell upsampler, and Verdi SACD/CD transport, for a total price of $34,000. In 2009 came the Scarlatti—a stack of four components for $80,000, also available individually (see my August 2009 review). The latest variation on the English company's theme are the four Vivaldi components, launched at the end of 2012 for a total price of $108,496.
John Atkinson  |  Dec 30, 2013  |  First Published: Jan 01, 2014  |  13 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.
Brian Damkroger  |  Dec 05, 2013  |  1 comments
When I reviewed Simaudio's Moon Evolution 880M monoblock amplifier for the June 2013 issue, I communicated via phone and e-mail with the company's VP of marketing, Lionel Goodfield. When the topic of hearing the 880Ms at their best came up, I could almost imagine him shrugging as he said, "Just use it with the most transparent, revealing preamp you can find." Not surprisingly, he then went on to say that Simaudio's own Moon Evolution 850P would serve nicely in that role. My cynical side might normally have discounted any such suggestion from a marketing man, but I'd been hearing the same sort of thing from other sources. And, as it happened, there was an 850P at Stereophile World Headquarters . . .
John Atkinson  |  Dec 02, 2013  |  11 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.

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