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McGary SA-1 Vacuum Tube Stereo Amplifier


Okay everyone! Time for the obvious disclosure! How could I not want to review an amplifier that emblazons my name right on the front of the amp in such fashion? Just ignore that Mc part. This is truly a Gary amp! I was a bit surprised when the unit showed up at my door as... Read More »


World Premiere Review:  Andros Deluxe Vacuum Tube Phono Stage from Zesto Audio


With six Zesto creations under my reviewing belt, I believe I have a good idea what each do well, and how each ranks in the high-end audiophile pantheon. I rarely keep gear, but the Zesto Allasso became a welcome addition to my vinyl playback earlier this year. That said, I was bowled over by the... Read More »


Luxman LX-380 Integrated


The image above is presented as proof of my credentials for reviewing vacuum tube integrated amplifiers. The photo of my younger son was taken two decades ago sitting next to the Air Tight Acoustic Masterpiece M-101 integrated amplifier (audioMusings Issue 6, 1998 HERE). The infant is now a grown man and moved on to pursue his... Read More »


ESS 422H Headphones – A Quick Take


David Williamson, with additional comments from David W. Robinson Some days it's tough being the source for headphone recommendations among my friend group. First, there's an overwhelming amount of digital advertisements for "premium" and "cutting-edge" headphones crowding everyone's Facebook, Twitter and Instagram feeds that one must contend with. Every social-media-derived question seems to be about... Read More »


Second Report:  The MAG-LEV ML1 Levitating Turntable


It's time for an update on the MAG-LEV ML1 levitating turntable. You'll find my world premiere review HERE. After four months in heavy use and with my modifications on board, I am pleased to report that the ML1, for all its novelty and glamour, is also a high performing, exceptionally musical turntable, even for the... Read More »


The Bergmann Audio Odin Linear Tracking Tonearm


The Odin currently marks Bergmann's flagship in their range of air bearing tonearms. Head of company Johnnie Bergmann did not design it specifically for one of his turntables, but as a tonearm that is intended for universal application also on turntables from other manufacturers. Whilst visiting the company's headquarters in the Danish town of Hobro... Read More »


Improved Digital Conversion the CH Precision HD Upgrade


What's New? I've calculated that every time I leave my apartment, it costs me $50 on average. In an odd way, that makes me feel patriotic, like I'm doing my bit to keep the consumer economy humming. Doesn't it make me a good citizen? It was late summer and the doldrums had set in, so... Read More »


Magnum Dynalab MD 109 SE FM Tuner


  A tuner can deliver to the ardent music lover a huge selection of live and recorded music from a myriad of musical genres and can be educational and unwaveringly pleasurable invented in 1933 by engineer Edwin Armstrong, wide-band FM is used worldwide to provide high-fidelity sound over broadcast radio. FM broadcasting is capable of... Read More »


AGD Production Vivace GaNTube Monoblock Amplifiers


I hear this term thrown around loosely... "disruptive product," sometimes appropriately used... however in this case, we have a winner. I've been on a mission lately, unintentional as it may seem, to be reviewing Class-D based amplifiers. Talk about a dirty word. I've had so many in an out of here, my head is spinning.... Read More »


Zu Omen Tweeter and Capacitor Upgrade - A Stunning Improvement in Clarity


I've had the "Dirty Weekend" version of the Zu Audio Omens for almost five years now; retailing for right at $1K USD, they're the least expensive way to taste the Zu experience. Zu has a very liberal upgrade and trade-in policy; they're constantly improving the technology of the drivers and cabinets they employ. The "Dirty... Read More »


Peter Ledermann is the Artisan Smithy of Sound, Part 3: The Soundsmith MMP3 Mk II Phono Preamplifier!


If you read Parts 1 and 2 of my Soundsmith review series in Positive Feedback Issue 98, where I wrote about the new Carmen Mk II (HERE) and new Zephyr Mk III (HERE) phonograph cartridges, you know that I found Peter Ledermann's designs to be among the most musically satisfying phonograph cartridges I have ever... Read More »


Silent Running Audio – Virginia-Class Reference isoBASE™


The Virginia-Class Referenceαε isoBASE™ is Silent Running Audio's (SRA) statement platform for vibration abatement, isolation and sound reinforcement in audio source and electronic components. SRA CEO Kevin Tellekamp describes it as "the culmination of what we've learned over 30 years in the design and manufacture of vibration and acoustical solutions for the aerospace, military, electronics... Read More »


The Volti Rival Loudspeakers - Horns for the Common Room


For some time, I've desired to experience a true horn-loaded speaker. But it wasn't until Volti Audio a.k.a, Greg Roberts, introduced the Rival that I considered requesting a review. I had heard Mr. Roberts' beautiful horn speakers several times, and they had always impressed me. But it was this smaller footprint Rival hybrid horn speaker... Read More »


ESS Laboratories 12" AMT Series Loudspeakers


Part 1 - The Review You know, it's not every day you get the opportunity to review something as legendary as the ESS speaker. It reminded me of my journey with Jantzen speakers long ago, it can be a tad intimidating as there is just so much rich history about the brand that you want... Read More »


The Crimson Stradivarius Cartridge - From the Hands of A.J. van den Hul


What a treat! To have A. J. van den Hul, the Maestro, personally build a cartridge for review... a cartridge with a treated lacquer finish done three times over many months for proper drying. The lacquer is the precise replica of the lacquer used on the historic Strads, as in violins not cartridges, and flavors the music just... Read More »


Manley Absolute Headphone Amplifier - Premiere Review (Updated Price)


The three available finishes of the absolute:  copper, black, and silver (image courtesy of Manley) Let us just cut to the chase! I have reviewed countless headphone amplifiers and the Absolute is absolutely the most elegantly designed, intensely musical, and extremely flexible of them all! Add in the superb remote and it’s game over. Provided with... Read More »


Furutech NCF Booster Products


Makeshift towers of stacked maple or walnut wood flooring samples support the wires to my amps Take a look at my gallery of homemade cable supports. What a mess! I am embarrassed to show it. With a mid-six figure investment in gear, this is the best I could come up with? I've been looking for... Read More »


JICO Seto Hori Cartridge


The Nippon Precision Jewel Industry CO LTD is typically referred to as JICO, a company many analog hobbyists are familiar with. JICO has a long and distinguished pedigree in the field of manufacturing, as it began producing steel sewing needles for the kimono industry 140 years ago, and diamond tipped phono cartridge styli in 1964.... Read More »


MAG-LEV Audio ML1 Levitating Turntable: U.S. Premiere Review [UPDATED]


Disruptor! The MAG-LEV Audio ML1 Levitating turntable is a disruptor! Are you surprised? I own one of six Paravicini magnetic drive turntables in America. It does not levitate, but it is quiet and astonishingly open and life-like. ML1 as delivered: Signal to noise ratio -73dB! Way better than your turntable? Why? It has no motor!... Read More »


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