High End Munich: Audio Reference "Most Exclusive System Ever" with Wilson and D'Agostino
CH Precision and Audiovector with TechDAS at High End Munich 2025
Sponsored: Pulsar 121
KLH Model 7 Loudspeaker Debuts at High End Munich 2025
Marantz Grand Horizon Wireless Speaker at Audio Advice Live 2025
Where Measurements and Performance Meet featuring Andrew Jones
Sponsored: Symphonia
Silbatone's Western Electric System at High End Munich 2025
Sponsored: Symphonia Colors
JL Audio Subwoofer Demo and Deep Dive at Audio Advice Live 2025

LATEST ADDITIONS

Terry Riley's Music at its Most Sensational

It is more than fair to say that In C (1964), a repetitive composition of unpredictable length by California native Terry Riley (b. 1935), forever changed the course of modern music. If you want to have a fabulous time learning why, listen to In C on Four Four Three: The Music of Terry Riley. The new DSD-native recording from Channel Classics by the Ragazze String Quartet, percussion quartet Slagwerk Den Haag, and genre-redefining drumkit/French horn/guitar trio Kapok, can be purchased in either CD format or as a stereo or multichannel download in resolutions up to Quad DSD. This collective achievement is so superbly recorded by Jared Sacks, and so colorful, that it will likely send your head spinning into another dimension.
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September Song

"The days grow short when you reach September," sang Frank Sinatra and Tony Bennett, but not so short that you won't have time to enjoy our September issue, which hits newsstands, mailboxes, and tablets this week. Technologies vintage and modern are featured, with Ken Micallef's review of the Music Hall MMF-7.3 turntable and Jim Austin's interview and MQA's Spencer Chrislu taking pride of place on the cover. And there is more on MQA inside, with John Atkinson writing about his listening comparisons between MQA-encoded files and the hi-rez PCM originals.
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MQA: Questions and Answers

Author's Note: We are grateful to Stereophile for the opportunity to address some frequently repeated technical questions appearing in comments to articles. Recently this has included misunderstandings about noise calculation, dynamic range, resolution, definition, music spectra, channel capacity, lossless processing and temporal aspects of digital channels.

To simplify this document we have grouped the topics and set them as questions and answers either as response, tutorial or axiom. Some months ago we published a comprehensive Q&A for an online forum and to avoid repetition we occasionally refer to topics already discussed there (see [37] in the "References" sidebar).—J. Robert Stuart

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Grand Prix Turntable Debuts in Arizona Tomorrow, Saturday

At their monthly listening party Esoteric Audio (111 West Monroe Street, Suite 100, Phoenix, AZ) will be featuring the local premier of the Grand Prix Audio Monaco v2.0 table. The official listening party is on Saturday August 13 at 3:00pm, but the table will be demonstrated Friday afternoon, August 12, and all day Saturday. Grand Prix Audio's VP of Sales and Marketing, Jesse Luna, will be on hand Friday and Saturday to show off the Monaco table as well as discuss current and future product offerings. More information is available at www.esotericaudioaz.com/upcoming-events.html.
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In Praise of Imported LPs

By the time you read this in late 1963 (probably a month after it is written, judging by the speed with which the US mails speed second-class matter on its appointed rounds), Capitol Records will have announced the first bit of really good news for the high-fidelity perfectionist in years: the release of imported disc pressings—taped, cut, and stamped in Europe. London has been importing for years—all the Londons you buy are pressed by Decca in England. But this will be the first opportunity we will have of sampling the products of some of London's overseas competitors.
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Same As It Ever Was

The year was 2116, and the Earth was finally great again.

War, poverty, global warming, starvation, racial inequality—these, among many others, were all trivial, long overcome matters of the past.

Generation ZZZZers glided around in auto-piloted, eco-friendly, space/time ships. They communicated with each other via holographic telekinetic mind messages. (Though there was always the occasional hippie, of course, who'd pull out a vintage, non-functioning wePhone 2000 or whatever technological dinosaur was making a comeback these days. Lame, if you ask me.)

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World's Best Headphone: The Focal Utopia

This story originally appeared at InnerFidelity.com

And then, at 21 second in, right after she sings, "When God gave out rhythm...", two chords are gently played on the piano. My goodness, I've never heard such sensitively percussive, harmonically rich, filled with weight and substance sound from a piano. Most astonishing is the interplay of tones, harmonics, and intermodulation making the whole of the chord a rich textured wave of sound. I was transfixed until track's end.

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Hafler Transnova 9500 power amplifier

Boy, do we ever get letters. From readers angry that we review too many expensive products. From readers depressed that we review too many affordable products. From readers bemoaning our digital coverage. From readers asking when we're going to get with the 21st century and stop gushing over analog. From readers wanting more coverage of tube products. From readers wanting more coverage of MOSFET amplifiers designed for high voltage gain on the output stage.
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