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This time we got for a review the anti-vibration feet of the German company Finite Elemente, Ceraball and Cerabase Classic models. This brand is one of the precursors among specialized firms fighting against unwanted vibrations, which with these products returns to the market after a few years absence. We published an interview with the current... Read More »

The new 1.5-inch tall Critical Mass Systems CenterStage2 footer packaged with two different thickness of shims, provided to assure the best possible contact. I've honestly no idea why I was so surprised to hear from Critical Mass Systems' Joe Lavrencik this past July asking if I'd like to audition the "new" CMS CenterStage2 footers. He... Read More »

After I had such a positive experience with the Gingko ARCHs vibration control devices, Vinh Vu of Gingko asked me if I'd like to listen to the latest addition to the ARCH line, the ARCH Platform. It took me about a millisecond to say "yes, please." The ARCH Platform is an attractive, low-maintenance vibration control... Read More »

When this review offer came from Norman Varney's company, AV RoomService, Ltd., I knew Norman from the Facebook experience, and I knew that he worked with custom audio installations that appeared to me to be fairly high-end. He seemed to me to be a really nice, knowledgeable guy, and I enjoyed seeing photos of some... Read More »

Marc Phillips has been doing music reviews for Positive Feedback for quite a while now. In the interest of full disclosure, he is also a distributor (Colleen Cardas Imports), and has a separate life selling fine audio gear. You'll want to keep this in mind as you read his comments...but his evaluation dovetails exactly with my... Read More »

The workhorse of the Stein Music tweaks has been, and continues to be the Stein E-Pad, a truly excellent and predictable way of precisely dampening vibration in critical components and speakers. The E-Pad put Stein on the map in America and opened the door wide for his ingenious components and other system controls, like the superb Harmonizers. Though... Read More »

At the last Diana Krall live concert I attended, I happen to be seated next to an elderly woman who took great pleasure in singing, with all abandon, along with Ms. Krall for most of the concert. What made it worse was that she seemed to be quite tone deaf and sang totally out of... Read More »

The game-changing Critical Mass Systems Center Stage footers, one 25mm, and one 20mm, tall I've been using and experimenting with footers since their very genesis back in the summer of 1983, which saw the introduction of both the Sorbothane™ footed Mission Isoplat and Steve McCormack's machined aluminum ModSquad TipToes, but the Critical Mass Systems Center... Read More »

The van den Hul Extender in place on top of the Evolution Acoustics MM2 Loudspeaker From time to time I've roiled the tempestuous waters of high-end audio…rough enough already, without additional help from me…with favorable observations about my experiences with various system-enhancing components. Lord knows, I've patiently endured the shouting so-called "objectivists," who assert that... Read More »

Yayuma Audio, a company whose sound processor we wrote about in the February issue of High Fidelity (No. 154), was created out of passion and on the basis of knowledge. These two elements are something normal in the audio industry, but not necessarily in a combination. There are a lot of enthusiasts, indeed—what would a hobby... Read More »

Ripping CDs is a job that's easy to put off.  "Honey, what's the plan for these CDs?" my wife says sweetly. I may be a little obtuse at times, but even I speak enough Spouse to know that what she really means is, "When are you going to get off your duff and do something... Read More »

This article, by Clark Johnsen, originally ran when Positive Feedback was in print - Volume 8, Issue 2, 1999 I. In The Beginning Was The Tone The amiable, estimable John Marks (or is that, inestimable?), before appearing on the cover of our previous issue, addressed in TAS #115 the vital topic of how to engage (or is that,... Read More »

The Bybee iQSE (photograph courtesy of Bybee Technologies) iQSE Disks or Quantum Signal Enhancers by the legendary Jack Bybee is quite a tweak at an affordable $150 per 4 inch x 2 inch disk. You can read a full report on these from Larry Cox in Positive Feedback. I found all new uses for these that I feel... Read More »

The Rogoz Audio website shows no less than 23 anti-vibration rack models and that doesn't include the latest series. Some of them are versions of the same model, a wider one or featuring more shelves, but still, it's a large number. Mr. Janusz Rogoz's company, since 2010, when it was founded, has gone a long... Read More »

The bad is a magical space Whispers screams and laughter There is room for happiness There is room for sin It's an island of pleasure A sea of loneliness It's a place of birth And a door to nothingness Olga Jackowska, Łóżko in: Maanam, Łóżko, Kamiling Co. | Pomaton EMI 852718, CD (1996) Let's replace... 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 Bruce Kinch, originally ran when Positive Feedback was in print - Vol. 6, No. 5, 1997. An Introduction The name at the head of this article is probably unfamiliar, as this is my first contribution to Positive Feedback, so perhaps I should include a few words about myself. I started patching together audio... 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 »