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Robert Harley Posted: May 29, 2009 Published: Nov 01, 1992 0 comments
Audiophiles constantly seek ways to improve the experience of hearing reproduced music. Preamps are upgraded, digital processors are compared, turntables are tweaked, loudspeaker cables are auditioned, dealers are visited, and, yes, magazines are read—all in the quest to get just a little closer to the music.
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Robert Harley Posted: May 29, 2009 Published: Jun 01, 1991 0 comments
As founder of California-based Vacuum Tube Logic of America, David Manley is at the forefront of the current renaissance in vacuum-tube audio equipment. In addition to manufacturing some highly regarded audiophile components, VTL has introduced a line of tubed professional equipment that is finding its way into recording studios. David has a lifetime of experience in tube electronics, recording studio design, disc cutting, music recording, and most recently, analog/digital and digital/analog converter design.
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Robert Harley Posted: May 01, 2009 Published: Jan 01, 1993 0 comments
"Everybody, including myself, was astonished to find that it was impossible to distinguish between my own voice, and Mr. Edison's re-creation of it."—Anna Case, Metropolitan Opera Soprano, 1915
Robert Harley Posted: Apr 03, 2009 Published: Aug 03, 1994 0 comments
High-end audio companies take different approaches to staying successful. One way to maintain a market position is to continue improving fundamental designs, offering a little higher sonic performance with each model. The latest products from a company employing this approach will look and operate very much like their first products.
Robert Harley Posted: Apr 03, 2009 Published: Apr 03, 1995 0 comments
The Krell KPS-20i (KPS stands for "Krell Playback System") is essentially a CD transport and digital processor in one chassis. What make the KPS-20i different from a CD player are the unit's five digital inputs, which allow the KPS-20i to function as a digital/analog converter for external digital sources.
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Robert Harley Posted: Mar 25, 2009 Published: Sep 25, 1989 0 comments
Beginning with this issue, Stereophile readers will notice that more of the subjective equipment reviews are augmented with technical reports describing certain aspects of the component's measured performance. Although test data have lately been increasingly included in reviews, Stereophile has recently made a major commitment to providing readers with relevant measurements of products under review. We have just finished building an audio test laboratory featuring the Audio Precision System One, a sophisticated, computer-based audio test measurement system.
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Robert Harley Posted: Mar 22, 2009 Published: May 22, 1993 0 comments
When I taught a recording engineering program at a California college, one of my first responsibilities to new students was to clarify for them what recording engineering was really about. Many of them entered the program with the impression that recording was nonstop glamor, with a significant part of the job devoted to partying with their favorite rock bands. It was my job to tell them the bad news: Recording was more about lying on your back underneath a recording console on a dirty studio floor with hot solder dripping on your face.
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Robert Harley Posted: Feb 06, 2009 Published: May 06, 1991 0 comments
Procrustean bed: a scheme or pattern into which something or someone is arbitrarily forced.
Procrustes: a villainous son of Poseidon in Greek myth who forces travelers to fit into his bed by stretching their bodies or cutting off their legs.—Webster's Ninth New Collegiate Dictionary
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Robert Harley Posted: Dec 20, 2008 Published: Apr 01, 1991 0 comments
The whole field of subjective audio reviewing—listening to a piece of equipment to determine its characteristics and worth—is predicated on the idea that human perception is not only far more sensitive than measurement devices, but far more important than the numbers generated by "objective" testing. Subjective evaluation of audio equipment, however, is often dismissed as meaningless by the scientific audio community. A frequent objection is the lack of thousands upon thousands of rigidly controlled clinical trials. Consequently, conclusions reached by subjective means are considered unreliable because of the anecdotal nature of listening impressions. The scientific audio community demands rigorous, controlled, blind testing with many trials before any conclusions can be drawn. Furthermore, any claimed abilities to discriminate sonically that are not provable under blind testing conditions are considered products of the listeners' imaginations. Audible differences are said to be real only if their existence can be proved by such "scientific" procedures (footnote 1).
Robert Harley Posted: Aug 04, 2008 Published: Oct 04, 1990 0 comments
Triad Speakers has been designing and manufacturing three-piece (woofer and two satellites) loudspeaker systems since 1982. The company was formed that year by designer Larry Pexton and has enjoyed steady growth in their market niche. Their original three-piece loudspeaker was a collaboration with Edward M. Long, of "Time-Align" fame, and Ron Wickersham. It was felt that the ideal loudspeaker would have the least cabinet interference, thus the design decision to keep the woofer separate and the midrange/tweeter enclosure small. Triad speakers were selected for inclusion in the Consumer Electronics Show's Innovations 1990 Design and Engineering Showcase, the sixth time the company's products have been selected for this award.

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