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

Pass Labs INT-25 integrated amplifier

In my personal life I prefer the minimalist, one-box architecture of integrated amplifiers. Always have. Before I started writing for Stereophile, my only audio system consisted of a pair of 15 ohm Rogers LS3/5a loudspeakers (with factory wall mounts) and an ancient Creek integrated amplifier, connected to my computer via a Halide DAC HD, and to an Oppo CD player. That system had pitch-perfect tone and was satisfying with all types of music.
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Vivid Kaya 45 loudspeaker

For a decade, the sound of the Vivid Giya loudspeakers, which I had heard only at CES in private demonstration suites, beguiled me. My positive impressions were completely consistent from one show to the next—but then, so were the host and the surroundings. I had to wonder how much those factors contributed to my impressions.
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2020 Jitter Measurements

Even as digital/analog processors were becoming a hot product category in the early 1990s, audiophiles were also learning that timing uncertainties in the AES/EBU and S/PDIF serial datastreams—jitter—would compromise any improvement in sound quality offered by these DACs. Some companies therefore introduced products to reduce or eliminate jitter—in the November 1994 issue of Stereophile, Robert Harley reviewed three such products: the Audio Alchemy DTI Pro, the Digital Domain VSP, and the Sonic Frontiers UltrajitterBug. I still have Stereophile's review samples of the UltraJitterBug and VSP, along with two contemporary DACs: a PS Audio UltraLink and a Parts Connection Assemblage DAC-1.

As our reviews of these products were published before Paul Miller's and the late Julian Dunn's development of the "J-Test" diagnostic signal, I performed J-Test jitter measurements to bring that 1994 review into the 21st Century. You can see what I found here.

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Recording of February 2020: Farinelli

B>Cecilia Bartoli: Farinelli
Cecilia Bartoli, mezzo-soprano; Il Giardino Armonico, Giovanni Antonini, cond.
Decca 4850214 (24/96 download). 2019. Arend Prohmann, prod. and editor; Philip Siney, eng.
Performance: *****
Sonics: ****

When I first heard mezzo-soprano Cecilia Bartoli in person some 29 years ago, at her West Coast debut in the "Cal Performances" series at Berkeley's Hertz Hall, she was just 24 years old. Along with the rest of the audience, I was astonished at her ability to ally phenomenal coloratura technique with an out-of-the-box range of expression—unheard since the prime of Maria Callas. It was clear why Decca had already signed her and released her first recording the year before, when she was just 23.

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Records to Die For 2020

It's 3am. You're lying in bed. Something woke you up—you don't know what it was. You pull back the covers, get up, and tiptoe out to your listening room.

There, standing by your record rack, thumbing through your prized LPs, is a man in black (no, not Johnny Cash—a different man in black). You see a bulge in his pocket; it could be a gun. Something shiny catches your eye—there's a switchblade knife between his teeth! At his feet, leaning against your record shelf, is a cudgel. Oh, and it looks like he might have some infectious disease. You, of course, are in your PJs.

You notice, at the top of the stack of records that he holds under his arm, that one record, the one you love the most, the one you can't live without.

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Current Events

My first exposure to current-mode phono preamplification was maybe a dozen years ago, when such products were new. The one I received, though nicely packaged, was not ready for prime time. I never smelled smoke, but I never heard sound, either: If it wasn't DOA, it was at a minimum DSAA—Dead Soon After Arrival.
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Immersive Audio at National Sawdust

In September 2019, I made an afternoon visit to National Sawdust, a vibrant, innovative performance space in Williamsburg, Brooklyn, to attend a demonstration of the new Constellation and Spacemap systems installed there by Meyer Sound. According to Meyer Sound designer Steve Ellison, the two systems permit control of the space's acoustics (Constellation) and empower performers and sound designers to construct a soundscape (Spacemap) in which voices, instruments, and other sounds can be located virtually anywhere within as well as beyond the confines of the performance space.
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Audio Research VT-150 monoblock power amplifier

At the 1992 Winter Consumer Electronics Show in Las Vegas, Audio Research showed a line of reference products that represented the pinnacle of founder William Z. Johnson's life work as an amplifier designer. Although the all-tubed, fully balanced preamplifier and tubed monoblock power amplifiers were shown as works-in-progress, it was clear that these were products aimed at advancing the state of the amplifier art with no consideration for cost.
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