Audacious Audio

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Robert Harley  |  Jun 08, 2009  |  First Published: Dec 08, 1990  |  0 comments
The whole idea that different CD transports have different sonic characteristics when driving the same digital-to-analog converter is a vexing problem. It is easy to prove that even the cheapest CD players recover the data stored on most CDs with bit-for-bit accuracy, thus disproving the widespread and erroneous belief that errors in the digital code are commonplace and affect presentation aspects such as imaging, soundstage depth, textural liquidity, etc (footnote 1). If the datastream driving the digital converter is comprised of the same sequence of ones and zeros, regardless of the transport, what other factors could account for the sonic differences between CD drives reported by many listeners?
Michael Fremer  |  Oct 22, 2021  |  25 comments
You've got your 2001: A Space Odyssey speaker, which of course is a tall, black, featureless monolith. Then there's your wooden "Who's buried inside?" speaker, your "R-I-C-O-L-A" speaker, your enema bag or double-inverted enema bag speaker, your menacing hooded-Klansman speaker, your "looks like a robot, praying mantis, or Transformer" speaker (mine), and your "Does it leave a slime trail?" speaker (looks like a snail). You've got your "Is that a room divider?" speaker, your "looks like you stepped on a duck's head" speaker, and your "whipped cream dollop suspended in time" speaker.
John Atkinson  |  Jul 19, 2010  |  0 comments
Considering that the crates they're shipped in are each as large as a Manhattan studio apartment, once they'd been set up in my listening room, Focal's Maestro Utopia III speakers weren't as visually overpowering as I'd anticipated. The elegant dark-gloss front baffles, the gloss-gray side panels, and the fact that the speaker's three subenclosures are vertically arrayed so that the top, midrange section is angled down, significantly reduced their apparent size.
Jack English  |  Mar 29, 2012  |  First Published: May 01, 1996  |  0 comments
When you wish upon a star,
Makes no difference who you are;
Anything your heart desires,
Will come to you
.—Jiminy Cricket

12-21-92-17-52-46. Big deal, another $100,000 lottery winner. Where's Jean-Phillipe? Probably off getting us something to drink. Who can blame him? I can't believe people sit around dreaming and waiting to hear all these winning numbers. J-P, you out there?

Young, good-looking, bright—J-P had a lot going for him. He certainly didn't need to sit here listening to winning lottery numbers. Ah, there you are. What are you mumbling about?

"12-21-92-17-52-46. I've won! I've won! I've won!" He shouted over and over, almost crushing me in a bear hug.

My oh my, J-P had really won a big one. And what was it he'd been dreaming about while buying all those tickets every payday for the last three years? Speakers! He'd wanted to own the best loudspeakers in the world, and now he could.

Paul Messenger  |  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.
John Atkinson  |  Sep 17, 2020  |  22 comments
Although it was founded by ex-Siemens loudspeaker engineer Oliver Göbel in 2003, I am embarrassed to admit that I had never heard of Göbel High End until I visited the room hosted by Florida retailer Bending Wave at the 2019 AXPONA. There, I listened to the German manufacturer's ginormous $220,000/pair Divin Noblesse loudspeakers, which were making their US debut. I was impressed by what I heard. I was interested, therefore, to learn that Göbel was introducing a smaller Divin model, the Marquis, which would not be too large for my listening room and would be priced at $80,000/pair.
Robert Harley  |  Oct 08, 2009  |  First 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  |  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  |  Nov 28, 2017  |  8 comments
I spend my days comparing cartridges and speaker stands, arguing about imaging and microphone placement, speculating about DAC filters, and lately, sometimes, very secretly listening to headphones connected not to commercially available headphone amplifiers but directly to the outputs of basic tubed and solid-state power amplifiers. No person in his right mind would or should try this—it's too easy to destroy a pair of delicate, expensive headphones. But for me, it's been worth the risk.
Michael Fremer  |  Aug 17, 2022  |  28 comments
Some time ago, an amplifier in for review caught fire when first powered up. I don't mean it smoked and sizzled and shut down—I mean that actual flames shot through the top grate. Fortunately, I was able to grab a kitchen fire extinguisher and douse the thing with foam. (Sorry, this was decades ago, and I don't remember the brand, but I think the company had a fire sale and was shut down.)
Michael Fremer  |  Jun 17, 2022  |  108 comments
Are well-heeled audiophiles ready for a knob-free future? Gryphon Audio Designs thinks so. In contrast to Gryphon's volume knob–dominated Pandora preamplifier, the Danish company's new Commander offers nothing on its bold front panel to grab or turn.

Instead, there's a large, extra-thick, triangular glass protuberance that extends dramatically below the chassis's vertical dimension. That's where you'll find an "on/off" button, the main unit's only physical switch.

Jason Victor Serinus  |  Nov 26, 2020  |  15 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).

Jason Victor Serinus  |  Dec 19, 2019  |  45 comments
What kind of creature is this? Gryphon Audio Designs' new Ethos ($39,000)—pronounced EE-toss by its Danish manufacturers—is marketed as a CD player and digital-to-analog converter. It's decidedly au courant in that it includes two 32-bit/768kHz ES9038PRO Sabre DAC chips—one for each channel—with each holding eight individual DAC chips; offers optional upsampling to either 24/384 PCM or DSD128; and decodes up to 32/384 PCM and quadruple DSD (DSD512) via its USB input, or up to 24/192 (and no DSD) via AES/EBU or S/PDIF.
Wes Phillips  |  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  |  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.

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