Reference

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John Atkinson  |  Aug 19, 1995  |  1 comments
As mentioned by two readers in this month's "Letters," amplifiers are used to drive loudspeakers but are almost exclusively measured into resistive loads. The reasons for this are twofold: 1) real loudspeakers both produce neighbor-annoying sound levels and tend to break when driven with typical amplifier test signals; and 2) the question as to which "standard" loudspeaker should be used is impossible to answer---at least the conventional resistive loads are consistent and repeatable.
Keith Howard  |  Nov 21, 2004  |  0 comments
In the world of digital audio, jitter has been a focus of audiophile attention for well over a decade. It is blamed for many of the sonic ills of which CD and other digital media have been accused. But here's a puzzle: The major source of frequency intermodulation distortion in audio systems—the loudspeaker—has largely escaped such withering inquiry. Why?
Keith Howard  |  Feb 05, 2006  |  First Published: Jan 05, 2006  |  0 comments
106howard.1.jpgMuch as I like the prospect of being able to grunt a heartfelt Je ne regrette rien immediately before expiring, I know there will be too many what-ifs and wish-I-hadn'ts to make that even remotely possible. But here is one missed opportunity that won't flash before me, because John Atkinson has granted me a second chance.
Brian Damkroger  |  Feb 02, 2000  |  0 comments
One of the challenges I faced in optimizing the performance of the Thiel CS7.2 loudspeakers that I reviewed in February 2000 was controlling and tuning their interaction with my listening room. Intuition, experience, trial and error—all came into play, as did several of the procedures and calculations covered by Jonathan Scull in his "Fine Tunes" column.
J. Gordon Holt  |  Jul 29, 1993  |  0 comments
Subjective audio is the evaluation of reproduced sound quality by ear. It is based on the novel idea that, since audio equipment is made to be listened to, what it sounds like is more important than how it measures. This was a natural outgrowth of the 1950s high-fidelity "revolution," which spawned the notion that a component, and an audio system as a whole, should reproduce what is fed into it, without adding anything to it or subtracting anything from it.
J. Gordon Holt  |  Mar 17, 1994  |  0 comments
High-end audiophiles are space freaks---we relish the warmth and spaciousness of a fine, old performing hall almost as much as we do the music recorded in it. But my attendance at a series of orchestral concerts held last summer brought home to me---as never before---the sad fact that our search for the ultimate soundstage is doomed to failure: we're trying to reproduce three-dimensional space from a two-dimensional system, and it simply can't be done.
John Atkinson  |  Nov 15, 2000  |  0 comments
In his very English way, Sony's then managing director for the UK, Tim Steele, was getting a touch, er, desperate. His oh-so-cultured voice rose a smidgen as he resorted to a direct selling of the benefits of what he was talking about. "Look, you're all sitting on riches," was his fundamental pitch. "You can sell music-lovers your entire back catalog all over again—at a higher price!"
David Rich  |  Nov 15, 2000  |  0 comments
Although Philips invented the Compact Disc, it was only when Sony got involved in the early 1980s that it was decided—at the prompting of conductor Herbert von Karajan, a close friend of Sony's then-president Akio Morita—that the CD should have a long enough playing time to fit Beethoven's Ninth Symphony on a single disc (footnote 1). Even if the conductor was using very slow tempos, and even given the minimum pit size and track pitch printable at the time, the 16-bit data and 44.1kHz sampling rate they settled on gave them a little margin.
Bob Katz  |  Dec 09, 1989  |  0 comments
"My system has great imaging!" "I can hear sound coming from beyond my speakers." "The depth image in my system goes back at least 20 feet." Yes, we audiophiles are proud of our imaging (footnote 1), and we've worked hard to get it. My back is still aching from the last time I tweaked my speakers until the image was just right.
John Atkinson  |  Dec 19, 2012  |  First Published: Oct 21, 2011  |  144 comments
In the summer of 2011, Stereophile's long-time editor in chief, John Atkinson, was invited by the Technical Council of the Audio Engineering Society to give the Richard C. Heyser Memorial Lecture at the 131st Audio Engineering Society Convention in New York, October 21, 2011.
Robert Harley  |  Dec 25, 1994  |  1 comments
Nothing quite new is perfect. —Marcus Tullius Cicero, Brutus
Malcolm Omar Hawksford  |  Aug 28, 2005  |  First Published: Oct 01, 1995  |  0 comments
Editor's Note: The matter of whether—and if so, how—speaker cables and interconnects can affect the sound of an audio system has vexed the audiophile community since Jean Hiraga, Robert Fulton, and others first made us aware of the subject in the mid-1970s. Most of the arguments since then have involved a great deal of heat but not much light. Back in August 1985, Professor Malcolm Omar Hawksford Ph.D (of the UK's University of Essex and a Fellow of the Audio Engineering Society) wrote an article for the British magazine Hi-Fi News & Record Review, of which I was then Editor, in which he examined AC signal transmission from first principles. Among his conclusions was the indication that there is an optimal conductor diameter for audio-signal transmission, something that I imagined might lead to something of a conciliation between the two sides in the debate. Or at least when a skeptic proclaimed that "The Laws of Physics" don't allow for cables to affect audio performance, it could be gently pointed out to him or her that "The Laws of Physics" predict exactly the opposite.
John Marks  |  Aug 25, 2002  |  0 comments
The fundamental object of the invention is to provide...the listener a realistic impression that the intelligence is being communicated to him over two acoustic paths in the same manner as he experiences in listening to everyday acoustic intercourse....—Blumlein, et al, British Patent #394,325, issued June 14, 1933
Robert Harley  |  Jul 04, 2004  |  First Published: Jan 01, 1992  |  0 comments
"How sour sweet music is
When time is broke and no proportion kept!"
Keith Howard  |  Feb 08, 2004  |  First Published: Jan 01, 2004  |  0 comments
The Compact Disc clearly hasn't read the script. At a time when, in the autumn of its commercial life, the format is supposed to be stepping aside to allow younger blood to succeed it, CD has instead in recent years enjoyed something of a revival in audiophile opinion. While SACD and DVD-Audio, rather strutting and fretting their hour upon the stage, are doing more plain fretting than anything, the best in CD sound quality has improved sufficiently for some to question whether we need the new media at all.

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