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Image courtesy of Acoustic Sounds Here's the trailer for Part 2 of Hyperion Knight's free Hillsdale College online course on the history of classical music. The trailer for Part 1, Pythagoras through Beethoven, has had 327,000 views. (See here at https://www.youtube.com/watch?v=kKSc8NL9ZBk) I want to stress that you can sign up for the course and watch... Read More »

Ye Olde Editor, near Masada and the Dead Sea, Israel, 2022 (Photograph by John Robinson) Those of you who have been following my writing and reviewing over the years know that I've been following the audio career of Kevin Malmgren of Evolution Acoustics from very near the beginning. Via our mutual, and lamented close friend, Jonathan Tinn... Read More »

Roger Skoff writes about why throwing money at, it isn't always the best way to solve a problem  Many years ago, when I was just starting XLO, a top (and very wealthy) American neurosurgeon with a state‑of‑the‑art, viciously expensive system (actually, three of them, but we'll only be talking here about the one in his... Read More »

Photo credit Bricasti Design. Bricasti Design, Ltd. was founded as a pro-audio company, specializing in reverberation units. Bricasti's principals formerly worked at Lexicon, which, at the time, was a Harmon International subsidiary. Reverbs are used not only in the recording process. Reverbs are also used in live-performance PA systems. Example, singer/guitarist John Mayer, when he... Read More »

Greetings friends, I hope you are well! Imagine with me for a moment that Blue Note Records set up a special concert event at Jazz Alley in Seattle featuring a premier jazz artist. The concert would be recorded directly to 2-track tape in real time, in front of the live audience, by Blue Note's crack... Read More »

This is a guest article by reader David Fisher It seems like each new popular musical genre initially gets labeled "the devil's music." In the 1920s, the swinging rhythms of jazz were considered taboo in some corners of polite society. Later, subtle to blatantly risqué lyrics earned Delta blues that "devil's music" moniker. Then along... Read More »

In the world of music streaming, packet accuracy alone doesn’t guarantee great soundquality. Real-time streaming demands stable timing and minimal interference—this is where the KECES Ewave Audio Grade Switch makes all the difference. How does Ewave achieve this? 1. Independent Power Design Separate power supplies for chip, OCXO, input, output, and MCU minimize interference and... Read More »

The Genesis of a Group This one is brief and to the point. Fine audio at its best is a passion for fine recordings of music by great artists. If that's not true of your relationship to audio, then you'll have to examine yourself to see if your love is for gear first, with no particular... Read More »

Beginning at the end of 2003, Positive Feedback established its first annual awards for fine audio. The Brutus Award was established for the best that David Robinson and Dave and Carol Clark had heard in their own listening rooms during that year. You can think of it as our equivalent of an "Editors' Choice" award. The... Read More »

I have long valued recordings that use a single stereo microphone (or microphones whose capsules have been closely spaced) because of their authenticity, immensely precise and stable imaging, and overall greater "true-to-life" representation of the musicians when performing within a natural acoustic environment. Getting it all right is not easy, it does not just happen... Read More »

Roger Skoff says yes, but not as much as you think... Back in the old days of HiFi, if you were to ask audiophiles to name the single greatest requirement for perfect sound reproduction, my guess is that at least 9 out of 10 would have said "flat frequency response." That was in the mid-1950s,... Read More »

Let me explain what this new series will be about. Since September 2014, shortly after I installed a new Mose/Hercules II power supply in my Linn LP12 turntable, I decided I needed to listen to each and every record in my collection at least one more time and to document them on my Facebook page.... Read More »

Martorella Mechanics' Hall photo, "Birdseye of Steve copy. Photo courtesy of John Quick Dear Friends, I was an amateur reel-to-reel tape recordist from junior high-school on. I was fascinated by everything about record production. Undeterred by my relative ignorance (and total lack of practical experience), circa 1981, I set about trying to arrange a recording... Read More »

Roger Skoff:  a moment, Dry Brush Fantasy Variation. LAOC Gala 2024. (Photograph and image processing by David W. Robinson) Roger Skoff writes the most radical article about High-End HiFi  you'll ever read... When I was a twelve year-old HiFi Crazy kid, back in the 1950s, HiFi was simple: There was only one (monophonic) channel. Stereophonic... Read More »

I'd like to think I have an audio worldview that makes consistent sense, both in the scientific world and the audiophile world. For example, I know that no amount of equipment mania will replace fixing a room with bad acoustics. I know this makes sense: paying attention to acoustic science will get you, say, 90%... Read More »

Greetings friends, I hope you are doing well. Today's feature article is about "The Duelund-Corona 832A Project" that Frederik Carøe (Duelund Coherent Audio) and I have collaborated on, but before I delve into the details of our project, let me give you a little background about Duelund Coherent Audio. Duelund Coherent Audio is located in Fredensborg,... Read More »

Frank Doris at AXPONA 2017 (photograph and image processing by David W. Robinson) This essay was originally published in Copper magazine, and is republished courtesy of Frank Doris and Paul McGowan of PS Audio. Thanks, gents!   October 2, 2025 is the 10th annual World Audiophile Day, and it makes me think about the whole audiophile "thing."... Read More »

Gordon Lightfoot, as a young Church Singer. Courtesy The United Church Observer/Broadview magazine. Gordon Meredith Lightfoot, Jr. (1938-2023) was a Canadian-born singer-songwriter. By 1965, Lightfoot's songs had been recorded by, among others, Peter, Paul & Mary; Ian & Silvia; the Kingston Trio; Elvis Presley; Bob Dylan; Chad & Jeremy; George Hamilton; the Clancy Brothers; Marty... Read More »

When I moved to the Charleston, South Carolina area three years ago, I figured out something very quickly: the Low Country is a veritable wasteland when it comes to high-end audio—there's nothing here. And I mean nothing, other than a few pieces of mostly mid-fi gear at an occasional Best Buy location. I only thought... Read More »