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It was about fifteen, sixteen odd years ago that I fell into the "vinyl" trap. Sure, growing up mom and pop had records, mostly of the classical Deutsche Gramophone variety; my ten years older brother had vastly greater selections diving into classic rock, some jazz and avant garde pop, but even he probably never made... Read More »

Acoustic Revive was founded in Japan in 1997 by Mr. Ken Ishiguro, who is the design genius behind the innovative and ultra-quality Acoustic Revive products. Like many hi-fi enthusiasts, Ken-san's interest in audio arose through his love for music as a youngster. Ken-san told me, "I was listening to the Beatles when I was fourteen... Read More »

This article, by Doug Blackburn, originally ran when Positive Feedback was in print - Vol. 6, No. 4, 1997. There is so much stuff going on here lately I'm beginning to think I could write a 1-man magazine. But that might not be as interesting as PF's Assembly of the Diverse so I'll compress my thoughts... Read More »

Jack Bybee's iQSE or internal Quantum Signal Enhancer (iQSE) differs from the AC Purifiers I wrote about last month. As you'd expect the signal from your component runs through the AC Purifiers. It is with some bother I note no signal passes through the iQSE, it neither plugs into anything nor does anything plug into... Read More »

The focus of this review is to contrast the Sonore microRendu and Signature Series linear power supply with affordable power supplies from Channel Islands Audio and iFi Audio, in a Roon-based headless environment. But before we get into that, a brief summation of the recent past: from the point when I first came in contact... Read More »

Stein Music's "The Perfect Interface" Carbon Signature Resonance Control mat in place on our EMT 948 turntable. Every now and then I receive a product whose benefits are so obvious, and whose design is so straightforward that there's no point in holding back or trying to write an extended essay. It isn't a complicated call,... Read More »

As Joe Walsh would say, I'm an ordinary, average guy. While I've got some very nice gear, the room itself has been neglected. I'm sure it has modal ringing, uneven frequency response, and sucky suck-outs. This chamber of audio horrors is stuffed with a mishmash of unmatched furniture, as well as several bottles of excellent bourbon;... Read More »

Audio Vault USA is a relative newcomer to the world of audio equipment racks designed for use in high end systems. Audio Vault USA was founded a year ago by Dave Vincent. Dave is the President of Audio Vault USA and Dave is a mechanical engineer.  Dave and James Wall who works for Audio Vault... Read More »

Usually, I come to a review with foreknowledge about a product and a set of basic expectations. In this case, I had no first hand prior exposure to Furutech or experience with high-end power receptacles. A very long time ago, before cell phones and audio websites, I replaced the original duplex of my typical post-war... Read More »

This review is short, and to the point. And yeah, yeah, yeah. I know. This is something really different, and what does a label printer have to do with high-end audio, anyway? Well, the connection is actually pretty clear once you think about it, and realize what the Epson LW-600p does in a particular application.... Read More »

You would be surprised if you actually measured your turntable's platter. It may be several RPM off and you didn't even know it. I started to get suspicious when I was listening to some music and the pitch just seemed a little off. I'm guessing not everyone has the ability to discern a pitch-shift but... Read More »

I like the idea of resonators as a prescription: Take one a day to keep the shakes away. Ha! Not quite, just me being silly. Seriously though, they are a sonic purgative. The actual prescription is to put them at strategic points on your components to prevent vibrations or mechanical energy from doing mischief. As... Read More »

I'm no longer responsible. I've relinquished control—the system has taken over. I'm only along for the joyride, afforded aural thrills on a regular basis that are beyond what I could have imagined only yesterday, as the system spirals ever upward in its willful pursuit. Ah, yes, there's no doubt about it. We're in a Golden... Read More »

By way of background I have been on the digital bandwagon for well over five years now and the first steps of "my" journey directly correspond with the purchase of the Cary 306 Professional SACD/CD player. At the time I reviewed this player (and subsequently purchased it) I expected it would be the last CDP... Read More »

It's interesting, to wonder about the electricity that enters your home, and the overall effect it can have on your audio reproduction system. I think most people put it "out of sight out of mind," as they may feel there isn't anything they can do to improve upon it, but there is. Just like tap... Read More »

KLaudio has introduced several significant functional and cosmetic improvements to their highly acclaimed ultrasonic record cleaning machine since my original report back in the September/October 2013 issue of Positive Feedback. Included among the many changes are: The top loading record cleaning slot and the fill port for pouring the distilled water into the tank are... Read More »

Talking About Power Distributors (With a response by Jim Merod) Every time I'd get in a new power product, Joe Kubala would come over to check it out. And always, after assessing it, the same question lingered in the air: when—not if—would we see a Kubala-Sosna Power Distributor? During the five years it took to... Read More »

"No man ever steps in the same river twice, for it's not the same river and he's not the same man." – Heraclitus That's how I feel about most things in life; I appreciate the subtle differences and I don't like to experience the exact same things over and over. While I certainly have my... Read More »

It was with great pleasure that I unpacked the newest isolation board from Janusz Rogoz, which is marked as the 3RP1/BBS. Large and heavy, employing the BBS (Balancing Board System) and nicely done, it is an idea developed by the business owner for quite some time now. I perfectly remember my first contact with the... Read More »