John Atkinson

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John Atkinson | Aug 14, 2018 | 38 comments

In a series of recent feature articles for Stereophile, Jim Austin has examined how the controversial MQA codec works: "MQA Tested, Part 1," "MQA Tested Part 2: Into the Fold," "MQA Contextualized," "MQA, DRM, and Other Four-Letter Words," and, most recently, "MQA: Aliasing, B-Splines, Centers of Gravity." I doubt there is a Stereophile reader who is unaware of the fracas associated with MQA, and I have been repeatedly criticized on web forums for describing its underlying concept as "elegant."

But elegant it is, I feel.

Parasound P/FET-900 preamplifier

Solid State Preamp Reviews

John Atkinson | Aug 09, 2018 | First Published: Dec 01, 1988 | 4 comments

Introduced at the 1988 Summer CES, this preamplifier from San Francisco-based Parasound costs $395 and is manufactured in Taiwan. It does away with mechanical switching for source select and tape functions, replacing it with CMOS integrated-circuit switches similar to those used in the British Linn LK1 and Quad 34 and 44 models. Construction is to a good standard and the circuit is carried on two main pcbs and three small ones. Following a signal from the phono inputs, the MM-only RIAA amplifier is based on discrete FETs, its output joining the line-level signals at the switching ICs, these controlled by DC voltages controlled by front-panel pushbuttons.

Roon Labs Nucleus+ music server

Media Server Reviews

John Atkinson | Jul 17, 2018 | 16 comments

Sssssshhhhhh—I forget what music was playing, but as the sound faded away, I could hear a loud hissing coming from the 2011 i7 Mac mini I was operating headless with Roon 1.3 to play files over my network. Checking the mini's shared screen on my MacBook Pro revealed that it was completely unresponsive, so I yanked its AC cord, after which it wouldn't boot up.

This was the second time the Mac mini had died. The first time, in 2015, the local Apple Genius Bar had repaired it. This time, the hipster at the Genius Bar turned me away: "We don't offer repair work on vintage computers."

The Stereo Image

Audiophile Essentials, Features, Historical, Music and Recording Features

John Atkinson | Jul 03, 2018 | First Published: May 01, 1981 | 40 comments

The author demonstrating stereo microphone techniques at an English audio show in 1981.

For most people the terms hi-fi and stereo are synonymous, and yet it is clear that there is still a great deal of confusion over what the word "stereo" actually means. There isn't even a consensus of opinion amongst producers of records, designers of hi-fi equipment, audio critics and music lovers as to the purpose of stereo, and considering that the arguments show no sign of diminishing in intensity, it is instructive to realise that 1981 sees both the 100th anniversary of Clement Ader's first stereo experiments and the 50th anniversary of Alan Blumlein's classic patent on stereo.

Wilson Audio Specialties Alexia Series 2 loudspeaker

Floor Loudspeaker Reviews

John Atkinson | Jun 14, 2018 | 97 comments

One of the benefits of being a reviewer is that, of the large number of products that pass through my listening room, occasionally there are those that I really would like to see take up more permanent residence. One of these was Wilson Audio Specialties' Alexia loudspeaker, which I reviewed in December 2013. "Its clarity, its uncolored, full-range balance, its flexibility in setup and optimization, and most of all its sheer musicality, are, if not unrivaled, rare," I wrote, and concluded: "If I were to retire tomorrow, the Wilson Alexia would be the speaker I would buy to provide the musical accompaniment to that retirement." Nothing I subsequently heard disabused me of that dream, though a couple of other speakers, in particular Vivid Audio's Giya G3 and KEF's Blade Two, joined the Alexia on my bucket list.

Acustik-Lab SR Bolero loudspeaker & Forte woofer

Stand Loudspeaker Reviews

John Atkinson | Jun 07, 2018 | First Published: Apr 01, 1989 | 0 comments

The Acustik-Lab SR Bolero loudspeaker ($1580/pair) debuted at the 1988 SCES in Chicago. I must own up right from the outset that I know nothing about the Swiss SR Trade (Acustik-Lab) company. I do know, however, that Audio Advancements' Hart Huschens was getting an intensely musical sound from their little Bolero speakers, driven by the German Klimo Kent tube amplifiers, at the 1988 Summer CES. I immediately asked for a pair for review; in addition, Mr. Huschens sent along a pair of the matching Bolero Forte woofers ($920/pair).

50 Years an Audiophile: John Atkinson's Life In Audio

AXPONA 2018, Jana Dagdagan

John Atkinson | May 07, 2018 | 22 comments

Photo: Corrina Jones

When JD Events' Liz MiIler invited me to give the keynote speech at the 2018 AXPONA, in Chicago suburb Schaumburg, I was at first not sure what to talk about. But then I realized that not only was 2018 the 32nd anniversary of my joining Stereophile as editor and the 42nd anniversary of my joining Hi-Fi News & Record Review magazine as a lowly editorial assistant, it also marked 50 years since I bought my first audio system!

NAD Masters Series M32 DirectDigital D/A integrated amplifier

Digital Processor Reviews, Integrated Amp Reviews

John Atkinson | Apr 26, 2018 | 3 comments

When I asked NAD for a sample of their Masters Series M50.2 digital music player, which I reviewed in the December 2017 issue, they also sent me a Masters Series M32 DirectDigital integrated amplifier, which had also been introduced at the 2017 Consumer Electronics Show. Costing $3999, the M32 offers a continuous power output of >150W into 8 or 4 ohms. The M32 is the same size as the M50.2, and its smart-looking combination of matte black and gray-anodized aluminum panels make it look identical to the player, except for the black volume-control knob to the right of the front panel's four-color touchscreen, and the ¼" headphone jack at bottom left. It even has the same eight ventilation grilles inset in the black top panel.

JA's Sunday Afternoon at AXPONA

AXPONA 2018

John Atkinson | Apr 20, 2018 | 3 comments

Lunch? A quick donut and a Tall Café Mocha at the Renaissance Hotel's Starbucks and I was ready to hit the remaining floors on the 16th floor. "These are not your father's Ohms!" read the poster in the HHR Exotic Speakers room. Looked like 'em to me, but I was quickly enlightened.

Sunday Morning at AXPONA with John

AXPONA 2018

John Atkinson | Apr 19, 2018 | 3 comments

I hit the ground running Sunday morning, with many rooms to visit but only six hours to do so. I started with the 16th floor suite featuring horn speakers from German company Avantgarde. Pink Floyd's "Another Brick in the wall" was playing on the humongous, four-way Trio XD horn system ($150,000 with four bass horns) and the kick drum did indeed kick me in the chest. (Peak spls, measured with the Studio Six iPhone app, reached 102.3dBC, slow.) Rest of the system included Esoteric source and amplification, Transparent cabling, and an HRS racks. There weren't any colorations that could be laid at the feet of the horns, though voices were projected forward in the soundstage. An extraordinary sound and a great way to start the day.

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John Atkinson

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