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Musings on Building a Digital Music Server: The AudioQuest Diamond USB and Stealth Varidig Sextet versus the Synergistic Research USB Active SE and their Element Copper, All with a Manley Skipjack


"Listen as the wind blows from across the great divide voices trapped in yearning, memories trapped in time the night is my companion, and solitude my guide would I spend forever here and not be satisfied?" —"Possession", Sarah McLachlan This does look back a long time. After a conversation with Josh Heiner of Sonicweld about... Read More »


Follow Up: Zesto Audio BIA 120 Class A Amplifier


Read the complete review HERE "In the absence of visual cues, auditory cues have to be that much better." J. Gordon Holt After 10 weeks of consistent use of the Zesto Audio BIA 120 Class A Amplifier, I find its performance continues to be unmatched by most amplifiers, as I did in my original review. In one parameter,... Read More »


The Audiophile Forums – A Maddening Obsession!


I first became aware of the audiophile forums about ten years ago; at the time, I was working on site at Delta Air Lines in their Corporate Communications department. As a contractor representing R.R. Donnelley, I was required to spend long days there, essentially at their total beck and call. Because of the seriously complicated... Read More »


Sonic Upgrades for Sony's HAP-Z1ES High Resolution Audio Server


Sony Jumps into High Resolution Audio, Launches the HAP-Z1ES Music Server Last September, Sony Electronics brought High Resolution Audio into their Audio Product Line with the announcement of several new products including a top-of-the-line Stereo Music Server, the HAP-Z1ES that retails for $1999.99. The HAP-Z1ES is designed as a turnkey music server that includes 1TB... Read More »


The Sophia Electric 91-03 300B Stereo Integrated Amplifier


The Sophia Electric Family   Sophia Electric is a family owned and operated enthusiast audio company located in Vienna, Virginia, that designs & builds premium vacuum tubes, vintage-inspired Hi-Fi amplifiers & preamplifiers, and low-powered amplification simpatico loudspeakers, all of which are intended titillate the fancy of high-performance audio devotees & music lovers.  Sophia Electric also designs and builds various transformers, chokes, capacitors, and slow... Read More »


Roger Waters' Amused to Death


Remastered Edition Coming to Multichannel SACD and LP from Analogue Productions [With this article, PFO welcomes long-time SACD/DSD commentator and writer, Brian Moura, to the masthead. Brian is an experienced audiophile, and has been an enthusiastic supporter of DSD, SACD, multi-channel/surround recordings, and the higher resolution scene for a long time now. I've been impressed with the... Read More »


Well Wishes for Matt Ashland of JRiver


I upgraded to JRiver Media Center 19 about four months ago (thanks Jim), and while I haven't had the opportunity to check out its performance with Mac equipment, I still firmly believe that JRiver sets the gold standard for PC-based music playback. Media Center 19's performance is miles beyond their iterations from just a couple... Read More »


Ever Wish Your LPs Were Ultrasonic Clean? Record Genie to the Rescue


Positive Feedback readers with an analog attitude will likely have taken special note of Myles B. Astor's extensive evaluations of both the Audio Desk Systeme and the Klaudio ultrasonic record cleaning machines. While the two machines have significant differences in how the ultrasonic technology is utilized, they share both the basic "toaster" form factor, and—how'd you guess?—the same price. $4000. ... Read More »


Downsizing While Upscaling: Ayre VX-R, McIntosh C2300, Harbeth 30.1


  Less is More or Less? Necessity is the mother of invention. Planning for a move from my current country mouse lifestyle in up-state New York, (i.e. old large Victorian high ceiling dedicated listening room), to the ultimate city mouse experience, (small Manhattan apartment with multi-purpose rooms), created a logistical and musical challenge that I... Read More »


Of HiFi, Watches, and Do-It-Yourself Craziness


Roger Skoff looks at whether saving money is always worth doing! "Breathes there a man with soul so dead, Who never to himself hath said" (from HERE) "They want HOW much? For that? No way! I could build one for myself a lot cheaper – maybe even better, too!"  Do-it-yourself has been a part of HiFi as long as there's been... Read More »


The Audio Circular: No. 10 in a Series of Parallel Narratives: Push-Pull Thermo Muscle: The Rogue Audio M-180 Monoblock Amplifiers!


For several years I've been living in the land of low watt tube SET amplifiers: 2A3, 45, 300B and 845 Triode amps have been in my personal collection. Lately, the arrival of a new pair of reference speakers finds me auditioning higher power amps. There is quite a difference between a gaggle of glass bottles... Read More »


Live-Wall by Bay Audio


Bay Audio is a small company based in Poway, CA, approximately twenty-five minutes from downtown San Diego. They are not your usual high end audio company churning out box speakers, and fancy components with lavish faceplates. No, they mine a far more interesting area that was relatively new to me when I was contacted with... Read More »


Robinson's Updated DSD Download Site List: February, 2014


Chad Kassem's Super Hirez site has an excellent and growing collection of DSD downloads from major labels (Sony Music, Universal Music Group), as well as from smaller/indie labels (Analogue Productions, Reference Recordings, David Elias) at http://store.acousticsounds.com. Chad's helpful documentation about all aspects of DSD hardware and software is the best I've seen, and really helps the person who... Read More »


Announcing the New Series 3 Loudspeaker from Bamberg Audio! The Bamberg 3 TMW


As an Indiana native and dyed-in-the-wool audio nut, I am proud to introduce a new product from Indiana speaker manufacturer Bamberg Audio. Located in Fishers (Indianapolis), Philip Bamberg quietly builds high-end loudspeakers. Mr. Bamberg has degrees in Mechanical and Electrical engineering and after having worked for several well-known audio companies, he set out to bring his no-nonsense,... Read More »


Tony Weber


It is with the deepest regret and heaviest heart that we report the sudden and unexpected passing of our dear friend and colleague, Tony Weber. While Tony was part of MIT for just less than a year, he shared with us his love, knowledge, and understanding of music that goes unsurpassed the industry. His depth of... Read More »


The Neoteric Listener... the ADL H118 Headphone and ADL X-1 USB DAC Headphone Amplifier


"Well, what'll it be, Dean? The fabulous tube phono stage behind curtain number one? Curtain number two's amazing boutique basket of USB mini DACs? Or the box Carol Merrill is standing beside, which may or may not contain the fabulous audiophile headphone and headphone amp collection set?" "Tough choices, M. Hall, but thank goodness I've... Read More »


More Musings on Building a Digital Music Server: the KingRex UPower, uArt Y USB Cable, and UD384 High-Resolution DAC


"Then you better start swimmin' Or you'll sink like a stone For the times they are a-changin'" —Bob Dylan, "The Times They Are A-changin'" Sometimes, less is more, and innovations come from unexpected places. One example is the KingRex UPower and uArt Y USB cable. Although the UPower is very small (about the size of... Read More »


Impressions: Notes on the Minus K Technology 100BM-8


It has been a long while since I wrote about a vibration isolation platform. In fact, I would have to go back to the days of the Vibraplane Model 2210 passive platform's arrival here at Clark Johnsen's strong recommendation to find the last time that I did this. And that takes it back to the... Read More »


An Audio Feast: Magnepan, Pass Labs, Oppo Digital, and Cardas!


Background You always remember your first love. In my case, at least audio-wise, that was with a pair of Magnepan 3.3's. I was struck by the way the sound filled the listening room—it sounded like the entire wall was radiating sound. Not just any sound, but crystal-clear sound. I still remember the way the highs... Read More »


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