Audacious Audio

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Bowers & Wilkins 802 D3 Diamond loudspeaker

"This is getting to be a habit."

That's how I ended the first paragraph of my review of Bowers & Wilkins' 800 Diamond speaker, in the May 2011 issue; apparently, Stereophile's habit of reviewing models from B&W's 800 series remains unbroken.

Later in that review, I said that "The 800 Diamond doesn't look radically different from its predecessors." That doesn't apply to the 802 D3 Diamond ($22,000/pair). It's still a three-way system with tapered-tube high-frequency and midrange enclosures, stacked and nestled into a generous bass enclosure that's vented on the bottom into the space between it and its plinth.

Marten Coltrane 3 loudspeaker

Marten is a small Swedish loudspeaker manufacturer with great aspirations, some of which the company has largely met. Leif Mårten Olofsson founded Marten and designs the speakers, while brother Jörgen Olofsson runs the business as CEO—a division of creative and administrative labors similar to the working relationship between David and Norman Chesky, the founders of Chesky Records and HDtracks.

Luxman EQ-500 phono preamplifier

I still remember how difficult it was for me to transition from mass-market to high-end audio. The former, for all its flaws, gave me things to do: switches to flip, buttons to push, knobs to turn, meters to watch. I was in control—and if my attention happened to stray from the music or the liner notes, I still had something to keep me busy. By contrast, the first perfectionist-quality amplifier I bought—an Amber Series 70—was an oblong box with an on/off switch. Where's the fun in that?

Vandersteen Model Seven Mk.II loudspeaker & M7-HPA monoblock power amplifier

Driving the Model Sevens at the 2014 CES were Vandersteen's then-new M7-HPA monoblocks, which provide a high-pass–filtered output (above 100Hz) to the upper-frequency drive-units of the Model Seven. At the time, I made a note to myself that I would like one day to try these amplifiers with the Sevens in my own room. That opportunity came later rather than sooner, after Vandersteen had updated the Model Seven to Mk.II status.

Aurender N10 music server

When I reviewed the Antipodes DX Reference in October 2015, that $7500 media server made musical mincemeat of my regular computer audio setup: a headless 2.7GHz i7 Mac mini fitted with 8GB of RAM and Pure Music and Audirvana apps. Coincident with the publication of that review, Aurender launched its N10 music server ($7999) at the 2015 Rocky Mountain Audio Fest. I had been impressed with Aurender's Flow USB headphone amplifier when I reviewed it in June 2015, so I asked for an N10.

Analog #246: AudioQuest Niagara 7000 Low-Z Power Noise-Dissipation System

Are you old enough to remember when the wires connecting speakers to even the most expensive and sophisticated electronics were 16-gauge, multistrand lamp cord, and the terminals on speakers and amplifiers were just little screws? Sometimes those screws wouldn't even secure all of the wires' strands, but as long as loose strands from one screw didn't touch loose strands from the other, it was good enough . . . and back against the wall went your bookshelf speakers.

Oracle Delphi Mk.VI Second Generation turntable

The stats are impressive: Quebec's Oracle Audio Technologies, formerly Trans Audio (footnote 1), has been in business for 37 years, during which they've sold nearly 11,000 Oracle Delphi turntables. That's not bad for a perfectionist turntable—and especially not bad for a perfectionist turntable whose first and most estimable competitor, the Linn Sondek LP12, was well established by the time of the Delphi's debut, in 1979.

Balanced Audio Technology Rex II line preamplifier

A quarter-century ago, when we were just getting into wine, my wife and I took a trip to Napa Valley. At one premium vineyard, we took a taste from the $20 bottle, then, for the hell of it, a taste from the $50 bottle. The first taste was nice; the second was alarming—an explosion of flavors, a gateway to sensory delights that we hadn't known could be had from a barrel of crushed grapes. We wobbled away, concerned that high-end wine might be a dangerous hobby.

Audio Note CDT One/II CD transport & DAC 2.1x Signature D/A processor

I don't know much about horses, but I've been given to understand that dead ones don't respond to even the severest beating. In light of that, I'll make only this brief statement—Even with the best playback gear of my experience, I don't derive as much pleasure from CDs as I do from LPs.—and move on to a simpler truth: Regardless of what I think, CD players are still a necessity for most music-loving audiophiles.

Accuphase DP-90 CD transport & DC-91 D/A processor

In 1995, as the compact disc enters its second decade of commercial reality, it's fair to say that the associated hardware has come of age, exorcising at last the digital gremlins of time-base jitter and quantization noise. Digital-processor maturation is particularly evident in the design of the all-critical D/A processor. The simplistic digital circuitry of yesterday has given way to considerable design sophistication that deals directly with jitter and low-level nonlinearities.
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