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Budget Component Reviews Stand Loudspeaker Reviews

Herb Reichert | Jun 25, 2020

I've been wrestling with my elders about new ways to measure loudspeakers, lobbying for methods that might correlate more directly with a listener's experience. And wouldn't you know? Right in the middle of this Socratic dialogue, I put the fresh-from-UPS, $1000/pair, Tannoy Revolution XT 6s into my reference system, plunking them down on my 24" Sound Anchor Reference stands in the same spot my Harbeth P3ESRs had been sitting. And I freaked! I was using the Rogue RP-7 preamp and the Rogue Stereo 100 (100Wpc) amplifier, and I could never adequately describe how bad the shiny white Tannoys sounded. Imagine sound that's thin, metallic, herky-jerky, dull, and rolled off completely below about 90Hz.

Solid State Power Amp Reviews

Classé Delta Mono monoblock power amplifier

John Atkinson | Jun 24, 2020

Canadian audio manufacturer Classé Audio was founded in 1980 by engineer Dave Reich and entrepreneur/audiophile Mike Viglas. The name "Classé" was a pun on the fact that Reich was a firm believer in an amplifier's output stage operating in class-A, where the output devices never turn off (see sidebar). Though the brand was established with the 25Wpc DR-2, the first review of a Classé amplifier to appear in Stereophile, by Larry Greenhill, was of the later DR-3, in December 1985. No fewer than 22 reviews of Classé products are available in our free online archive.

Revinylization

Revinylization #7: Lee Morgan's The Cooker

Jim Austin | Jun 23, 2020

Jazz collecting has an archaeological aspect to it; it's one of my favorite aspects of the hobby. Far more than most other genres, jazz evolved over its first several decades, and it did so on record. Every musician was distinctive, changed from session to session, and interacted with other musicians in ways specific to the ensemble, the time, the place, and the mood. Every record, live or from a studio, is a snapshot of where jazz was precisely then and there. You can get to know musicians' styles, and with practice, you can really hear what's going on.

Audacious Audio Floor Loudspeaker Reviews

Von Schweikert Ultra 55 loudspeaker

Michael Fremer | Jun 19, 2020

Achieving room-filling, high-quality sound in a hotel room is difficult enough. Getting it in a cavernous ballroom is even more problematic. Yet, over the past few years at AXPONA, RMAF, and most recently at the February 2020 FLAX (Florida Audio Expo), Von Schweikert Audio, in association with The Audio Company of Marietta, Georgia, has managed that—and, other than the approximately 100 bodies occupying every seat in the house, they've done it without any room treatment, or without any that I could see.

Recording of the Month

Recording of July 2020: Earth

Anne E. Johnson | Jun 18, 2020

EOB (Ed O'Brien): Earth
Capitol (24/88.2 streaming). 2020. Flood and Catherine Marks, prods.; Alan Moulder, Stephen Marcussen, engs.
Performance ****
Sonics ****

Calling himself EOB, songwriter/singer/guitarist Ed O'Brien has released his first solo album after 35 years with Radiohead. Over the decades, bandmates have branched out for high-profile projects—Jonny Greenwood writes film scores and Thom Yorke has several solo recordings—but O'Brien has stayed mostly in the background. Earth pushes him to the forefront, revealing a knack for collaborative creativity.

As We See It

Art Dudley: A Primal Light

Jim Austin | Jun 17, 2020

Photo: Sasha Matson

In April 14, 1895, Mahler's Symphony No.2, "Resurrection," premiered in Berlin (footnote 1). Mahler wrote a program for this symphony prior to a performance six years later, in Dresden. Here is what he wrote about the first movement, Allegro maestoso:

"We are standing near the grave of a well-loved man. His whole life, his struggles, his sufferings and his accomplishments on earth pass before us. And now, in this solemn and deeply stirring moment, when the confusion and distractions of everyday life are lifted like a hood from our eyes, a voice of awe-inspiring solemnity chills our heart, a voice that, blinded by the mirage of everyday life, we usually ignore: 'What next?' it says. 'What is life and what is death? Will we live on eternally? Is it all an empty dream or do our life and death have meaning?'"

My Back Pages

Art Dudley: The Art of Being

Jason Davis | Jun 16, 2020

Photo: Sasha Matson

I met Art Dudley twice, and in both instances, he was exceedingly humble and gracious with his time. The first time, I thanked him for hosting the Virtues of Vintage panel at DC's Capital Audiofest, just moments after he was verbally accosted by an unwell man seated in front of me—something about audio-journalism lingo and abstract phrases like "midrange bloom."

Cable Reviews Historical Reference

What a Difference a Wire Makes

Ben Duncan | Jun 12, 2020 | First Published: Dec 01, 1995

Testing the RF transmission of Kimber Kable, up to 3GHz, at Ben Duncan Research Labs, in 2008. The resulting proof of RF rejection was published on-line by Russ Andrews Accessories in England. (Photo: Naomi Swain).

Editor's Preface: In an article in the October 1995 issue of Stereophile, Professor Malcolm Omar Hawksford used Maxwell's Equations to develop a mathematical model describing the behavior of cables at audio frequencies. Among the predictions of this model were that for good conductors there exists an optimum size of wire for audio signal transmission, and that for a wire larger than this size an energy storage mechanism would exist. In his article Malcolm described a simple experiment, the results of which appeared to confirm his hypothesis.

Then serendipity struck. English engineer Ben Duncan, whose writings have occasionally appeared in Stereophile, sent me an article he had written for the pro-audio magazine Studio Sound. The results of a series of cable measurements he had performed seemed to confirm the Hawksford Hypothesis. We offer them here for your delight and delectation.—John Atkinson

Solid State Power Amp Reviews

Pass Laboratories Aleph 0 monoblock power amplifier

Dick Olsher | Jun 11, 2020 | First Published: Mar 01, 1995

The Aleph Null, or 0, represents Nelson Pass's maiden product under the Pass Laboratories banner. When he left Threshold several years ago, Pass had the luxury of starting over with a clean slate, and decided immediately that he wanted to design a single-ended MOSFET amp. The result is aptly named after Georg Cantor's first transfinite number: Aleph Null, the gateway to higher-order infinities. Just as Cantor's transfinite mathematics stretched minds with its novel conceptual view of the infinite, the Pass Aleph 0 tantalizes the imagination with a new dimension in the future of solid-state amplification: a single-ended output stage.

Miscellaneous

VPI Magic Brick

Allen Edelstein | Jun 10, 2020 | First Published: May 01, 1982

The VPI Magic Brick is an 8lb block of steel laminations, about 5" by 3" by 2", encased in a nicely-finished oak box for aesthetic appeal and for protecting whatever the brick is sitting on from scratches. Placing the Brick over the power transformer of a piece of electronic gear is supposed to improve the sound of your stereo system.

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