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The Listening Experience as an Art Form: Meditations on Equipment from conrad-johnson and Audio Research Corporation


This article, by Dr. John Coletti, originally ran when Positive Feedback was in print - Vol. 8, No. 1, 1999. As a teaching exercise, the student of criticism might be assigned the task of comparing or contrasting the work of one author, artist, or composer to that of another. The object of the lesson encourages a... Read More »


Simaudio Celeste P-5003 Preamplifier


This article, by Carol Clark, Victor Chavira, Larry Cox, and Larry Fisher, originally ran when audioMusings was in print - Issue 9, 1999. When was the last time music inspired you to dance? No, I don't mean the obligatory dancing you do at say, a wedding—I'm talking about the pure, unadulterated dancing that you do... Read More »


Lamm Industries L2.1 Reference Preamplifier


"I suppose there's no remote? Dual mono volume controls?" I was discussing the operation of his L2.1 Reference Preamp with Vladimir Lamm. VL: "Yes, that's right." MN: "Ah, determinedly 20th century." VL: "Correction: 22nd century." MN: "Huh? Don't you mean 21st?" VL: "No. Sometime at the beginning of the next century, they will realize the... Read More »


Audio Research Ref 6 Preamplifier - A Follow-up


I'm overdue to finish what I started with my preliminary review of the Audio Research Ref 6 preamplifier (HERE). I have now spent many pleasurable hours listening to and using the Ref 6 as part of my reference system. Prior to purchasing the Ref 6, I owned the Ref 5SE and enjoyed the almost two... Read More »


Merrill Audio's Christine Preamplifier


Merrill Wettasinghe with his Merrill Audio Christine Preamplifier at Nack Labs When you think about it, the room is arguably your most important component. I am well aware of the sound of mine, a 12' W x 8' H x 32' L living room. I had a choice: setup on the long wall for soundstage width,... Read More »


Sophia Electric Magik Box


Positive Feedback has reviewed a number of products from Sophia Electric. Way back in Issue 8 of audioMusings hardware reviews, I was fortunate enough to review their "Baby" tube amplifier. Recently, I reviewed their gorgeous Coke Bottle KT-88 ST tubes. The subject of this review is the Sophia Electric Magik Box. If any component in... Read More »


Raven Audio Silhouette MK2 Reference Preamplifer and Shaman MK2 Mono Power Amplifiers


I'm no stranger to reviewing Raven Audio gear having previously reviewed a pair of the Raven Audio Silhouette Reference amplifiers and Silhouette Reference preamplifier, and the Shadow Reference stereo amplifier for PF. All Raven gear shares something in common, and that is the ability to reproduce music in such a way that it never fails to... Read More »


Graham Slee Accession Phono Stage


The humble phono stage is the unsung hero in most analog systems, yet many hobbyists overlook its importance and often allow it to become a bottleneck. This is especially true for those folks who operate in the affordable realm of vinyl playback, and are concerned with getting the most from their audio dollars. This topic... Read More »


Luminous Audio Technology Axiom II with Walker Modifications Passive Preamplifier


Luminous Audio Technology Axiom II "Life moves pretty fast. If you don't stop and look around once in awhile, you could miss it." – Ferris Bueller Over the years, I have struggled with what I really want out of my stereo system. Is it mind-blowing aural pleasure that veers to the dark side of neutrality,... Read More »


Audio Research Reference 6 Preamplifier – A Flash Back to the Future


This review brought back some wonderful memories. It has been quite some time since I have auditioned an Audio Research Corporation (ARC) product. Please be patient as a little backstory might explain. Audio was a hobby that began with my Father's love for building Heathkit amplifiers and various clones of Acoustic Research speakers. He, his... Read More »


Audio Ramblings - the PS Audio BHK Signature Preamplifier and DirectStream DAC


So here I am retired, and with lots of time. Time for music, beer, wine, the magazine… my art and more (like being on the Board of Directors for two non-profits here in LB—yikers what have I done?)... and time to listen to our music with the PS Audio BHK Signature Preamplifier and DirectStream DAC.... Read More »


Pass Labs X350.8 Stereo Amplifier and XP-30 Preamplifier


"When you sit with a nice girl for two hours, it seems like two minutes. When you sit on a hot stove for two minutes, it seems like two hours. That's relativity." - Albert Einstein I have auditioned, reviewed, and owned several products from Pass Labs over the years and this quote from Mr. Einstein... Read More »


Morrical on the Hardware: Wall Audio Opus 88 Stereo Preamplifier


Introduction Wall Audio is a brand that is not well known to many people, even in the audiophile world, but Andreas Wall has been designing and building high end products for more than 30 years. However, he has a very good reputation for his products in the German speaking world and has garnered numerous very... Read More »


Burson Conductor Virtuoso and Timekeeper Virtuoso


There's been a long, and I think unfortunate trend in the upper reaches of high-end audio over the last fifteen years or so. It is the moving of high end audio from an endeavor based on making gear whose principle raison d'être is to sound really good and to honor the music we listen to,... Read More »


Backert Labs Rhumba 1.1 Linestage


I reviewed the first product from Delaware-based Backert Labs, the Rhythm 1.1 Linestage, over a year ago in Issue 76 (HERE). I thought designer and preamp specialist Bob Backert hit a home run with this well-built and innovative design, especially if musical enjoyment is your main priority. The Rhythm 1.1 achieves its sterling sound by... Read More »


The Atma-Sphere Ultraviolet UV-1 Preamplifier


Dateline St. Paul, Minnesota: Today, audio engineers observed an invisible sonic wave emanating from Atma-Sphere in St. Paul. The engineer who first discovered this new UltraViolet wavelength—nicknamed Big Tone—has officially christened it UV-1… And that is a bald-faced lie. But Atma-Sphere has indeed, introduced a new preamp named the UV-1 that does, in fact, have... Read More »


Audio Research Ref 6 Line Stage - Preliminary Thoughts


Transformative Evolution I first heard about the Ref 6 line stage coming to market in late October 2015. Without any hesitation, I contacted ARC and placed my order. Why? Because ARC has rarely taken missteps in the evolution of their products since the inception of the company and I was confident that the Ref 6... Read More »


The SST Thoebe II and Son of Ampzilla


These are interesting pieces to have to write about in my first for Positive Feedback. When I picked them up, Dave, who hadn't heard them, said something like, "You may not like them and if so, then just don't write about them."  But I didn't think that; I wasn't expecting miracles, but I nearly got... Read More »


Classe's Sum of Preamps - the Classe Sigma SSP


This is my second installment investigating surround preamplifiers that might function as a reference two channel preamplifier. Leaving my Onkyo 885(b) for the NAD M17 was an encouraging, nearly thrilling start to my investigation. Happily there are an increasing number of promising offerings from bona fide audiophile firms. I naturally alighted on Classe's newly released... Read More »


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