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The Carbide Audio Multi-Axis Vibration Isolator Footers Get It Right


I am convinced that, as a species, we are hardwired to respond with awe at sheer displays of power, largesse, and the overwrought, and I was reminded of that again when I arrived home to a UPS delivery of 12 Carbide Audio Multi-Axis Vibration Isolator Footers totaling 60-plus pounds enclosed in a 2' x 1'... Read More »


A Supercharged Fanless Case for Your NUC Music Server - the HDPLEX H1 V3


Want a souped-up fanless case for your music server but don't want to overspend, are willing to roll up your sleeves a bit, but you don't know where to look? It turns out the HDPLEX H1 V3 just might be your end game! Several years ago, I built my reference music server by purchasing an... Read More »


LSA Signature 60 Monitor Loudspeakers


Living Sound Audio (LSA) is the in-house brand of Underwood HiFi, a company that's nearly legendary in audiophile circles. Walter Liederman, Underwood HiFi's "big kahuna"—hey, the dude lives in Maui, for heaven's sake—was a perpetual fixture on the Atlanta audio scene for decades. Walter was a partner in Atlanta-based HiFi Buys for 23 years prior... Read More »


Songer Audio S1 Field Coil Point-Source Loudspeaker


With this article, Positive Feedback continues its content-sharing relationship with Enjoy the Music where Bob Grossman shares his thoughts on the Songer Audio S1 Field Coil Point-Source Loudspeaker. Dr. David W. Robinson, Editor-in-Chief Singing a magnificent song. Review by Bob Grossman Do you remember as a kid when you first heard an excellent quality music system? It was... Read More »


Naiu Laboratory Ella Mark 3 Class ND Stereo Amplifier


  Naiu Laboratory is a German-based manufacturer that's been in existence since the late 1990s. It's the brainchild of Mircea Naiu, who also designed the proprietary circuit employed by their only current model, the Ella Mark 3 stereo amplifier. Naiu refers to this technology as Class ND, which is an acronym for "Naiu Digital." Naiu's... Read More »


Cary Audio SLP-98P Tube Preamplifier


Audiophiles that might be reading this are most likely very familiar with Cary Audio, originally the brain child of Dennis Had who is something of a legend in our industry. The venerable Cary 805 Mono Block Power amplifiers are legendary, and the audio equivalent of the Lamborghini Countach and Ferrari 512 Testa Rosa. Many of... Read More »


The Grace Design m900: Vilfredo Pareto's Favorite "Budget" USB DAC


The Grace m900 USB DAC Vilfredo Pareto (1848-1923) was an Italian civil engineer, sociologist, and economist. Pareto was primarily responsible for shifting the focus of economics from theories of "moral philosophy" to being a data-driven social science. Pareto was the first to use the term "elite" in economic and social analysis and criticism. Vilfredo Pareto... Read More »


The Dan D’Agostino Master Audio Systems Progression Integrated Amplifier – An Engineering Marvel And A Musical Tour De Force


There is something special about the Dan D'Agostino Master Audio Systems brand and legacy. For myself, every interaction has been first class from beginning to end. This not only includes the product and the performance, but even more important are the people that stand behind it. We of course have Petra and Dan D'Agostino, but... Read More »


Grado Timbre Series Master3 Phono Cartridge


I'm all for unburdening oneself of unwanted crap. As George Carlin said, if you didn't have so much goddamn stuff, you wouldn't need a house, which is really just a pile of stuff with a cover on it. Of course, that doesn't mean stuff is inherently bad. I, for one, enjoy sleeping in a bed.... Read More »


Charisma Audio Charm Phono Cartridge


Consider the enigma that is the conical stylus, which is essentially the starting point for the earliest cartridges. While this stylus shape is widely used on modern entry level cartridges, curiously, it can also be found on a few select moving coil designs. Not all conical styli are created the same, as many are bonded... Read More »


Linebacker SE Copper Passive Power Filter from PranaWire


When is enough, enough? That's a rhetorical question when posed to an audiophile, because in matters of the hi-end, we never cross the finish line. Just ask Joe Cohen, the proprietor and lead designer of PranaWire, for his take on the subject: "Common wisdom holds that there is a point beyond which continued effort and... Read More »


Stein Music Bobby S Ultimate Loudspeaker


The Bobby S Ultimate Loudspeaker from Stein Music of Germany is a robust stand-mounted two-way monitor that is unusual in several ways. It has a unique horn tweeter/midrange on top of a moderately large, for a monitor style speaker, dynamic woofer. The cabinet is finished in 100% knife-veneered birch and this model is the top of... Read More »


Rock and Roll All Night… I Just Might! - Wharfedale Diamond 12.3 Loudspeakers


A common topic among audiophiles or collectors of HiFi gear is the piece of gear you regret selling the most. Often, this results in a list of equipment we lament relinquishing to the wild. You have yours and I have mine. What's my regret? A gorgeous set of Wharfedale Pacific Evo tower speakers that I... Read More »


Phasemation PP-500 Moving Coil Cartridge: Punching Above Its Pay Grade


"The whole is greater than the sum of the parts" is the perfect description of the sound of the Phasemation PP-500 low output moving coil cartridge. In short? The Phasemation PP-500 cartridge is an extremely musical sounding, low output moving coil cartridge whose overall performance transcends its readily identifiable sonic signature. Is the sound of... Read More »


FiiO R7 Desktop Digital Music Streamer, Preamplifier, and Headphone Amplifier


With this article, Positive Feedback continues its content-sharing relationship with Enjoy the Music where Steven R. Rochlin shares his thoughts on the FiiO R7. Dr. David W. Robinson, Editor-in-Chief A superb DAC, streamer, preamplifier, and headamp designed for music lovers. Review By Steven R. Rochlin   When FiiO sent me an e-mail showcasing their new R7 desktop stereo... Read More »


McIntosh MP100 Phono Preamplifier


If you are a reader of this esteemed publication it is not a stretch to presume you are an audiophile and probably pretty deep into our wonderful hobby. Having said that, I think you would be hard pressed to find anyone amongst us who has not heard of, listened to, or even owned McIntosh components... Read More »


Silent Angel Bonn NX LAN Switch


ThunderData Co. LTD. is a company founded by Dr. Eric Jian Huang. It is engaged in the production of servers, network communication, data management, network storage software, hardware engineering, etc. The company operates in the hi-tech industry and focuses on 5G mobile networks and 8K video transmission. Its audio offer is concentrated in two series... Read More »


Solen Monitor 9A:  A Standout Bargain Among Professional Monitors


Every now and then—but really, not all that frequently—a product appears that really "shakes the chessboard" in terms of performance, value for money, or both. The Monitor 9 from Solen Electronique is one such product. Solen is a Montreal-based Canadian company with manufacturing facilities in Canada and France. Its overall performance is top-tier, and its... Read More »


Two from Purist Audio Design: Diamond Edition Dominus Power Cord and Dominus Interconnects


I was chatting with an exhibitor at last year's tiny NY Audio Show 2022 and mentioned I found the treble in his room had too much bite. I got no argument: "I like that. That's what I hear at concerts." Hmm…his comment made me pause before I continued with the rest of my list: boomy... Read More »


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