Michael Fremer

Krell Solo 575 monoblock power amplifier

Michael Fremer | Sep 29, 2015 | 3 comments

Class-A amplifiers have a well-deserved reputation for being power guzzlers that run hot enough to burn fingers. They're inherently inefficient because their output devices conduct full current at all times, and much of that current is dissipated as heat—requiring, in the case of class-A solid-state amplifiers, massive heatsinks. This is why class-A amps tend to produce relatively low power, and tend to be heavy and expensive to buy and run. And these days, energy inefficiency is out of fashion.

Pear Audio Blue Kid Thomas turntable & Cornet 2 tonearm

Tonearm Reviews Turntable Reviews

Michael Fremer | Jul 09, 2015 | First Published: Jan 01, 2015 | 1 comments

Pear Audio Analogue's Peter Mezek can keep you up all night spinning fascinating turntable tales. Had my mind not been numbed by Sunday evening, October 12, the last day of the 2014 Rocky Mountain Audio Fest, I might have insisted that he do just that.

Over dinner that evening he regaled Pear Audio's North American importer, Michael Vamos of Audio Skies, and me with turntable stories dating back to the late 1970s and the Linn Sondek LP12, which, until the early '80s, he distributed in Czechoslovakia. In the mid-'80s, Mezek was involved in the development and distribution of the Rational Audio turntable, designed for Mezek by Jirí Janda (pronounced Yeerzhee Yahnda), who died in 2000. For those of you old enough to remember, Janda, a founder of NAD, designed that company's 5120 turntable; among other features, it had a flat, flexible, plug-in tonearm that you could easily swap out, much as you can with VPI's current models.

Swedish Analog Technologies tonearm

Audacious Audio Tonearm Reviews

Michael Fremer | Jul 09, 2015 | 16 comments

Late in the fall of 1982, Los Angeles turned ugly for me. I'd finished my work on Tron and despite the Academy Award nomination for Best Sound (which went to the mixing team, not the sound supervisor), it was obvious that nothing else was coming my way anytime soon. To earn a living, I had to reinvent myself.

So there I was in Las Vegas, at the 1983 Consumer Electronics Show, schlepping heavy bags filled with press kits, each containing an audio cassette of a dozen radio commercials for a car-stereo store that I'd voiced and produced, along with a résumé-bio and endorsements from clients.

Bel Canto Design Black amplification system

Audacious Audio Digital Processor Reviews Solid State Power Amp Reviews

Michael Fremer | Jun 26, 2015 | 4 comments

Stereophile normally doesn't review audio systems. We review individual components. We've made an exception for the Bel Canto Black system because it deserves to be evaluated as such. It consists of three dense, almost identically sized cases of black-anodized aluminum. One, the ASC1 Asynchronous Stream Controller, is what in a conventional system would be called a "preamplifier." The other two, a pair of MPS1 Mono PowerStreams, would in a conventional system be called "monoblock power amplifiers."

Clearaudio Maestro V2 phono cartridge

Phono Cartridge Reviews

Michael Fremer | May 21, 2015 | 5 comments

Clearaudio began making moving-coil cartridges in the 1970s, and only later got into the moving-magnet business. Moving-magnet cartridge designers must now be mindful that most of today's tonearms are of medium to high mass and that therefore, to be compatible, their MMs must be of low to medium compliance and of higher mass than those of the 1960s and '70s.

Bricasti Design M28 monoblock power amplifier

Audacious Audio Solid State Power Amp Reviews

Michael Fremer | May 01, 2015 | 9 comments

Google Bricasti and all that comes up are sites relating to Bricasti Design products. The name must be fanciful—it sounds Italian, but cofounders Brian Zolner and Casey Dowdell most likely are not, and the company's headquarters are not in Milan or Turin but in Massachusetts.

While its name might be whimsical, nothing else about Bricasti is. As John Marks reported in his review of Bricasti's M1 DAC in the August 2011 issue, both founders previously worked at Lexicon: Dowdell as a DSP-software engineer, Zolner as international sales manager. Bricasti develops its products in conjunction with Aeyee Labs, formed by a group of ex-employees of Madrigal Audio Laboratories and based in New Haven, Connecticut.

Boulder Amplifiers 2110 line preamplifier

Audacious Audio Solid State Preamp Reviews

Michael Fremer | Mar 05, 2015 | 2 comments

Founded in 1984, Boulder Amplifiers is a conservative audio company that goes quietly about its business, choosing not to call attention to itself with marketing flash or acronym-laden features. Change comes slowly to such companies, which is why the just-retired 2010 preamplifier enjoyed a 17-year run.

Simaudio Moon Evolution 820S power supply

Audacious Audio CD Player/Transport Reviews Miscellaneous

Michael Fremer | Nov 13, 2014 | 5 comments

Can a power-supply upgrade produce audible sonic benefits? If you've upgraded the power supply of a phono preamplifier, you probably don't need to be convinced that it does, and those usually cost only a small percentage of the price of the model they power. But to add Simaudio's Moon Evolution 820S power supply ($8000) to the Moon Evolution 650D DAC–CD transport ($9000), which I reviewed in the November 2011 issue, almost doubles the latter's cost—though the 820S can be used to simultaneously power two Moon Evolution components, like the 750D DAC ($14,000), 740P preamplifier ($9500), and 610LP ($7500) and 810LP phono preamplifier ($13,000).

Siltech SAGA power amplifier

Audacious Audio Tube Power Amp Reviews

Michael Fremer | Oct 10, 2014 | 0 comments

Among the biggest buzzes at the January 2013 Consumer Electronics Show, and at Munich's High End Show the following May, was the sound in the room of Siltech BV, a Dutch company best known for its high-end cables. Siltech was demonstrating an innovative new power amplifier, and using it to drive the company's glass-cabineted Arabesque loudspeakers ($90,000/pair). The sound was unmistakably lush yet also remarkably linear, notably dynamic, and seemingly free of electronic artifacts. It sounded like the sound of "nothing"—which was really something!—and so much of a something that it caught the attention of many reviewers. But while there's often controversy and disagreement about a given product's sound quality, this time the enthusiasm seemed unanimous.

Transfiguration Proteus MC phono cartridge

Phono Cartridge Reviews

Michael Fremer | Oct 08, 2014 | 4 comments

I've lost track of how many Transfiguration cartridges I've reviewed over the years. In all that time I've never met their designer, Immutable Music's Seiji Yoshioka, but every year he sends me an exceptionally tasteful holiday greeting card. I've never reciprocated. The truth isn't always pretty.

The Transfiguration cartridges I've reviewed, too, have always conveyed a midrange musical truth that hasn't been flashy or pretty. But it's always been honest and convincing, particularly of the reality of voices. If you said that the Transfigurations lacked character, you wouldn't be wrong—unless you intended it as a criticism.

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Michael Fremer

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