Art Dudley

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Art Dudley Posted: Dec 03, 2012 65 comments
Loudspeakers have been commercially available for nearly a century, yet those whose drive-units are mounted to baffles of intentionally limited width didn't appear in significant numbers until the 1980s. That seems a bit strange, given that the technology to transform large boards into smaller boards has existed since the Neolithic era.
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Art Dudley Posted: Nov 14, 2012 4 comments
Apart from a 2004 column in which I made cruel fun of the angriest (footnote 1) complaints I'd received to that point—an entertaining if lazy template I hope to re-use before long—I've done little to acknowledge the mail I receive every week, most of it thoughtful and positive. I'm especially grateful for the nice letters I get every time I write about vintage audio, as I did in Stereophile's August issue ("Five vintage loudspeakers you should hear before you die"): The art of music is best served by an open-minded approach to playback gear, and I'm encouraged to think that some Stereophile readers actually understand that.
Art Dudley Posted: Nov 09, 2012 2 comments
I can imagine the gaiety and mirth that filled the halls of the electronics industry in the 1950s, as engineer after bespectacled engineer realized that the transistor would soon consign to the outposts of oblivion those ancient technologies that had preceded it. Before long—surely no more than a decade—the hated vacuum tube would vanish from the Earth, along with the tube socket, the tube tester, the tag board, the high-voltage rail, and that lowest rascal of them all, the output transformer. What a jubilant time!

I can't imagine what went wrong.

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Art Dudley Posted: Oct 21, 2012 12 comments
The next-to-the-last demonstration I heard at RMAF 2012 was among the two or three most impressive. Doing business as Volti (it means to move forward) Audio, Maine resident Greg Roberts builds horn loudspeakers that seem to embody both the superb craftsmanship and musical impact of America's finest vintage-audio products. His newest, the Vittora ($15,000/pair), is a three-way loudspeaker with a horn-loaded 15" bass driver, horn-loaded 2" compression driver for the midrange, and horn-loaded 1" compression driver for the treble, with passive crossover networks, stepped attenuators for the mids and trebles, and an all-plywood cabinet in a choice of veneers. Based on a brief audition with EMM Labs digital source components and a BorderPatrol S20 single-ended 300B amp ($13,750), I can only say that the Vittora is, if anything, underpriced. My first question to Mr. Roberts was, "Who do I have to kill to borrow a review pair?"; we're still working out the details. . .
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Art Dudley Posted: Oct 19, 2012 0 comments
Hawaii-based Emerald Physics—a company I hadn't heard of until RMAF 2012—demonstrated their own US-built loudspeakers and electronics with a Peachtree Audio novaPre preamp–D/A converter playing music files from a laptop computer. Emerald's CS2P open-baffle loudspeaker ($2990/pair) works as a dipole below 1000 Hz, with a 15" woofer and a horn-loaded 1" tweeter. The retail price of the system I heard, including the Peachtree unit; the Emerald Physics CS2P loudspeakers; Emerald's DSP2.4 active outboard crossover/EQ unit ($850); and the company's EPI100.2 100Wpc digital amplifier ($1600) was under $7000, not including computer and playback software. While far from perfect—the bass wasn't especially taut, and there was little in the way of the sorts of texture and tone I crave—the performance was clean, spacious, and satisfying.
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Art Dudley Posted: Oct 19, 2012 1 comments
Robert Kelly of German Physiks strikes a pose worthy of a Kraftwerk album cover while showing off the company's newest loudspeaker, the Unlimited Mk.II ($13,500/pair). With the company's omnidirectional DDD driver handling everything above 200Hz, the Unlimited Mk.II had an unsurprisingly open and spacious sound, with the same sort of near holographic imaging I heard in the Nola room: very impressive.
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Art Dudley Posted: Oct 19, 2012 0 comments
At the end of the first day of RMAF, veteran audio journalist Ken Kessler moderated a seminar titled "High-End Audio: Regaining the High Ground." Some such events—I would go so far as to say most such events—make me feel more like a reporter for Whine Spectator than Stereophile, but this one wasn't bad, and some of the observations expressed on the relationship between education (as in: music appreciation) and industry (as in: us) could actually prove useful. Ken Kessler stimulated the conversation with his own passionately held opinions, and many in the audience responded in kind (if with a little too much wind, in one case). Seen above are panelists Peter McGrath (Wilson Audio), Kathy Gornik (Thiel), Michael Fremer (Stereophile and AnalogPlanet.com), and Roy Hall (Music Hall).
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Art Dudley Posted: Oct 19, 2012 7 comments
Perhaps I don't spend enough time at my local Apple store—which is, after all, only 70 minutes away—but I confess that I'd never heard the word thunderbolt in a high-tech context before RMAF 20212. Now, having attended the computer-audio seminar moderated by my friend Michael Lavorgna—of sister site AudioStream.com—I know that Thunderbolt is now the preferred interface for connecting a music-storage drive (or NAS) to a current iMac or MacBook. Seen here are panelists Rob Robinson (Channel D), Mark Waldrep (AIX and iTrax), Steve Silberman (AudioQuest), and Michael Lavorgna (left to right).
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Art Dudley Posted: Oct 19, 2012 0 comments
Electronics designer and manufacturer Ron Sutherland, who is surely one of the nicest and most upstanding people in our rather motley trade, brought to the show a sample of the brand new Sutherland Insight phono preamplifier ($1400). Essentially, an AC version of the battery-powered Sutherland Ph3D ($1000), the beautifully made Insight uses a well-screened switch-mode power supply, and offers a battery (sorry) of options with regard to gain and loading values, all selectable by means of gold-plated jumpers and pins—which, according to Ron Sutherland, are far better-sounding and more reliable than DIP switches.
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Art Dudley Posted: Oct 19, 2012 0 comments
As a card-carrying member of The Insecure, I tend to clam up when I'm around people who are considerably more intelligent or well-informed than I. Consequently, I had embarrassingly little to say in the presence of Bricasti Audio's Brian Zolner, whose understanding of the various digital-filtering choices offered by his company's M1 D/A converter ($8495) was as deep as it was generously and at times even humorously offered. In any event, the Bricasti sounded fine at the front of a system in which a pair of Harbeth HL5 loudspeakers ($5690/pair) was driven by the undeniably beautiful Dan D'Agostino Momentum Stereo amplifier ($25,000).

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