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Audio-Technica AT-OC9XEB Moving Coil Phono Cartridge


Audio-Technica's least expensive moving magnet cartridge, the AT-VM95C, is a thoroughly entertaining product. While far from the last word in anything, it's a cartridge I've enjoyed on turntable and tonearm combos costing more than 100 times its price. For just $39, it tracks well and resolves in big, bold strokes that makes it just as... Read More »


Playback Designs' USB-X4 Interface - A Further Step in Transparency


Ann and I are always interested in steps we can take to bring our listening to life. For us, this often means seeking greater clarity, greater transparency, to the sound. Years ago, it was the clarity we heard when listening to the monstrous resolution delivered by the Walker Audio Proscenium Turntable—a veritable vinyl grooves vacuum... Read More »


Home Audio Fidelity Crosstalk and Convolution Filters - Oui ou Non?


This past spring, I heard about a new DSP (Digital Signal Processing) software from my audio friend, Jeff, via an email blast to fellow aficionados raving how it had set his listening sessions ablaze.   A retired European capital equipment salesman who boxed a little at University of Notre Dame, Jeff remains tall and lean... Read More »


The Analog Ethos Legendarium 2a3 Stereo Amplifier


Sometimes you listen to a piece of equipment, and its performance gives you pause. Sometimes that pause is a good thing because what you're listening to is performing better then you expect. Unfortunately, sometimes it's a bad thing, candidly most of the time it is a bad thing. However, this review is about one of... Read More »


Hana Umami Blue Moving-Coil Cartridge


In my search for the Sweetheart of the most popular phono cartridge lines, offering the highest value and top performance for the price, the Hana series of cartridges brings a powerful entry. New to the market is the Hana Umami Blue Moving-Coil Cartridge also created by the brilliant Maseo Okada of Excel Sounds in Japan,... Read More »


The iFi Neo Stream DAC - A Modern Musical Marvel for the Money!


The iFi Neo Stream network audio streamer is a sterling representation of smart audio design, boasting an open, musical delivery from a simple and compact chassis sporting clean angular lines and functional features. As such, it's a gleaming 21st Century take on form meets function, melding well with the natural and industrial elements of a... Read More »


The New Apartment Lounge: Von Schweikert Audio's Game Changing Center Stage2 "LS" 0.8 Series Loudspeaker Footers


Back Up the Loudspeaker Evolutionary Ladder Last summer I waxed enthusiastically about Von Schweikert Audio's remarkable Endeavor Special Edition (ESE) loudspeakers (HERE), one of the finest components to have graced my home during my many years as a reviewer. Compact in dimensions (an important consideration here at the Lounge), blessed with first-rate fit and finish,... Read More »


Fono Acustica FAL-2 Cable Lift


There's no getting around it, cable lifts are controversial. With so many competing designs and theories all claiming to remediate the same issues—mechanical vibrations, interactions between wires, and RFI/EMI contamination—sorting them out can make your head spin. One company says the best RFI solution is lifting the cable with a minimum of mass, coming close... Read More »


Parasound HALO JC 5 Amplifier


The Parasound JC 5 stereo amplifier has been in continuous production since 2018 and has been reviewed many times over the years including reviews in Positive Feedback. I want to be upfront that I purchased the JC 5 prior to writing this review. I made the leap of faith based on the reputation of the... Read More »


Topping E70 Velvet DAC: Bringing Delta-Sigma Playback of Native DSD to a Higher Level


Back in February, I received a series of unsettling emails from Dalibor Kasac, my contact at Euphony Audio in Croatia, telling me about a discovery they'd made concerning how ESS Pro delta-sigma DAC chips process native DSD. And that Euphony had gotten a couple of the new Topping E70 Velvet DACs that incorporated the newest... Read More »


Origin Live Gravity Weight


Image courtesy of Origin Live Audiophiles include people from a smattering of all spectra on the human scale, from the rigorously scientific—show me the data—to those who rely simply on their own experience, and those who take in others' opinions as their own. I'm largely in the second category but occasionally find myself in the... Read More »


Sweetheart of the Line: The Grado Timbre Series Reference3 Low Output MI Phono Cartridge


I particularly appreciate high-value products, so I set out to identify over-performers that are underpriced in the phono cartridge world. Simply asking the cartridge manufacturers or distributors for their recommendations yielded fascinating results for my new series of reviews. First up to bat is Grado Labs, with an upper mid-line model designated the Timbre Reference3 suggested by... Read More »


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 »


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