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JCAT USB Isolator - Enhancing USB Audio Playback to the Nth Degree


I've been using JPLAY as my go-to computer-based music player/streamer for the last couple of years—it's without a doubt the very best bang-for-your-buck improvement for use with any PC music playback system. In my review of the Sonore microRendu last year, I found that music via my PC with JPLAY came darn close to matching... Read More »


Shunyata Research Sigma Phono Cable


I think of Shunyata Research as an investigative research center for signal and power transmission. And I suspect its principal scientist, Caelin Gabriel, has a lot of fun digging into how electricity works, down to the quantum level. After all, Gabriel spent his early career with the NSA, designing military systems to acquire extremely low-level... Read More »


Q Acoustics 3050 Loudspeakers - The Antidote to Overthinking


I told a knowledgeable audio friend that I was writing about Q Acoustics speakers, and he didn't know the brand, so he looked it up. He saw online that the 3050 floorstanders I was to review cost $700. "This is bargain-basement stuff," he said. "Why is Positive Feedback getting you to review them?" Why do... Read More »


Tellurium Q Interconnects and Speaker Cables


I wonder if Geoff Merrigan, the owner and designer of the British company TELLURIUM Q is having nightmares? The question seems to me to be all the more justified, since both him and his company have roots in the pro world, that is, one set on functionality and utilitarianism and reluctant to any experiments. The experiments... Read More »


Spendor A2 Loudspeakers: Legendary British Sound at an Affordable Price Point


At the last Rocky Mountain Audio Fest, a conversation took place between Chris Morris of Bluebird Music (Spendor's North American distributor, based in Canada) and PF's Dave Clark regarding Spendor's newest and most affordable line of loudspeakers. The A2 and A4 Models, priced at $2395 and $3195 USD, would offer Spendor's renowned sound at a... Read More »


Mojo Audio Déjà vu Music Server


I'm going to start off by saying that I feel like I have been on a digital journey during the process of reviewing the Mojo Audio Déjà vu Music Server. I encourage all who are interested in the specs and tweaks for the Déjà vu Music Server to visit the Mojo Audio website and read... Read More »


All Systems Go! The Bakoon International AMP-41 and DAC-21


We hold these audio Truths to be self-evident…until we don't. There are times when I feel that everything ever said or published about audio is only created so that people can have a good time arguing. One premise, however, is rarely challenged: system synergy. Plenty of manufacturers posit that it only makes sense to purchase matching components from... Read More »


Argento Flow Master Reference Power Cord Utterly Natural Sound


You know how one thing leads to another. Since I am a huge fan of CH Precision, having acquired a whole system of their components, when I found out they market audio cables, I soon reviewed their Reference line (HERE). Once again, I was taken and acquired the demo set. Turns out the CH cables... Read More »


Tekton Double Impact - Adventures with High Sensitivity


This article will be a departure from my normal format for reviewing audio components. The Tekton Design Double Impact speakers came to me by way of Steve Lefkowicz's personal pair. Steve and Rosina put the word out that they needed space in their living room to accommodate the holidays. Since we are only separated by... Read More »


Tekton Double Impact Loudspeakers


One of the things I have learned to expect and appreciate in my search for high-value, lower-cost equipment is that as the price goes down the differences between gear increase, and the need to understand your biases and preferences becomes more important as you will have to accept certain compromises. As I have listened to... Read More »


LessLoss C-MARC Power Cable (and S/PDIF Cable) Preview


What do you cleverly call a company that has at its core value the maximum extraction of auditory information from any given signal? LessLoss. Get it? Less Loss. Having written and opined about Louis Motek's (full name Liudas Motekaitis) ingenious designs many times over the past ten, fifteen years, I have come to realize that in... Read More »


SweetVinyl SugarCube SC-1 Hi-Res All-In-One Vinyl Noise Removal and Digital Recording Platform


Having covered audio shows for many decades now, I have learned to take it with a pinch of salt when I hear exhibitors bandy about words like "revolutionary", "game changer", and "new generation" in trying to get you to focus on their products. However, what was different as I started my coverage of TAVES in... Read More »


First Take: The Bakoon International AMP-41 Amplifier


Just about ten years ago, when I first started writing the Neoteric Listener column for Positive Feedback, editors Dave and Carol Clark invited me to their home. At the time, the heart of their system featured the substantial Clayton Audio mono blocks and the well-regarded Reimer speakers. Reflecting on my then modest Arcam and Tannoy... Read More »


Vanatoo Transparent Zero Loudspeakers


I first heard the Vanatoo Transparent Zero (T0) speakers at the Los Angeles Audio Show last year and was immediately smitten. The sound quality I was hearing from speakers—available at an introductory price of $299 (now $359)—had me scratching my head wondering how so much could cost so little. Add to that 2 x 48... Read More »


Einstein The Pure Loudspeaker


Linn did it. Meridian has also done it. So have Naim, Avantgarde, Burmester, Gryphon, and a host of other brands, mostly hailing back to great European heritage and lineage. Naturally, one may ponder the who, the what, the it may refer to, and you would of course be right in that quest. Here, this question... Read More »


Ryan Tinsel Rackit-Compatible LP Storage Racks


Back in November I published a review of the 33 Rackit Modular Record Storage Unit, a replacement for the original Per Madsen LP racks. Afterward, I was contacted by Ryan Tinsel who informed me that he also was making a replacement for the Madsen racks. Per Madsen in San Francisco made a modular storage system... Read More »


Frank Ultra Bank UB-25000Ws AC Power Conditioner


Abundant availability of AC power is something we take for granted. The distribution of electrical power has been executed with a level of unprecedented success: no matter where we look, there's the good ol' AC power outlet staring at us. Unfortunately, what is delivered by that good ol' AC power outlet usually arrives seriously flawed.... Read More »


Doshi Line Preamplifier V3.0


Where are the Gatekeepers? Even as audio-related content has proliferated on the web, I tend to spend my browsing time elsewhere. The three reasons are: the slippage in quality, the ubiquitous upbeat bias, and the sheer redundancy. Click on the latest hardware article and it won't take long to realize you've already read it—just replace... Read More »


​From Those Wonderful Folks That Brought You the Blue Hawaii Comes the HeadAmp GS-X mk2


True, ​from "Those Wonderful Folks That Brought You the Blue Hawaii"… …except, subtract the tubes, use different designers, develop for dynamic headphones, use bipolar transistors output in class A, have a much more extended frequency response, undergo extensive modification including new exquisite volume control, produce up to 6 watts into a pair of headphones, and... Read More »


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