Audacious Audio

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Paul Messenger Posted: Sep 14, 2003 0 comments
I reviewed JMlab's Mezzo Utopia loudspeaker in the July 1999 Stereophile (Vol.22 No.7). By chance, the Mezzos had followed a pair of B&W Nautilus 801s into my listening room, and the substitution had proved rather interesting. For all their many fine qualities, the 801, with its 15" bass driver, was distinctly bass-heavy in my room, whereas the 11" drivers of the Mezzos seemed just right in this regard.
Robert Harley Posted: Oct 08, 2009 Published: Jan 08, 1995 0 comments
Whenever anyone marvels at the enormous Genesis II.5 loudspeakers in my house, I'm quick to tell them that the II.5 is the smallest, least expensive loudspeaker made by Genesis Technologies. In fact, the company makes two larger speaker systems, the $33,000 Genesis II and the $70,000 Genesis I (footnote 1).
John Atkinson Posted: Nov 29, 2011 Published: Sep 01, 1991 1 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.
Wes Phillips Posted: Apr 15, 2008 0 comments
No matter how well you think you know the specialized world of high-end audio, there are always new companies, new technologies, and new products you just haven't gotten around to knowing yet.
Art Dudley Posted: Feb 23, 2010 0 comments
Revolver? More like evolver: 80 years after the first electrically driven record players became available, professional and amateur engineers continue to seek new ways to spin LPs with ever-greater steadiness and precision.
Michael Fremer Posted: Oct 31, 2010 0 comments
Ideally, LPs should be played with the pickup stylus remaining tangential (ie, at a 90° angle) to the groove—just as the lacquer from which the LP was ultimately stamped was cut in the first place. Over the years, many attempts have been made to accomplish this. Back in 1877, Thomas A. Edison's original machines tangentially tracked his cylinders, but Emil Berliner's invention of the flat disc put an end to cylinders altogether. In the 1950s, a number of companies marketed so-called "tangential" trackers that used dual arms, based on conventional pivoting arrangements, to change the angle at which the headshell was mounted as it moved across the LP side. In 1963, Marantz introduced the SLT-12, which used a plastic pantograph to move the stylus across the record surface. Garrard's Zero 100 pivoting arm controlled its independently pivoting headshell with a bar that extended from the main bearing of the tonearm.
J. Gordon Holt Posted: Jun 09, 2014 Published: Apr 01, 1980 18 comments
Dr. Alan Hill, president of Plasmatronics Inc., was previously employed by the US Government in laser research. His assignment: To increase the efficiency of lasers so that they could do something more impressive than produce holograms, mend leaky retinal blood vessels, and punch pinholes in steel blocks. Dr. Hill earned his keep, thus advancing laser technology a giant step closer to Star Wars, and then retired from government service to design. . . a loudspeaker?!!!?
Brian Damkroger Posted: Jun 25, 2002 0 comments
"You're a toy junkie!" laughed Trish, my fiancée. "Your life is a search for bigger and better toys!"
Martin Colloms Posted: Jul 20, 2012 Published: Apr 01, 1993 0 comments
Owning a powerful tube amplifier is like owning a classic automobile. Great pleasure may be had, but ownership involves a little more care and maintenance than usual.

Jadis, an audiophile company specializing in all-tube amplifiers and operating out of a small French town, has enjoyed a good reputation for some years, even if some of its models have suffered from the reliability problems that occasionally afflict the largest tube amps. Another problem area is that of power consumption and heat output. In common with class-A amplifiers and high-bias A/B types, including solid-state models, larger tube amps give off substantial heat. The Defy-7's 240W idling consumption may or may not be welcome, according to your location and the season.

Jonathan Scull Posted: Aug 17, 2012 Published: Mar 01, 1996 3 comments
The Jadis Eurythmie speakers ($37,000/pair) arrived in a multitude of oversized boxes. Importer Northstar Leading the Way's Frank Garbie dragged them into our downstairs lobby and broke them open, elevatoring the individual modules up to our door. This happened on one of my office days, but Kathleen pushed me out the door in the morning with a "Don't worry cherie, I can handle it..." She phoned in periodic updates on Garbie's progress. Remember that old Stan Freberg routine? "I got it, I got it...I don't got it!" I arrived home just in time to hook up the amps.
Dick Olsher Posted: Nov 21, 2012 Published: Jan 01, 1993 0 comments
In its comparatively few years in the marketplace, the line-level preamplifier appears to have established commercial parity with its full-function big brother. That this was inevitable was clear as far back as the mid-'80s. The advent of the CD and the proliferation of digital sources argued for a modular approach to preamp design. In such an environment, line-level sources (eg, DAT, CD, even analog tape) deserve special attention.
Larry Greenhill Posted: May 10, 2010 1 comments
JBL was founded 60 years ago, by Jim Lansing. Its history has been amply detailed in the book The JBL Story: 60 Years of Audio Innovation, by the late John Eargle's (JBL Professional, 2006). Although it is primarily known for its pro-audio loudspeakers, the Californian company has offered a steady stream of high-performance domestic loudspeakers to the home market, including the 1971 Paragon, the L100 bookshelf speaker, and the JBL 250Ti floorstander, all of which remained in JBL's catalog for 20 years. In 1990, JBL produced the Project K2 S9500 flagship speaker for the Japanese high-end market. The K2 Project culminated in the $60,000/pair DD55000 Everest system, with its cross-firing asymmetric horns, and the subject of this review, the Synthesis 1400 Array BG, was a spin-off from the K2 project. It features horn-loaded midrange and tweeters to attain a flat response out to a claimed 48kHz.
Dick Olsher Posted: Apr 10, 2014 Published: Feb 01, 1986 0 comments
Very few products exude opulence as do the Rowland amplifiers: the massive chassis, the gold finish, those sculpted handles on the front plate. For some strange reason the amp reminds me of Brutus Beefcake, the golden boy of professional wrestling, upon whom I stumbled one night while flipping through the myriad channels of our cable TV. The visual impact is the same: beefy. And then there's the price: also beefy.
John Atkinson Posted: Aug 10, 2011 2 comments
"Good grief, has he lost his hearing?"

It was the distant past, a time so long ago that the M in MTV stood for Music, and I was watching a David Bowie concert on TV. The svelte singer was wearing what I took to be hearing aids.

Wes Phillips Posted: Jun 12, 2009 0 comments
It ain't the stuff you don't know that trips you up, it's the stuff you know that ain't so. When, at the 2007 CEDIA Expo, I encountered Klipsch's startlingly new Palladium P-39F loudspeaker ($20,000/pair), I was impressed by its looks. Tall (56"), as beautifully contoured as the prow of a canoe, and clad in striking zebra-stripe plywood, the P-39F is possibly the best-looking speaker Klipsch has ever made.

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