John Atkinson
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Mancave Metal Speakers at Axpona
AXPONA 2013
John Atkinson • Mar 09, 2013 • 5 comments
Greeting Showgoers at the Chicago Axpona was this steampunk-style MP.III speaker from Mancave Metal. With its glowing red LEDs around the tweeter and cut and welded steel construction, the MP.III is unlike any other speaker I've encountered. How did it sound? No idea, as it was on passive display.

Axpona runs today and tomorrow at the Doubletree by Hilton Hotel in Chicago suburb Rosemont (5460 North River Road) near O'Hare Airport.

A Reviewing Life
As We See It
John Atkinson • Feb 26, 2013 • Published: Mar 01, 2013 • 8 comments
It's been 30 years since I began work on my very first equipment report, of the Goldbug Brier moving-coil phono cartridge, for Hi-Fi News & Record Review. That review appeared in the British magazine's May 1983 issue; I have lost track of how many equipment reviews I've written since then, but my review of the Vandersteen Treo loudspeaker in this issue is at least my 500th.
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Vandersteen Audio Treo loudspeaker
Floor Loudspeaker Reviews
John Atkinson • Feb 26, 2013 • Published: Mar 01, 2013 • 7 comments
In one sense, Richard Vandersteen has been the victim of his own success. His Model 2 loudspeaker (footnote 1), introduced at the 1977 Consumer Electronics Show, put his company on the map but proved a hard product to improve on. Based on the idea that the HF and midrange drive-units should have the minimal baffle area in their acoustic vicinity, both to optimize lateral dispersion and to eliminate the effects of diffraction from the baffle edges, the Model 2 also used a combination of a sloped-back driver array and first-order crossover filters to give a time-coincident wavefront launch.
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Arcam FMJ D33 D/A processor
Digital Processor Reviews
John Atkinson • Feb 06, 2013 • 4 comments
As I wrote in my review of the Bricasti M1 D/A processor in February 2012, it seemed a good idea in the late 1980s: upgrade the performance of your CD player by feeding its digital output to an outboard digital/analog processor. British manufacturer Arcam, one of the first companies to see the opportunities in this strategy, introduced their Black Box in 1988. When I reviewed the Black Box in February 1989, I found that its low-level linearity was among the best I had measured at that time for a product featuring the 16-bit Philips TDA1541 DAC chip set. However, that linearity still wasn't very good in absolute terms. Back then, it required heroic and expensive engineering to obtain D/A performance that did justice to the 16-bit CD. These days, however, the semiconductor foundries produce a plethora of relatively inexpensive D/A processor chips that both handle 16-bit data with ease and wrest full resolution from 24-bit data.
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BSG qøl Signal Completion Stage
Miscellaneous
John Atkinson • Feb 04, 2013 • 8 comments
I walked into BSG's room at the Newport Beach Show in June 2012 unsure of what I was going to hear. I was well aware of this new company's qøl Signal Completion Stage ($3995), but didn't know if it was a genuine step forward in audio reproduction, or just another example of the hokum found on the fringes of our hobby. I took my listening seat, and BSG's CEO Larry Kay, cofounder and erstwhile publisher of Fi magazine, performed A/B comparisons with the qøl's processing in and out of circuit.
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"This is exciting," says Thiel's new CEO, Bill Thomas
Interviews, News
John Atkinson • Jan 27, 2013 • 4 comments
Bill Thomas at CES with the ground-breaking coaxial HF/MF unit designed by Jim Thiel (Photo: John Atkinson)

We reported last November that Thiel Audio Products, the Kentucky-based speaker manufacturer founded by Kathy Gornik and the late Jim Thiel, had been had been acquired by a private equity firm based in Nashville, TN, and that Gornik was no longer with the company. At the 2013 Consumer Electronics Show, held January 8–11 in Las Vegas, the Thiel display at the Sands Convention Center was packed. I met up with Thiel's new CEO, 55-year old Bill Thomas, and asked him what had led him and his two partners to acquire the company.

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Talon Phoenix Goes Both Ways
CES 2013
John Atkinson • Jan 17, 2013 • 0 comments
The Phoenix, a large, attractive-looking three-way design with ceramic-diaphragm drivers, can be had in passive form for $75,000/pair or in active form for $95,000/pair. The active form includes a 500W class-D amplifier for the woofers and incorporates the Rives PARC low-frequency equalization. Demmed with VAC amplification driving the HF and MF sections, the active Phoenixes worked well on Charles Mingus Mingus, Mingus, Mingus, Mingus album, the low end sounding more evenly balanced than in most other rooms.
MartinLogan's CLX
CES 2013
John Atkinson • Jan 17, 2013 • 0 comments
Listening to the big MartinLogan CLX full-range electrostatics ($25,495/pair) at the June 2012 Newport Beach Show had been a high point for me, though they were being demmed in too large a room. At CES, the CLXes were in a smaller room, and were being supported by a pair of MartinLogan's Balanced Force 210 subwoofers. Amplification was by Cello and the source included Berkeley's Alpha DAC. I sat down to listen to a 176.4kHz file of Respighi orchestral music from Referenece Recordings, but sadly it was not possible to form much of an impression, due to the conversations competing with the music.
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Estelon X-Diamond
CES 2013
John Atkinson • Jan 17, 2013 • 1 comments
I had auditioned the Estelon X-Diamond speakers ($65,000/pair) at the 2012 Newport Beach Show, but the room there was not allowing the speakers to sound at their best. Driven by top-of-the-line, class-A Vitus amplification, these speakers, which use the 1.2" Accuton inverted diamond-dome tweeter, along with a 7" Accuton ceramic-cone midrange unit and an 11" Accuton ceramic-cone woofer, sounded much better at CES, even though the dem room was one of the infamous split-level rooms at the Venetian.
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A Less-Expensive Django from Marten
CES 2013
John Atkinson • Jan 17, 2013 • 1 comments
Erick Lichte was very impressed with the Marten Django XL loudspeaker when he reviewed it last September. The three-way Django costs $15,000/pair, but CES saw the debut of the two-way Django L, at a more affordable $9000/pair. A 1" Accuton tweeter is married to two 8" woofers and the sound on Peter Gabriel's "Don't Give Up" was much better-integrated than I would have expected.
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