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High Fidelity CT-1 Ultimate Reference Cable System


Few cable manufacturers had the kind of rookie effort Rick had with his first company, Virtual dynamic, in the early 2000s. Like his initial approach, Rick continues to have an unwavering commitment to the use of high powered magnets that surrounds the wire the signal passes through. Rick has several patents, and plenty of data... Read More »


The New Apartment Lounge: Digital Delights with the Bakoon DAC-21!


In my Issue 96 product preview, I raved about several exceptional components currently in my review queue, not the least of which was Bakoon International's sensational little DAC-21. Although relatively new to my reference set-up, it quickly became apparent that the DAC-21's sonic performance would require a wholesale reassessment of what affordable outboard DACs can... Read More »


Grado Headphone Shootout: RS1 vs. RS1e. 24 Years in the Making!


The Grado RS1 headphones: a classic! (Photograph by clothfairy via Flicker; Creative Commons license is at https://www.flickr.com/photos/7403543@N04/2250991856. Used in accord with that license. No changes were made to this image; use of this image does not imply endorsement by the photographer.) Twenty-three years ago, in a city far, far away, I purchased the most expensive, mahogany headphones... Read More »


Pass Labs XP-17 Phono Stage Preamplifier


Quietly Musical That was my initial thought when I listened to the Pass Labs XP-17 Phonostage for the first time. Yes, quiet and musical, is an apt description. But there must be more. After all, this is not some run-of-the-mill update. This is a new product in the Pass line. That does not happen all... Read More »


Ayon Titan Evo Monoblock Amplifiers


The word Titan brings a whole lot of imagery to mind for most people. Titan Missile; the king of all intercontinental ballistic missiles. Capable of delivering multiple nuclear warheads to other continents within a matter of minutes. Clash of the Titans; Gods at war using their giant minions to battle. It invokes the image of... Read More »


Skogrand Beethoven Cables - A Study In Transparency


It's patently clear after countless years of reviewing that cables can—and often do—make or break the sound of better audio systems. Enter the Skogrand Beethoven speaker cables originally reviewed in Issue 75 of Positive Feedback (HERE). In the end—even with my patience being tested by the Beethoven's long burn-in time—the speaker cables truly excelled when... Read More »


Prism Sound Callia USB Digital DAC and Digital Audio Preamplifier


Fidelity - a virtue peculiar to those who are about to be betrayed Ambrose Pierce "Fidelity to the source!" A ton of money has changed hands on the promise that some gizmo or recording can, "Put you right there next to the performers!" Unfortunately, those who actually make recordings are rarely content with raw footage.... Read More »


PS Audio Stellar M700 Monoblock Amplifiers


Enter Stellar… Early last year, PS Audio introduced a new line of audio components. Dubbed Stellar, the initial line includes the Gain Cell DAC/Preamp, the S300 Stereo Amplifier, and the M700 monoblock amplifiers. I caught wind of the Stellar M700 while at AXPONA 2017. Always on the prowl for reasonably priced, high-end audio components, I... Read More »


CH Precision Reference Cables


The Age of Bulk Occasionally I invite non-audiophile, classical music aficionados over to listen. I intentionally leave them unprepared for what they will see, except to mention that I'm an audiophile. It's a setup and it always works. They enter my living room and they freeze. After a pause, they point to the Kronos Sparta,... Read More »


ESS 252 Dynamic Headphones and ESS 422H Heil AMT/Moving Coil Hybrid Headphones:  A World Premier Review!


Ever want to be the conductor of a world class symphony orchestra? Got a desire to enjoy a performance of a stellar big band and ease on to the Duke's piano bench during a Columbia recording session? Maybe you would like to take a chair during the performance of a Beethoven piano trio? Then just... Read More »


Goodies from Gold Note - the Gold Note PH-10 Phono Stage


Gold Note of Italy are makers of bland black boxes for audio with a low functionality quotient. Not. I've had Gold Note's PH-10 phono stage in for review, and wow it's nice to look at. It's a distinctly elegant design with a clear attention to detail, aesthetic, and functionality. My sample arrived in black, but... Read More »


1More Quad Driver In-Ear Headphones


The following review is from our guest contributor, Sarah Grant. Sarah is a dear friend, as well as a music, coffee, and beer lover. Plus she is cool. This review might have an especially affirmative character to it but I have a deeply personal relationship with this product after months of use. And although I am... Read More »


Levi's Quickies - Townshend, EAT, and Stax


F1 Fractal™ Interconnect by Townshend Audio On the heels of the ridiculously superb (passive) Allegri+ preamplifier (HERE), with its secret sauce…fractal wire…comes the introduction to America of Townshend F1 Fractal Interconnects. (There are speaker cables also, but I did not have them for review.) The interconnects are extremely exotic looking and terminated in excellent shielded... Read More »


Holt Hill Audio Cionnsaile Monitors


As the science of astronomy moves forward, many of the ideas about how the universe has formed continues to evolve. The accepted theory used to be that galaxies formed from gas clouds and star clusters coming together. Over time gravity gathered enough material together to form the various galaxies in the universe. Only lately has... Read More »


The Luminous Audio Technology Axiom II Passive Preamplifier, with Walker Mod and Remote Volume Control


About five years ago, I'd just gotten an HRT Streamer HD DAC with balanced outputs, and had also just upgraded my system amps to a pair of Emotiva XPA-1Ls. The Emotivas were (and still are!!) capable of fully-differential, balanced Class A operation, and I was itching for a balanced preamplifier to help me enter what... Read More »


Unique Innovation Technology Perfect Music Purifier Speaker Cables Premier Review


Under the leadership of ​the brilliant Mitch Ko, President and Chief Designer of UIT Products, comes the long awaited PMP Speaker Cables. In both single-wire and bi-wire configurations, pricing is not the same type of truly super-attractive deal of the UIT interconnects—being in the $2500 - $3000 range—but the complexity of the speaker cable, silver... Read More »


SVS SB16-Ultra Subwoofer


You know the phrase "size matters", I'm sure you've heard it before. Does it matter with a speaker? If you're attempting to reproduce low frequencies, you bet it does. Most of the time I've had subwoofers not larger than 10". I was always under the impression that if you go too large, that you would... Read More »


Mad Scientist Audio's Graphene Products


The wind is in from Africa and last night I couldn't sleep. I laid there instead contemplating the review of the Mad Scientist Audio Flexible Carbon Fiber/Graphene balanced interconnects I was preparing. For those not familiar with Mad Scientist Audio, they came on the scene circa 2013, based out of New Zealand and run by... Read More »


Silverline Minuet Grand Loudspeakers


One of the better rooms I heard at the 2017 Los Angeles Audio Show featured the Silverline Audio Minuet Grand speakers. These relatively small, two-way stand-mount speakers were putting out a big, big sound that was dynamic and engaging when I came by. Unfortunately, I didn't have much time to spend in this room, but... Read More »


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