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Thomas J. Norton Posted: Mar 29, 2012 Published: Nov 01, 1993 0 comments
When a manufacturer sets out to design and build a product, be it in high-end audio or any other field, the final retail price is usually a prime consideration. Parts and assembly are only part of the equation; there also must be enough buyers to amortize the design and development costs. If the product is to be a flagship model—something a company hopes will give a lift to its entire line—engineers will sometimes throw caution to the winds, designing a product without thought to its ultimate price, which is only set after the design is complete. When Madrigal Audio Laboratories set out to design their No.30 Reference Digital Processor, they appear to have chosen exactly this approach.
Thomas J. Norton Posted: Mar 05, 2005 Published: Oct 05, 1993 0 comments
The Canadian audio industry has been mounting a challenge to other high-end manufacturers over the past few years. Ask any audiophile about Canadian audio manufacturers and chances are that he or she will have no trouble rattling off a string of respected names—Classé, Museatex, Sonic Frontiers, Mirage, PSB, Paradigm, Energy. And Bryston.
Thomas J. Norton Posted: Dec 09, 2007 Published: Jun 09, 1993 0 comments
I only found out after beginning my auditioning of Mirage's M-1si loudspeakers that the film 2001, A Space Odyssey was, at practically the same instant, undergoing a brief theatrical revival in major cities around the US. I might have known. Perhaps it was the persistent Strauss melodies that rattled around in my head as I set them up. Perhaps it was the two 5'-tall monoliths that subsequently stared at me as I sat in my listening chair. For whatever reason, the M-1sis were an imposing sight, and the association with out-of-this-world events was not a difficult one to make.
Thomas J. Norton Posted: Apr 18, 1995 Published: Apr 18, 1993 0 comments
Eighty thousand pairs. According to Vandersteen Audio, that's the number of Vandersteen 2s of various generations which have been sold since the loudspeaker—and company—first saw the light of day in 1977. The 2 has been continually refined along the way—a new driver here, a new crossover change there, heavy-duty stands—more changes, in fact, than the occasional changes in model designation would indicate. The 2's main calling card has always been a high perceived value for money. If anything, this calling card has only been enhanced over the years as its price remained remarkably stable while the cost of high-end audio in general was perceived—rightly or wrongly—as being on a dizzying upward spiral.
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Thomas J. Norton Posted: Jan 29, 1993 0 comments
Though we sometimes take for granted that the basic "language" of our measurements is clear to all of our readers, letters to the editor tell us that this is not the case. Periodically, then, we will attempt to explain exactly what our measurements are and what they purport to show. Though those with technical training may find our explanations a bit simplistic, they're aimed at the reader who lacks such experience.
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Thomas J. Norton Posted: Aug 03, 2010 Published: Dec 03, 1992 1 comments
Love 'em or hate 'em, headphones serve a purpose. My first headphones were Kosses, and they were perfect for use in a college dorm. While I've always owned a pair or more over the years, somehow they never became my primary mode of listening, except in situations where using loudspeakers at satisfying levels risked eviction, bodily harm, or both.
Thomas J. Norton Posted: Jun 18, 2015 Published: Jun 01, 1992 1 comments
By now most readers will be familiar with the relatively new tuned-cavity method of low-frequency loading. Such designs have popped up all over the place of late, especially in those little satellite/woofer systems, but KEF can rightly lay claim to generating the design's theoretical basis, as JA described in his review of the KEF R107/2 loudspeaker in Vol.14 No.5 (May 1991). Essentially, the technique consists of loading the rear of a woofer in a conventional fashion—usually a sealed box—but also loading the front of the driver into another enclosure, ducted to the outside. Basically, the design acts as a bandpass filter with its response centered on the port-tuning frequency. The rolloff is smooth and rapid on either side of this frequency, providing a natural low-pass characteristic but thereby virtually mandating a three-way system. If properly designed, this configuration offers a number of theoretical advantages. The radiating element is actually the air in the port, which is low in mass. Low distortion is possible, as is relatively high sensitivity.
Thomas J. Norton Posted: Jul 16, 2015 Published: Jun 01, 1992 0 comments
692.parapromo.jpgParadigm is not a new name to US audiophiles, but the Canadian loudspeaker company hopes to increase awareness of its products with their Monitor series, all members of which incorporate a similar design philosophy and drive-units. Heavy and apparently massively constructed, the top-of-the-line Paradigm Studio Monitors ($1899/pair) are the first commercial loudspeakers to pass my way with provision for tri-wiring: three sets of terminals on the back of the enclosures provide direct links to the crossover segments feeding each separate driver (or drivers, in the case of the low end).

Those crossovers use quasi-Butterworth filters, but there is, by design, little attempt to correct for driver aberrations in the crossover, a technique which Paradigm does not believe produces the best results. The wood-veneered cabinet is solidly constructed, making use of a combination of high-density composite hardboard and MDF—a technique claimed to reduce uncontrolled resonances. MDF cross-bracing is provided, and four heavy-duty spikes are furnished per speaker. (I used Tonecones in my listening for the simple reason that three spikes are self-leveling, four are not.)

Thomas J. Norton Posted: Jul 11, 2014 Published: Mar 01, 1992 0 comments
The letter we received was innocent enough. It asked for our recommendations on laserdisc combination players. You know, the ones that play all of your optical, laser-read entertainment, from CDs to videodiscs. Had the question been a verbal one, our answer would have begun with a long silence. As it was, we could only jot down a few generic references to features, followed by an admission that we had, collectively, no firsthand experience with these all-purpose devices. Only a few members of our staff have any interest in video stuff—monitors, surround-sound, and the like—among them J. Gordon Holt and yours truly.
Thomas J. Norton Posted: Oct 27, 2003 Published: Jan 01, 1992 0 comments
Stardate: 3087.6. Location: somewhere in the 4th quadrant. In response to Captain Kirk's orders, Mr. Sulu throws a few well-chosen levers and sliders—not much different in design and function from those used by Flash Gordon and Captain Video—to redirect the Good Ship Enterprise where no man has boldly gone before. New adventures begin immediately after the bridge crew pick themselves up off the deck and nonchalantly resume their stations.

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