Audacious Audio

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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.
Michael Fremer Posted: Nov 03, 2008 Published: Nov 03, 1999 0 comments
Based in the Czech Republic, KR Enterprise is headed by an occasionally gruff Dr. Riccardo Kron and his American-born wife, Eunice, who operate the company out of a partially abandoned factory that was once part of the state-owned Tesla High Vacuum Technology facility in Prague. The Swiss-funded company is unique in that it manufactures both amplifiers and the tubes that power them. KR's tubes have found favor with other amplifier makers as well—especially the 300BXS, electrically identical to a standard 300B but rated at 25W in class-A.
Fred Kaplan Posted: May 14, 2012 9 comments
Around the turn of the century, a review of the latest hair-raisingly expensive turntable would often begin with a soothing chant that, yes, the RotorGazmoTron XT-35000 is a tad pricey, but it will be the last piece of analog gear you ever buy—so go ahead, take the plunge. A dozen years later, pressing plants are stamping out LPs 'round the clock, and new high-end turntables are rolling off production lines at a respectable clip. So who knows whether today's Cassandras might be equally premature in bewailing the death of the Compact Disc? Which is to say that I can't in good conscience urge you to pay $12,000 for a CD player on the grounds that the medium's about to die, so splurge now while there's still something to splurge on. But if you have the scratch, and the itch for such a product, step right up and let me tell you about the Krell Cipher.
Thomas J. Norton Posted: Nov 08, 2010 Published: Jan 08, 1994 0 comments
Compared to the Krell KSA-300S power amplifier that I also review this month, the KRC preamp's design is, at first glance, almost conventional. But its thoroughly high-end internal design has been equally well thought-out and executed. Its main, four-layer, glass-epoxy circuit board is for the audio signal, DC power, and ground—two layers for the latter are said to minimize noise. The gain stages are pure class-A and complementary. As in the amplifier, the circuit is direct-coupled, with servo circuits controlling the DC offset. The fully regulated power supply is housed in an external chassis. Seven inputs are provided: four single-ended, two balanced, and one single-ended tape. All inputs are line-level except for the optional, single-ended phono stage. (This review will address the line stages; a Follow-Up will discuss the phono stage's operation.) There are three outputs: balanced and single-ended main outputs, and a single-ended tape output.
Anthony H. Cordesman Posted: Oct 23, 2012 Published: Jun 01, 1987 2 comments
One of the most striking aspects of high-end audio is that you can never take any component for granted. Most of the radical change in audio at present takes place in new front-end and speaker technologies, but other components are changing as well—and with at least as much impact in making recorded music seem believable.
Thomas J. Norton Posted: Oct 01, 2010 Published: Jan 01, 1994 0 comments
It was a dark and stormy night. A biting, cold wind cut through Sam's skimpy jacket; ice crystals clung tenaciously to his bushy moustache. As he approached his front door, visions of a toasty-warm, Krell-heated listening room softened the chill. He could feel the glow already; his Krell amp had been on all day, awaiting his return.
Robert Harley Posted: Nov 08, 2010 Published: Jan 08, 1994 0 comments
Remember the early days of CD, when some players were touted as having the revolutionary new "2x-oversampling" digital filters?
J. Gordon Holt Posted: Apr 10, 2014 Published: Dec 01, 1985 5 comments
Those of our readers who are still anti-CD are going to be offended by what I am about to say. Partly because they do not want it to be true, but mainly because it is. I shall utter the heresy anyway: the Compact Disc is, right now, doing more for the cause of high-end audio than anything that has ever come along before!

There, I've said it. Now I shall explain it.

Robert J. Reina Posted: Jul 31, 2014 4 comments
I've long been impressed by the design, construction, and sound of the tubed electronics produced by Vladimir Lamm, but I'd never had a Lamm Industries product in my house. So I asked for a review sample of Lamm's flagship line-stage preamplifier, the LL1 Signature.

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