Solid State Power Amp Reviews

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J. Gordon Holt  |  Jul 09, 2019  |  First Published: Sep 01, 1966  |  5 comments
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.
Jonathan Scull  |  Dec 31, 2009  |  First Published: Jan 31, 2002  |  0 comments
When I first laid eyes on the Paravicini M100A monoblock power amplifiers at the Consumer Electronics Show in January 2001, an audiophile in the room squinted at my badge and cried out, "Hey, J-10, these amps have your name written all over 'em!"
Paul Bolin  |  Jul 18, 2004  |  First Published: Jul 01, 2004  |  0 comments
Consider the plight of solid-state muscle amps. Often derided as brutes lacking sophistication or subtlety, particularly by the SET set (ie, fans of single-ended triodes), these powerhouses are taken for granted and often, like Rodney Dangerfield, they get no respect. And once upon a time, the stereotypes were true. Every veteran audiophile has at some time heard an immensely powerful transistor amp that had the soft sonic allure of a sheet of sandpaper, a lumbering oaf of a component with nothing whatsoever to recommend it save for a bulging set of mighty moose muscles.
Art Dudley  |  Sep 13, 2010  |  0 comments
One of my favorite parental duties is dispensing advice that's calculated to make me sound wiser than I am. Among those pearls: Every so often you should change your point of view—your philosophies—just to see if your opinions can stand the strain. In doing so, you may discover a few things that are better than you expected them to be!
Larry Greenhill  |  Dec 03, 2008  |  First Published: Mar 03, 2000  |  0 comments
In his 20,000 Leagues Under the Sea, Jules Verne presents the enigmatic Captain Nemo, commander of the great submarine Nautilus, as powerful, charismatic, and mysterious. On first meeting Nemo, the narrator, M. Aronnax, notes, "I made out his prevailing qualities directly: self-confidence—because his head was well set on his shoulders, and his black eyes looked around with cold assurance; calmness—for his skin, rather pale, showed his coolness of blood; energy—evinced by the rapid contraction of his lofty brows; and courage—because his deep breathing denoted great power of lungs." All in all, "this man was certainly the most admirable specimen I had ever met."
Steven W. Watkinson, J. Gordon Holt, Sam Tellig  |  Aug 10, 2009  |  First Published: Apr 10, 1985  |  0 comments
When I first heard the Eagle 2 at the 1985 Winter CES I knew this amplifier was a winner. I was eager for a chance to get my hands on it, but I also knew that J. Gordon Holt was champing at the bit to do the same. So it came as both a surprise and a delight when ye Gracious Editor gave me first crack at the Eagle 2. I wasn't disappointed; the little Eagle more than lived up to expectations. It's not the best power amplifier I've ever heard, but it's damn good. It is, in fact, better than its big brother, the Eagle 7A, in significant ways; in view of the 2's reasonable price, that's saying a lot.
Herb Reichert  |  Jul 20, 2017  |  41 comments
Have I told you about my objectivist friend—the left-brain audiophile who puts a lot of trust in measurements? He has a high natural intelligence and is an extremely experienced listener, but once he knows a component doesn't measure well, he can never again experience it impartially.

I don't want to embarrass my friend, so in this story I will call him O., for Mr. Objectivity.

Art Dudley  |  Jan 26, 2003  |  0 comments
Modern hi-fi is little more than a way of getting electricity to pretend that it's music. Of course, good source components remain all-important, and even if loudspeakers are imperfect, most of us can find one or two that suit our tastes, if not our rooms and the rest of our gear.
Herb Reichert  |  Sep 20, 2016  |  11 comments
Every time a new audio technology enters the marketplace, a debate begins about its relative merit. That debate never ceases, even decades after the technology first came (and sometimes went). Turntable platters driven by belts vs rims vs idlers vs directly by their motors. Analog vs digital. Tubes vs solid-state. Triodes vs pentodes, Single-ended vs push-pull. Objectivism vs subjectivism. The power and seriousness of each of these debates has splintered our global hobby into diverse tribes, cults, and subcults—and therein lies one of the chief joys of being an audiophile: participating in cult rivalries.
Herb Reichert  |  Jan 22, 2019  |  11 comments
I am obliged to begin this review of First Watt's new stereo power amplifier, the SIT-3, with an explanation of how I believe a power amplifier should be reviewed. Why? Because the 18Wpc SIT-3 is a unique and historically important design that can't be wired up to just any loudspeaker and then critiqued on the basis of its bass power, treble brightness, or midrange acuity.
John Atkinson  |  Nov 29, 2011  |  First Published: Sep 01, 1991  |  2 comments
To judge from the $6400 Mimesis 8, Goldmund walks its own way when it comes to power amplifier design. High-end solid-state amplifiers from US companies like Krell, Mark Levinson, Threshold, and the Jeff Rowland Design Group marry massive power supplies to large numbers of output devices (these often heavily biased to run in class-A), built on chassis of such nonmagnetic materials as aluminum. By contrast, the Mimesis 8 has a magnetic (steel) chassis, and uses a relatively modest power supply, that for each channel based on two main 4700µF reservoir capacitors. The 8 offers just two pairs per channel of complementary output MOSFETs (Hitachi K134/J49). These carry a modest bias current of around 80mA total.
Herb Reichert  |  Dec 03, 2020  |  9 comments
I spent my childhood summers on the Reichert family farm near Turtle Lake, Wisconsin, where, inside the red 1880s barn, my uncle Harold played 78rpm records for his cows.

He used a wind-up Victrola sitting on a shelf directly in front of the cows, just below a framed reproduction of an Alpine landscape painting. He said the music and the mountain scene relaxed the cows, causing them to give better milk. Harold played the same Gustav Mahler symphony every day.

Jason Victor Serinus  |  Nov 26, 2020  |  13 comments
"Oh goody!" thought self, to self: "Another Gryphon component to review." As eloquent and revelatory as that statement may be, there's an even more illuminating backstory.

I had been aware of Denmark-based Gryphon Audio since the advent of the Gryphon Exorcist, a now-discontinued demagnetizer that cost far more than your average break-in CD, but I only began to encounter Gryphon electronics at audio shows a few years ago. While at first they seemed available for review only as a complete package, Jim Austin was able to arrange for me to review the Gryphon Ethos CD player–D/A processor ($39,000).

Thomas J. Norton  |  Aug 04, 2016  |  First Published: Apr 01, 1993  |  4 comments
Boy, do we ever get letters. From readers angry that we review too many expensive products. From readers depressed that we review too many affordable products. From readers bemoaning our digital coverage. From readers asking when we're going to get with the 21st century and stop gushing over analog. From readers wanting more coverage of tube products. From readers wanting more coverage of MOSFET amplifiers designed for high voltage gain on the output stage.
J. Gordon Holt  |  Mar 03, 2010  |  First Published: Jan 03, 1987  |  0 comments
Some time ago in these pages, Anthony H. Cordesman observed rather ungraciously that the whole line of Hafler electronics "could do with reworking." This was interpreted by many readers—including the good people at the David Hafler Company—as meaning that AHC felt the entire Hafler line to be mediocre. In fact, he does not. (He had given a Hafler product a positive review a few issues previously.) Tony's comment, however, did express a sentiment that most of us at Stereophile have shared for some time: a feeling that Hafler products had slipped from the position of sonic preeminence which they enjoyed during the 1960s and '70s to one of mere excellence in a field where only preeminence is acclaimed.

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