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LATEST ADDITIONS

Credibility Gap

To audiophiles who are aware that their household line voltage changes under varying loads, and have observed the absolutely fantastic differences in the sound of their system when the next-door neighbor turns on Junior's night light, it may come as a surprise to learn that there are folks out there who think you're full of crap. That's right, Virginia, they don't think you can really hear all those things you pretend to hear. (You are only pretending, aren't you?) They can't hear all those things, so how can you? Well, sometimes they can. They'll even admit that. But those tiny little differences are so trivial that they don't matter no more than a fruitfly's fart. That's the word in scientific circles these days. Or haven't you been following the "establishment" audio press lately?
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Absolute Phase: Fact or Fallacy?

Natural sounds produce different waveshapes during their positive and negative phases, and playback-system polarity reversal often changes the reproduced sound. Does this mean our ears are phase-responsive, or is there something else here we've been overlooking?

There has been much discussion recently among perfectionists about the importance of what is called "absolute phase" in sound reproduction. Basically, the contention has been that, since many musical sounds are asymmetrical (having different waveforms during positive and negative phases), it is important that a system make the proper distinctions between positive (compression) and negative (rarefaction) phases in playback.

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Recording of August 1983: West Side Story

883rotmwest.250.jpgAndre Previn and His Pals: West Side Story
Andre Previn, piano; Shelly Manne, drums; Red Mitchell, double bass.
Mobile Fidelity Sound Lab MFSL 1-095 (LP). Lester Koenig, prod. TT: 38:16

Aaron Copland has called jazz "contemporary chamber music," and this is certainly true of these improvisations by Previn and his friends. I consider this chamber jazz at its best, varying in mood and tempo but never losing interest. The program consists of eight variations on themes from Bernstein's well-known musical, and includes "Maria," "Jet Song," "I Feel Pretty," and "Something's Coming."

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Vanatoo Transparent One Speakers Sweepstakes

Register to win a pair of Vanatoo Transparent One Speakers (MSRP $499.00) we are giving away.

According to the company:

"The Vanatoo Transparent One powered speakers set a new price/performance benchmark in the audiophile world. They produce unexpectedly great sound quality (honest, tight bass down to 48Hz!) from small bookshelf speakers that give you a lot of flexibility in how you use them. They are equally at home as a desktop audio system, a music streaming solution for a room where you want music but not stacks of equipment, or as a compact system you take with you on your weekend getaways."

[This Sweepstakes is now closed.]

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Music in the Round #69

It's August as I write this, and I'm looking back at some things that need to be discussed, and forward to the fall audio shows—particularly the 2014 New York Audio Show, which, by the time you read this, will have been held in Brooklyn, September 26–28. I grew up in Brooklyn, not in "the city," Manhattan, a place that we traveled to only for special reasons. Audio shops were rare in Brooklyn—I remember only Audio Exchange—but in Manhattan there was a small cluster near Grand Central Station, there was Lafayette Radio near the Holland Tunnel, a few scattered elsewhere, and the magnet of Liberty Street in lower Manhattan, where more than two city blocks were packed with audio shops.
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Simaudio Moon Evolution 820S power supply

Can a power-supply upgrade produce audible sonic benefits? If you've upgraded the power supply of a phono preamplifier, you probably don't need to be convinced that it does, and those usually cost only a small percentage of the price of the model they power. But to add Simaudio's Moon Evolution 820S power supply ($8000) to the Moon Evolution 650D DAC–CD transport ($9000), which I reviewed in the November 2011 issue, almost doubles the latter's cost—though the 820S can be used to simultaneously power two Moon Evolution components, like the 750D DAC ($14,000), 740P preamplifier ($9500), and 610LP ($7500) and 810LP phono preamplifier ($13,000).
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Air Tight ATM-1S power amplifier

It's no secret, especially to those who've been following Stereophile for more than a short time: In the first half of 2007, I took the plunge and bought a Shindo preamplifier and monoblock amplifiers—handmade products characterized by low output power, generous numbers of vintage parts, steel casework finished in a signature shade of green, and richly textured, impactful sound with lots of sheer musical drive. And while we tend not to alert the major newspapers whenever someone on staff buys new electronics, the change was notable for two reasons: The compatibility of Shindo's amplifiers is limited to loudspeakers of higher-than-average sensitivity and impedance; and, throughout the seven years that followed my switch to Shindo (footnote 1) both my system and my point of view regarding domestic audio in general have evolved in the direction of the artisanal and the vintage.
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Recording of September 1983: Rickie Lee Jones

Rickie Lee Jones: Rickie Lee Jones
Mobile Fidelity Sound Labs MFSL 1-089 (LP) (originally on Warner Bros. LP, 1979). Nick DeCaro, Johnny Mandel, orchestral arrangements; Lenny Waronker, Russ Titelman, prods.

This is actually a nice record. I was somewhat surprised to find myself really enjoying it. All the songs were written by Miss Jones, who does share the credit with Alfred Johnson for two: "Weasel And The White Boys Cool" and "Company." Her lyrics are fresh and entertaining, and her music quite good. The only jarring note to me was her inept-sounding efforts to assume the lowah-class South'n accent that is apparently considered essential for success in popsingin'. It only muddles her diction and makes the lyrics even more difficult to understand.

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A Better Traveler's Sanctuary: The Bose Quiet Comfort 25

This story originally appeared at InnerFidelity.com

It must be going on 5 or 6 years now that I've been recommending the Bose Quiet Comfort 15 as the best noise canceling headphone. Time after time when comparing the QC15 with newcomers to the field, they either slayed the competition with their ability to isolate from outside noise, or with their competent sound...usually both.

Then last year at about this time, Bose introduced their Quiet Comfort 20, a shallow insertion in-ear noise canceling model. I thought it was awesome. The shallow fit is remarkably comfortable—similar to just gently putting your finger against your ear canal—and their ability to isolate astonishing. When recently I heard that Bose was about to introduce a new over-ear model to replace the QC15 I emailed my contact at Bose immediately—when it comes to noise canceling headphones, Bose is the maker to keep an ear on. They did not disappoint.

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