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Robert Harley Posted: May 09, 2004 Published: May 01, 1990 2 comments
The promise of "perfect sound forever," successfully foisted on an unwitting public by the Compact Disc's promoters, at first seemed to put an end to the audiophile's inexorable need to tweak a playback system's front end at the point of information retrieval. Several factors contributed to the demise of tweaking during the period when CD players began replacing turntables as the primary front-end signal source. First, the binary nature (ones and zeros) of digital audio would apparently preclude variations in playback sound quality due to imperfections in the recording medium. Second, if CD's sound was indeed "perfect," how could digital tweaking improve on perfection? Finally, CD players and discs presented an enigma to audiophiles accustomed to the more easily understood concept of a stylus wiggling in a phonograph groove. These conditions created a climate in which it was assumed that nothing in the optical and mechanical systems of a CD player could affect digital playback's musicality.
Robert Harley Posted: Apr 25, 1997 0 comments
One of the fundamental tenets of high-end audio is that a loudspeaker's bass output should be appropriate for the listening room's size. The smaller the room, the less bass the loudspeakers should produce. Any manufacturer of large loudspeakers who has set up such a system in a CES hotel room can attest to how difficult it is to avoid boominess in a tiny space.
Robert Harley Posted: Apr 05, 1997 Published: Apr 06, 1997 0 comments
One of the fundamental tenets of high-end audio is that a loudspeaker's bass output should be appropriate for the listening room's size. The smaller the room, the less bass the loudspeakers should produce. Any manufacturer of large loudspeakers who has set up such a system in a CES hotel room can attest to how difficult it is to avoid boominess in a tiny space.
Robert Harley Posted: Jul 25, 1996 0 comments
Let's say you play a CD on a poor-quality CD transport and store the digital audio data in a massive computer memory. You then repeat the process, but this time play the CD into the memory from the finest CD transport extant (say, the Mark Levinson No.31). A week later you feed the two sets of data from the massive memory into a digital processor and listen to the music. Would the CD transports' sonic signatures be removed from the signal? Could you hear a difference between the transports a week later?
Robert Harley Posted: Sep 26, 1995 0 comments
As strongly as I believe that the listening experience is the most reliable method of judging the quality of audio equipment, I've been biased against single-ended tube amplifiers because of their quirky measured performances. Without having heard single-ended under good conditions—much less living with an SE amplifier—I had concluded that many listeners must like them because they're euphonically colored by large amounts of low-order distortion and impedance interactions with the loudspeakers. SE amplifiers seem to be a departure from the goal of making the electronics transparent. Moreover, the range of loudspeakers suitable for SE amplifiers is so restrictive that I wondered why anyone would bother with these underpowered distortion-generators. I had fallen into a trap that I've repeatedly railed against: drawing conclusions without firsthand listening experience (footnote 1).
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Robert Harley Posted: Sep 26, 1995 0 comments
Cary Audio Design founder Dennis Had is largely responsible for popularizing single-ended amplifiers in America. Since appearing on the scene in 1989, Cary Audio Design has forged its own niche in the high-end audio industry. I spoke with Dennis Had about how he got started building amplifiers, and why he's so committed to single-ended triode designs.
Robert Harley Sam Tellig Posted: Aug 08, 1995 Published: Aug 08, 1985 0 comments
The $395 NAIT, rated at 20Wpc, is a good-sounding little amp. It's very open and spacious-sounding, but, like the $250 Rotel RA-820BX, sometimes sounds a little hard in the upper registers.
Robert Harley Posted: May 31, 1995 Published: May 31, 1993 0 comments
Choosing a loudspeaker can be difficult. Although it is easy to be seduced by a certain model's special qualities, that exceptional performance in one area is often at the expense of other important characteristics. Go with high-quality minimonitors for their spectacular soundstaging, but give up bass, dynamics, and the feeling of power that only a large, full-range system can provide. If you choose an electrostatic for its delicious midrange transparency, you may have to forgo dynamics, impact, and the ability to play loudly. Pick a full-range dynamic system for its bass and dynamics, but lose that edge of palpability and realism heard from ribbon transducers.
Robert Harley Posted: Apr 24, 1995 Published: Apr 24, 1992 0 comments
For many audiophiles, choosing a power amplifier is a vexing problem. Just how much must one spend to get true high-end sound and a solid build quality? How much power is really needed? And what amplifiers are suitable for driving low-impedance loudspeakers?
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Robert Harley Posted: Mar 29, 1995 0 comments
Time to 'fess up: How many of you actually read the "Measurements" sections of Stereophile's equipment reports and understand what's being measured, and why? I suspect that many readers skip over the technical assessment of the reviewed product and make a dash for the "Conclusion."

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