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J. Gordon Holt Posted: Dec 10, 2006 Published: Jan 10, 1988 0 comments
The Ortofon MC-2000 may just have been the most impractical cartridge to be unleashed upon the audio community for some years. With a high compliance (20cu) that made it ill-suited for most tonearms, it also had a preposterously low signal output of 50 microvolts, which gave new meaning to the terms hum and noise. Few MC preamps had enough gain to deliver adequate driving voltage to a system, and none of those that did had low enough noise to be usable with the 2000. If the problem wasn't hum, it was hiss; if hiss was acceptably low, there would be too much hum. At least Ortofon had the sense to be aware of the problem and to do something about it, in the form of their T-2000 step-up transformer, which is the only device I ever found that would allow the cartridge to be operated without a constant background of hum or hiss. Despite all this, I have used the MC-2000 as my reference cartridge for the last two years. Why? Because of all the cartridges I've tried, it is by far the most accurate.
J. Gordon Holt Posted: Aug 07, 2005 Published: Feb 07, 1984 0 comments
What, a high-fidelity product from Magnavox? The company that 20 years ago had a reputation for building massive, polished-console boom-boxes and was scornfully referred to in audiophile circles as "Maggotbox"? Some important things have happened to Magnavox since those days. Mainly, it became a subsidiary of the Dutch Philips company, co-developer of the laser video disc and now the audio Compact Disc. The Magnavox CD players are actually made by Philips for US distribution by Magnavox.
J. Gordon Holt Posted: Nov 05, 2014 Published: Dec 01, 1981 4 comments
Editor's Note: On the 52nd anniversary of Stereophile's founding in 1962 by J. Gordon Holt, we are publishing this mea culpa "As We See it" essay from 1981, in which he explains why Vol.4 No.10 was almost six months late in mailing to subscribers. Gordon had relocated from the Philadephia suburbs to Santa Fe, New Mexico in 1978, and as he had explained in the April 1978 issue, the move had not gone well. "Much of the equipment necessary for testing got damaged or destroyed in transit," he wrote, adding that "What had promised to be a superb listening room turned out to have some sticky acoustical idiosyncrasies."
Anthony H. Cordesman J. Gordon Holt Posted: Dec 29, 1995 Published: Dec 29, 1985 0 comments
Several issues back, I mentioned a major "new wave" of power amplifiers coming along: the Adcom 555, the New York Audio Labs transistor-tube hybrids, and the latest Krells, for example. They demonstrate that major audible improvements are still possible in something as well-explored as the power amplifier. Not only that, some of these products demonstrate that superior performance can be combined with relatively low price.
J. Gordon Holt Posted: May 24, 2012 Published: May 01, 1988 0 comments
PSB is a small, Toronto-based manufacturer that has been collaborating with Canada's National Research Council to try and take some of the guesswork, some would say magic, out of loudspeaker design.

The NRC, financed by the Canadian government, does basic research in many technological areas and makes its findings available to any firm wishing to use them. (Most other countries provide or encourage this kind of government/business cooperation. It is against the law in the US, to our great disadvantage.) The NRC's audio division, headed by physicist Dr. Floyd E. Toole, has devoted the last several years to the rather formidable task of defining, and assigning numbers to, the various aspects of loudspeaker performance that affect listeners' subjective assessments of their sound.

J. Gordon Holt Posted: Jun 11, 2015 Published: Sep 01, 1983 2 comments
The Model 34 preamplifier is the component from English manufacturer Quad that will disenchant perfectionists, partly because of its obvious pandering to connoisseurs of old and sometimes lousy-sounding records, and partly because of its sound.

This solid-state design is supplied with a built-in moving-magnet cartridge preamplifier, and a moving-coil preamp is included with it for (easy) installation by the user if desired. (Remove two screws, pull out the old module, plug in the new one and replace the screws. The job takes about 3 minutes.) The MC preamp supplied is for 20 microvolt-output cartridges—contrary to the instruction booklet's statement that the supplied one is the 100µV version. Modules having a rated input level of 100 or 400µV are available as extra-cost options.

J. Gordon Holt Sam Tellig Posted: Aug 01, 1995 Published: Aug 01, 1976 0 comments
This is something we don't see too often: an entirely new approach to power amplifier design. As Quad points out in its literature for the 405, class-A operation of transistors provides the lowest distortion, but drastically limits the amount of power an output transistor can deliver without overheating. (Most transistor amps use class-AB output operation, in which each of a pair of power transistors handles part of each signal cycle and shuts down during the other part. Imperfect synchronism between the two halves causes the familiar "crossover distortion," which accounts for most solid-state sound. In class-A operation, each output transistor draws current though the entirety of each signal cycle, eliminating the crossover transition but doubling the amount of time current is drawn, and thus tending to cause the transistor to heat up more.)
J. Gordon Holt Various Posted: Sep 23, 1995 Published: Sep 23, 1983 0 comments
Warning to Purists: Despite certain qualities about the ESL-63 speakers which you will probably like, Quad equipment is not designed primarily for audiophiles, but for serious-music (call that "classical") listeners who play records more for musical enjoyment than for the sound. Quad's loudspeakers do not reproduce very deep bass and will not play at aurally traumatizing volume levels, and Quad's preamplifier is compromised through the addition of tone controls and filters, all for the purpose of making old, mediocre, and/or worn recordings sound as listenable as possible.
J. Gordon Holt Posted: Dec 17, 2012 Published: May 01, 1963 5 comments
[Note - this article is from the May, 1963 issue of Stereophile]

Many readers have asked why we don't maintain a permanent listing in each issue of The Stereophile of those components that we feel to be the best available, with or without qualification.

So, we are following our readers' suggestion, and will list in each issue groups of components which, at publication time, we feel are ones from which our readers would be well advised to assemble their systems. The list will change from time to time, as new products appear, old ones are obsoleted, or manufacturers change their quality control standards. Components will be added to or dropped from the list without advance notice if we see adequate reason for doing so, but each change in the list will be explained in the magazine at the time the change is made.

J. Gordon Holt Posted: Jul 08, 2015 Published: Apr 01, 1982 1 comments
482rotm.promo250.jpgWilliams: Suites from Star Wars and Close Encounters of the Third Kind
Los Angeles Philharmonic orchestra, Zubin Mehta.
Mobile Fidelity MFSL-C.008 (cassette).

Originally released on London Records, then re-released with better sound on a Mobile Fidelity disc (now a cutout), these are stunning performances of these popular film scores, rivaling the composer's own performances of them. (Composers aren't always the best conductors of their own music, but John Williams is one who is.)

Sonically, this is simply a tour de force: Without a doubt the best commercially made cassette I've ever heard (and I've heard a lot of them). Last month, I expressed some doubt that the high end on any cassette could rival that of a half-speed LP and, indeed, there is a softening at the top on this cassette, when compared with the Mobile Fidelity disc. But the truth of the matter is that the cassette's high end is substantially more natural than that from the disc, which was one of Mobile Fidelity's first and had a slightly steely edge to it.

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