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Ethernet Cables from AudioQuest - Pearl, Carbon, and Diamond


Something strange happened recently that caused me to rethink the testing paradigm used by reviewers. I was multitasking, putting some low-priced music streaming gear through its paces, while checking out a sampling of AudioQuest Ethernet cables. I began with AQ's bottom-of-the-line Pearl ($49.95/1.5m), then swapped to the top-of-the-line Diamond ($1599.95/1.5m), when it struck me. For... Read More »


The ampsandsound Bryce Monos


Justin Weber, the owner of ampsandsound, has been on a roll lately. 2021 has been a big year for him. He introduced two new headphone amplifiers (The Rockwell, and the Agartha), had two of his products put on the 2021 Stereophile recommended component list, and introduced a new set of mono block speaker amplifiers known... Read More »


Aavik Acoustics RIAA R-180 Phono Preamplifier


Excellent transparency and musicality deliver musical bliss. Review By Tom Lyle With this article, Positive Feedback continues its content-sharing relationship with Enjoy the Music where Tom Lyle shares his thoughts on the Aavik Acoustics RIAA R-180 Phono Preamplifier. Dr. David W. Robinson, Editor-in-Chief In July of 2021, I reviewed Aavik Acoustics's I-180 integrated amplifier, D-180 DAC, and S-180 streamer... Read More »


Wells Audio Innamorata II Amplifier and Commander Line Stage Preamplifier


Prologue I've had the Magneplanar LRS loudspeakers in my daily-listening system for over two years now; every time I swap them out for something else, they invariably seem to find their way back in. And that's despite being devilishly difficult loudspeakers to drive; their 2.8 ohm impedance (almost constant across the entire audio spectrum) presents... Read More »


From an Editor’s Notebook:  Twain, Tobacco, and Reviewing


Ye Olde Editor in a tobacco moment (photograph by John Robinson) These thoughts are short and to the point. High-end audio is filled with reviews (many of those should read "reviews"), arguments, and endless debates about reference standards, ratings, lists, best-ofs, and so on…endlessly. There are über, no-holds-barred components/systems, at (usually) astronomical prices. Then again,... Read More »


Kirmuss Audio Advances Record Restoration and Introduces the Adrenaline Speaker Cable 


An important announcement! The energetic and brilliant Charles Kirmuss has no grass growing under his feet as he announces changes in usage of his superb KA-RC-1 Ultrasonic Record Restoration System and newly developed and very high value speaker cables for audiophile systems. I inquired about the cleaning process since there is so much buzz associated... Read More »


The PureAudioProject Duet 15 Prelude Loudspeakers


Unless you have been living under a turntable weight, you are likely aware of PureAudioProject. Founded in 2013 by Ze'ev Schlik, the collaborative PureAudioProject (PAP) offers a line of highly regarded modular open baffle loudspeakers using interchangeable upgradable frame structures, drivers, and crossovers. In addition to the modular speakers, PAP has expanded its product line,... Read More »


Weak Links and Sorting Eggs


Roger Skoff writes about the best way to approach improving your system Just in case you'd forgotten, Roger Skoff is the former Owner/Designer of XLO Cables, and currently occupies the same position with his new company, RSX Technologies. Just about everybody knows the old saying about a chain being no stronger than its weakest link.... Read More »


Top 500 SuperSonic List - Part 28


This is an ongoing project by Claude Lemaire of Soundevaluations 176. Blood, Sweat & Tears, Blood, Sweat & Tears. Columbia – CS 9720 (1968), MoFi ‎– UD1S 2-016 Box (2021), (2x45 rpm), #004348 of 6000. Genre: rock- jazz, jazz passages, jazz rock fusion, groovy soul rock, art rock, psychedelic flirtings, blues, ballad, fanfare, classical. Quick. What is... Read More »


Thoughts on the Schiit Yggdrasil Analog 2 DAC and an Interview with Mike Moffat on the Yggy, Tubes, Measurements, and More


Mike Moffat still photo sourced from Schiit Audio video VALENCIA, CA—Mike Moffat, 73, is co-founder of the wildly successful Schiit Audio, which turned home audio on its ear with its affordable direct sales model. With manufacturing plants in California and Corpus Christi, TX, Schiit makes electronics ranging from $100 Digital to Analog Converters (DACs) and... Read More »


AURALiC Sirius G2.1 and Aries G2.1


These days it seems like many high end manufacturers are building all in one digital front ends. What I mean by that is one box that consists of both the DAC and Streamer. On paper this approach makes a lot of sense. With the rise of Roon and HD digital music services, many audiophiles are... Read More »


iFi's Stellar Nova and SupaNova Power Cords


My last foray in the fiefdom of iFi focused on fixing a pair of power problems that plague too many audio setups: ground loops and DC offset. The diminutive GND Defender and DC Blocker elegantly address that annoying rattle and hum—and at the most un-audio-extortionate prices. As I mentioned in that review HERE, the two... Read More »


Rotel's RB 1582 MKII Amplifier and RC 1572 MKII Preamplifier


I was first introduced to Rotel products back in the mid 70s when I bought my first Rotel turntable from the Stereo Buff in Springfield, MO. I was a poor college student, and they had very affordable prices. I ran that table through a Yamaha integrated amp along with a Aiwa cassette player and Genesis... Read More »


Oracle Audio PH200 Mk III Phono Preamplifier


World Premiere Review! A quiet background, and extended response, making instruments sound real. Review By Tom Lyle With this article, Positive Feedback continues its content-sharing relationship with Enjoy the Music where Tom Lyle shares his thoughts on the Oracle Audio PH200 Mk III Phono Preamplifier. Dr. David W. Robinson, Editor-in-Chief I'll start this review of Oracle Audio Technologies' PH200... Read More »


AirStream - Optimized Wireless Router from Fidelizer


Photo courtesy New York School of T'ai Chi Chuan Sundays at noon I take Qigong class, a Chinese discipline of standing postures and slow movements. Translated, it means "energy work," and is related to T'ai Chi Chuan. The aim is to help you achieve relaxation. Sounds easy, right? That's what you think. By the time you... Read More »


Triangle Art M-100 Mono Amplifiers and L-200 Preamplifier


I first came across Triangle Art around 7 years ago while scrolling through a familiar webzine. It was fortuitous as I was getting back into vinyl after abandoning it decades ago, leaving behind my thoroughly thrashed Garrard that carried me valiantly through my childhood and teens. What caught my eye in that webzine's ad was... Read More »


The Vanatoo Transparent One Encore Powered Loudspeakers


How's your consumer confidence these days? Mine could be better. Seems like the more I buy, the less I'm satisfied. Higher price and lower quality is starting to become the rule rather than the exception. I especially take umbrage with products that feature a description that seduces you into thinking they're great, and then disappoint... Read More »


Impressions:  From an Editor’s Notebook, Part 1...ADD-POWR Sorcer X4


David W. Robinson, a portrait in late August of 2021. (Photograph by John Robinson.) "We will serve no wine before its time." – Carlo Rossi It's time. I have a set of brief impressions about some of the audio gear that's made its way over here to Positive Feedback in 2021. The second year of... Read More »


A Material Difference?


Roger Skoff writes about the stuff our stuff is made of... Many years ago, Goldmund, one of Europe's leading manufacturers of reference-quality audio products, offered individual "Cube" amplifiers to plug into and directly power each of the sections of its then US$80,000 (more like US$500K, today) Apologue speaker system. Among the talking points for these... Read More »


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