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Hafler Transnova 9500 power amplifier

August 4, 2016, 10:48 am
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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.
Thu, 04/01/1993
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Audio Alchemy DPA-1M monoblock power amplifier

August 30, 2016, 11:04 am
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To those who were into audio in the late 1980s and early '90s, the name Audio Alchemy is a familiar one. I've owned DACs and jitter-reducing devices made by Audio Alchemy and Perpetual Technologies (the first successor to the original AA) and found them to provide excellent performance at modest prices. Indeed, at the time, many in the industry felt that the Audio Alchemy products were underpriced, leaving too little room for profit, and that this led to the company's demise. The new Audio Alchemy—led by its original designer, Peter Madnick, and having on staff other employees from the old AA—is what Madnick describes as a "grown-up" version of the original company, maintaining "the brand's original ethos of superior technology and value." And the prices, while quite reasonable for the performance they seem to offer, appear high enough to allow the new AA to survive.
Tue, 08/30/2016
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First Watt J2 power amplifier

September 20, 2016, 10:18 am
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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.
Tue, 09/20/2016
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SAE 2HP-D power amplifier

September 22, 2016, 9:09 am
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In 1967, in Los Angeles, Morris Kessler, with Ted and Beth Winchester, founded Scientific Audio Electronics (SAE), which enjoyed a successful run of 21 years. In addition to Kessler, Sherwood Electronics cofounder Ed Miller, as well as the legendary James Bongiorno, contributed designs. (If you don't know Bongiorno's résumé, please do a web search.) Some SAE products, particularly their big-metered power amplifiers, became objects of desire for audiophiles on the West Coast and, especially, in Japan.
Thu, 09/22/2016
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Bel Canto e.One Ref600M power amplifier

September 29, 2016, 11:54 am
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Has it really been more than seven years since I reviewed Bel Canto's REF1000M monoblock? According to the Bel Canto website, that model, based on Bang & Olufsen's ICEpower class-D modules, is no longer available. But now, like so many manufacturers, Bel Canto has adopted for its new models the NCore class-D module from Hypex—although the REF600M monoblock ($4990/pair) is not Bel Canto's first product to use it . . .
Thu, 09/29/2016
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PS Audio BHK Signature 300 monoblock power amplifier

February 3, 2016, 1:22 pm
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Was it more surprising that, in 2015, PS Audio would produce a monoblock class-AB power amplifier containing vacuum tubes, or that PS Audio would release a monoblock power amplifier at all? I'm not sure.

In 1974, Paul McGowan and Stan Warren founded the company to produce and market a standalone phono preamplifier, sold directly to consumers for $59.95. From there they naturally progressed to a series of line-level preamplifiers. Toward the end of the '70s, PS Audio produced the Model One, the company's first power amplifier. In the mid-1980s came the high-performance, moderately priced ($495) 4.5 and 4.6 preamplifiers. I reviewed—and bought—a 4.6 a few years after I began reviewing gear for The Abso!ute Sound; Tom Norton reviewed the 4.6 for the September 1988 issue of Stereophile.

Wed, 02/03/2016
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Mark Levinson No.29 power amplifier

November 10, 2016, 4:42 pm
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I still remember reading about my first Mark Levinson product 14 or 15 years ago. It was a preamp. The model number escapes me, but it sold for over $2000. It was soon followed by the JC-2, designed by John Curl, which was a bit less pricey but still astonishingly expensive for a mid-'70s preamp. We've come a long way since then. The man, Mark Levinson, left the company that bore his name in the early 1980s and founded a new company, Cello. The company Mark Levinson became the core of Madrigal. It is a mark of their continued dedication to uncompromising high-end products that their bread-and-butter line remains the high-priced Mark Levinsons. They no longer have the Rolls-Royce of the audio market to themselves (in their early years, they made the never exactly inexpensive Audio Research products—ARC was certainly a contender for the same title—look like bargains), but they are certainly a leading player.
Mon, 04/01/1991
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Boulder Amplifiers 2150 monoblock power amplifier

January 24, 2017, 11:44 am
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"I'm a recording engineer, so I value accuracy," said a panelist in a discussion—titled "How to Read Between the Lines of Audio Advertising"—at last October's Rocky Mountain Audio Fest. I, too, was on the panel, which was moderated by Brent Butterworth, a writer for the SoundStage! Network of online audio magazines.

"Accuracy is overrated," I interjected from the other end of the dais. "Accurate to what? To your sonic tastes? To what you hear on your preferred loudspeakers? Other than one's personal preferences, I'm not sure the term accuracy has much meaning."

Tue, 01/24/2017
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Music in the Round #83: ATI & Monoprice 3-Channel Amplifiers

March 2, 2017, 9:46 am
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The power-amp saga continues. For months, I've been plowing through the market, searching for something to drive my three front speakers. (I use a two-channel amp for the surrounds.) It can be a three-channel amp or three monoblocks—it just has to sound great with my speakers, and be light enough that I can lift it by myself when I need to rearrange my system. I'd finally settled on Classé's Sigma Monos for their transparency, and because I can manage their weight, one at a time. At the CEDIA Expo in September 2016, I saw two more candidates worthy of consideration. Review samples of both arrived here almost simultaneously.
Thu, 03/02/2017
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AVM Ovation MA8.2 monoblock power amplifier

March 30, 2017, 4:45 pm
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I've known Peder Bäckman, international sales director for the German firm Audio Video Manufaktur GmbH (AVM), for many years, ever since he worked with Electrocompaniet. When I told him that I was looking for products to review in the reference system in my new 20' by 16' by 9' music room, he invited me to browse AVM's large catalog and see what tickled my fancy. In consultation with John Atkinson, it became clear that AVM's largest, most powerful monoblock amplifier, the Ovation MA8.2 ($29,990/pair), seemed a good fit.
Thu, 03/30/2017
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Crown DC-300 power amplifier

April 12, 2017, 1:35 pm
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If we had been asked some time ago to describe our "dream amplifier," chances are we would have described the Crown DC-300. Designed originally as an industrial device, it was made available as an audio amplifier rather as an afterthought. But if that roundabout approach is necessary to produce an audio amplifier like this, so be it.
Mon, 06/01/1970
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Jeff Rowland Design Group Model 1 power amplifier

May 14, 2016, 10:57 am
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Michael, who might be termed our typical audiophile (if anything in Santa Fe can be termed "typical"), may have found his digital processor, but he's still in a quandary about choosing the right power amp to drive his new loudspeakers. He has listened to a number of them over the past few months, and has been unable to find one which satisfies him in every way. I suspect he has a lot of company. The thorny problems of room acoustics and placement aside, loudspeakers are easier. Their signatures are pronounced and generate strong feelings one way or another; it's usually no problem to narrow down one's choices in this category.
Mon, 04/01/1991
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Naim NAC 62 preamplifier & NAP 140 power amplifier

June 9, 2016, 4:06 pm
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Back in 1970, one Julian Vereker decided to record some musician friends in his house in Salisbury, England. Using standard, off-the-shelf electronics and tape machines, he was startled at how dissimilar the recording was to the sound of live instruments. As a result, he started designing his own recording electronics, including a recording console, of which he sold several to local broadcast facilities.
Fri, 02/01/1991
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SAE Mark II Power Amplifier

August 2, 2016, 1:36 pm
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It takes a lot of courage for a new company to launch an amplifier like this at time when most manufacturers are courting the mass market with budget-priced receivers, and Marantz is pretty firmly established as the Rolls Royce of audio electronics.

The SAE Mark II has, nominally, the same performance specs as the Dynaco Stereo 120, yet it costs twice as much as a factory-wired Stereo 120, and about 2½ times as much as a Stereo 120 kit. Is the SAE really worth the difference? And how does it compare with some other $400 amplifiers? Well, it all depends.

Mon, 07/01/1968
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Hafler Transnova 9500 power amplifier

August 4, 2016, 10:48 am
$
0
0
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.
Thu, 04/01/1993
↧
Search

Audio Alchemy DPA-1M monoblock power amplifier

August 30, 2016, 11:04 am
$
0
0
To those who were into audio in the late 1980s and early '90s, the name Audio Alchemy is a familiar one. I've owned DACs and jitter-reducing devices made by Audio Alchemy and Perpetual Technologies (the first successor to the original AA) and found them to provide excellent performance at modest prices. Indeed, at the time, many in the industry felt that the Audio Alchemy products were underpriced, leaving too little room for profit, and that this led to the company's demise. The new Audio Alchemy—led by its original designer, Peter Madnick, and having on staff other employees from the old AA—is what Madnick describes as a "grown-up" version of the original company, maintaining "the brand's original ethos of superior technology and value." And the prices, while quite reasonable for the performance they seem to offer, appear high enough to allow the new AA to survive.
Tue, 08/30/2016
↧

First Watt J2 power amplifier

September 20, 2016, 10:18 am
$
0
0
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.
Tue, 09/20/2016
↧
↧

SAE 2HP-D power amplifier

September 22, 2016, 9:09 am
$
0
0
In 1967, in Los Angeles, Morris Kessler, with Ted and Beth Winchester, founded Scientific Audio Electronics (SAE), which enjoyed a successful run of 21 years. In addition to Kessler, Sherwood Electronics cofounder Ed Miller, as well as the legendary James Bongiorno, contributed designs. (If you don't know Bongiorno's résumé, please do a web search.) Some SAE products, particularly their big-metered power amplifiers, became objects of desire for audiophiles on the West Coast and, especially, in Japan.
Thu, 09/22/2016
↧

Bel Canto e.One Ref600M power amplifier

September 29, 2016, 11:54 am
$
0
0
Has it really been more than seven years since I reviewed Bel Canto's REF1000M monoblock? According to the Bel Canto website, that model, based on Bang & Olufsen's ICEpower class-D modules, is no longer available. But now, like so many manufacturers, Bel Canto has adopted for its new models the NCore class-D module from Hypex—although the REF600M monoblock ($4990/pair) is not Bel Canto's first product to use it . . .
Thu, 09/29/2016
↧

Mark Levinson No.29 power amplifier

November 10, 2016, 4:42 pm
$
0
0
I still remember reading about my first Mark Levinson product 14 or 15 years ago. It was a preamp. The model number escapes me, but it sold for over $2000. It was soon followed by the JC-2, designed by John Curl, which was a bit less pricey but still astonishingly expensive for a mid-'70s preamp. We've come a long way since then. The man, Mark Levinson, left the company that bore his name in the early 1980s and founded a new company, Cello. The company Mark Levinson became the core of Madrigal. It is a mark of their continued dedication to uncompromising high-end products that their bread-and-butter line remains the high-priced Mark Levinsons. They no longer have the Rolls-Royce of the audio market to themselves (in their early years, they made the never exactly inexpensive Audio Research products—ARC was certainly a contender for the same title—look like bargains), but they are certainly a leading player.
Mon, 04/01/1991
↧
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