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CH Precision and Audiovector with TechDAS at High End Munich 2025
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Where Measurements and Performance Meet featuring Andrew Jones
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LATEST ADDITIONS

Katz's Corner: The Great Headphone Shootout - Part 4

This story originally appeared at InnerFidelity.com

On Monday it was raining lions and tigers all day, but four of the faithful eventually arrived, between an hour and two late. Except Mitch Corbin, musician (Suzy Bogguss, David Bromberg, Byron Berline, David Grisman) and project studio owner, arrived early. That was a good thing, because I gave him a solo audition. When the four others arrived, they each had a headphone to check out and shuffle around. Mitch stuck around to learn everyone's reactions and schmooze for the evening, and a wonderful time was had by all.

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Transcriptors Vestigal tonearm

Because this is an unusual and controversial tonearm design, and has had astonishing claims made for its performance by the manufacturer, this in-depth report goes deeper and is longer than is usual for Stereophile. We will return to a reasonable balance of reportage in the next issue.

The manufacturer's initial advertisement for their mis-named "Vestigal" arm (footnote 1) was so laced with nonsense that we will admit to having been skeptical about the product from the outset.

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Wadia Digimaster 2000 Mk.2 digital processors

666wawaWadia2000.1250.jpgDuring my reviews of digital processors in the past year or so, I've made comparisons with the Wadia 2000 Digital Decoding Computer first reviewed by Arnis Balgalvis in Vol.13 No.1. I've felt that, as good as the 2000 is, other processors—many costing less than the 2000's $8500 price tag—are now superior.

However, a visiting Wadia representative looked inside our sample and used the word "ancient" to describe its circuitry in relation to current production. In addition, I was never able to audition the 2000 with a glass fiber-optical interface, standard equipment on Wadia's transports. Similarly, the $2000 Wadia X-32 had undergone a minor circuit revision, including the inclusion of the glass optical input. Consequently, a follow-up of these two excellent processors seemed in order.

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Theta DS Pro Prime D/A processor

In hindsight, it was inevitable that two sophisticated digital audio technologies—software-based digital filters and Bitstream D/A converters—were destined to be married in one product. The software-based D/A converters offered by Krell, Wadia, and Theta all used multi-bit ladder DACs, and Bitstream-based units have previously relied on off-the-shelf digital filters.
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Lazarus Cascade Deluxe preamplifier

The Lazarus, a slim, quite elegant unit finished in black with red and gray legends, lived up to its advance billing: it literally rose from the dead! Out of its coffin (ie, shipping box) and plugged into the wall, it showed no signs of life. Troubleshooting revealed a blown AC mains fuse. That in itself was not a major problem, but what worried me was the root cause of the trouble. Preamplifiers as a rule are not power-hungry, so a current surge at turn-on sufficient to destroy the 250mA slow-blow mains fuse appeared symptomatic of a major circuitry failure.
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