Historical

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J. Gordon Holt, Various  |  Mar 02, 2010  |  First Published: Feb 02, 1988  | 
Now that Sony has bought CBS's records division, and the infamous Copycode bill seems to be dying in Congress, the way may be clearing at last for the US introduction of the new Digital Audio Tape system. This has sparked renewed speculation in the industry about the impact DAT will have on existing formats, particularly the fledgling CD. Some are convinced DAT will kill CD, because of its ability to record as well as play digital recordings. Others believe DAT won't even gain a foothold in the market, for the same reason quadraphonic sound laid an egg back in the '70s: The public can't handle more than one "standard" format. I feel that both views are wrong, and that—as is usually the case with extreme views—the truth lies in between. I believe DAT will catch on in the marketplace, but never in a big way, and certainly not the way CD has. Here's why.
J. Gordon Holt, Alvin Gold  |  Mar 02, 2010  |  First Published: Aug 02, 1987  | 
How can you tell when a politician is lying? His lips move. How can you tell when a recording system is perfect? CBS tries to outlaw it.
J. Gordon Holt  |  Mar 03, 2008  |  First Published: Jan 03, 1977  | 
The Dalhquist DQ-10 loudspeaker has not as yet been formally submitted for review. (The designer tells us he is still working on the low end.) We auditioned a pair at the one local dealer we could find who had the DQ-10s on demo, and were immensely impressed. Obviously, Jon Dahlquist is on to something that other speaker designers have been overlooking, for, despite the multiplicity of driver speakers in the system, the DQ-10 sounds like one big speaker. There is no awareness of crossovers or separate drivers (except at the low end, about which more subsequently), and the overall sound has a degree of focus and coherence that is surpassed only by the Quad full-range electrostatic, which don't go as low at the bottom or as far out at the top.
Bill Sommerwerck  |  Jun 10, 2021  |  First Published: Aug 01, 1987  | 
As ALF would say, "There's more than one way to cook a cat." We've been so overwhelmed with linear pulse-code modulation (PCM) recording, we forget there are other ways to pass from the analog domain to the digital.

One of these is delta modulation. The Greek delta (which in its upper-case, block-letter form, looks like an equilateral triangle) is the mathematical symbol for the difference between two quantities; accordingly, in delta modulation, we record not the absolute value of a signal sample, but the difference between successive samples.

Robert Harley  |  Jul 19, 1990  | 
As a card-carrying member of the Audio Engineering Society and an avid audiophile, I was particularly disturbed by the ideas expressed at the 1990 AES Conference entitled "The Sound of Audio." (A report on the papers presented appears in this month's "Industry Update" column.) The tone of the three-day session in May was set during the Conference Chairman's opening remarks. He said that an AES conference on the sound of audio was "unusual" and "out of the mainstream." Further, he expressed a common underlying attitude among the AES that "audiophile claims" (of musical differences between components) have been "nagging us" and are "an annoyance."
Dick Olsher, J. Gordon Holt, Martin Colloms  |  Jun 07, 2018  |  First Published: Feb 01, 1986  | 
Do-It-Yourself (DIY) loudspeaker projects are quite common in the UK, where details about several excellent designs, including a recent one by Martin Colloms, have been published for public domain consumption. Stateside, the situation is rather grim, where only an occasional subwoofer project (always popular) makes it into the commercial magazines.
J. Gordon Holt  |  Jul 03, 2017  |  First Published: Nov 01, 1962  | 
Stereophile's founder, J. Gordon Holt, photographed toward the end of his life by Steven Stone.

Editor's Note: The forthcoming August 2017 issue of Stereophile is No.451, but 55 years ago this summer, J. Gordon Holt was putting together the first issue of what initially was to be called The Stereophile. Here is Gordon's editorial leader from that issue, published in November 1962.

J. Gordon Holt  |  Dec 31, 2000  |  First Published: Jun 01, 1963  | 
Editor's Introduction: In 1963, Stereophile's founder J. Gordon Holt published attacks on what he saw as the single largest step backward in high-fidelity sound reproduction at that time: RCA's introduction of "Dynagroove" LP records, where the recorded signal was pre-distorted and dynamically equalized to compensate for the poor performance of cheap phonograph players. "Issue 5...revealed most of RCA Victor's 'revolutionary' new system as nothing more than a sophisticated way of bringing higher fi to record buyers who don't care enough about hi-fi to invest in a decent playback system." Ten years later, Gordon wrote that, "As of 1974, the best we can say for Dynagroove is that there is no audible evidence of it on current RCA releases." (These articles were reprinted in June 1992, Vol.15 No,6, as part of Stereophile's 30th-anniversary celebrations.)John Atkinson
J. Gordon Holt  |  Apr 29, 1985  | 
A tradition is anything we do, think, or believe for no better reason than that we have always done it, thought it, or believed it. Most traditions are followed in this mindless and automatic way, and, if questioned, are defended with the argument of, well, that it seems to work. It's time-tested, true-blue and, because so familiar, as comfy as an old slipper. So why rock the boat, throw a wrench in the works, or fix it if it ain't broke.
J. Gordon Holt  |  Feb 12, 2021  |  First Published: Dec 01, 1968  | 
This review of one of the first solid-state preamplifiers was published in 1968. It includes some of JGH's first thoughts on the ongoing subject of "Accuracy vs. Musicality."

Preview, from July 1968 (Vol.2 No.6): Overall sound extremely good, but phono sounds slightly lacking in deep bass, despite impeccable measurements. Scratch filter judged very highly effective, but tone controls felt to be less than ideal be cause of excessively coarse action and marked tendency to affect midrange output. Spring-return Tape Monitor switch probably will not appeal to serious tapesters. This preamp is slated for a full report in the next issue.

J. Gordon Holt  |  Jul 09, 2019  |  First Published: Sep 01, 1966  | 
One by one, the major amplifier manufacturers have acceded to the pressures of the marketplace and introduced "solid-state" models, whether or not these happened to sound as good as their previous tube-type units. Dynaco was one of the last of the hold outs, preferring, according to their advertisements, to wait until they could produce a solid-state unit that was at least as good as their best tube types. Now, they've taken the plunge at last, with their Stereo 120.
Peter Breuninger  |  Jul 02, 2006  |  First Published: Jun 02, 2006  | 
If you spotted an EICO HF-81 at the local Goodwill, you'd think nothing of this plain-Jane integrated amplifier in its nondescript gray case. But if you kept on walking, you would have passed up one of the best-kept audio secrets of all time. The HF-81 hails from hi-fi's pioneer days, before chromed chassis and slick Mac transformers. It isn't ultracool-looking, like early Marantz or McIntosh gear. It doesn't have the nostalgia factor of a Fisher. It's not a supercheap eBay steal like a Stromberg-Carlson or a Heathkit. So what's the deal?
J. Gordon Holt  |  Nov 11, 2020  |  First Published: Sep 01, 1964  | 
These are two of Electro-Voice's "middle-ground" speaker systems, filling the quality (and price) range between the huge Patrician 800 and the diminutive Coronet system.
J. Gordon Holt  |  May 30, 2019  |  First Published: Mar 01, 1963  | 
The 880P is a moving-magnet stereo cartridge for use in transcription arms and the few high-quality record changers now available, such as the Garrard Model A and the Lesa units. It has standard ½" mounting centers, and the pickup requires the 47k ohm termination provided by most preamplifiers. The 8mV output, too, is about ideal for nearly all preamps.
Irving M. Fried  |  Jun 06, 2019  |  First Published: Sep 01, 1962  | 
Ever since the first electrical loudspeaker—a glorified headphone with a horn on it—was outmoded by the balanced-armature cone speaker, paper has been the standard diaphragm material for speakers reproducing low frequencies. The Rice-Kellogg moving-coil transducer replaced the balanced-armature driving system in 1925, but the paper cone remained. And although many improvements have since been made, were no more major changes in loudspeaker design for over 30 years!

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