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During my career with AT&T Bell Laboratories, I had many opportunities to visit some of the finest higher education institutions in the country. My focus was on central office switches for voice and data services—typically purchased and utilized by regional telephone companies for medium to large cities and urban areas. Of course these elite Universities... Read More »

Dr. David W. Robinson, Yarlung Records, and DSD   David W. Robinson, enjoying some holy smoke of a recent afternoon. Photograph by John W. Robinson…yes, one of my sons, who was also enjoying a fine pipe! Bob Attiyeh is the President and Chief Producer-Audio Engineer at Yarlung Records. He has just released an article talking... Read More »

Power cords are a specialty within the category of audiophile connectivity that is mighty important. Those supplied with the gear, regardless of price, are merely included to allow the equipment to meet specifications and light the LEDs. They are best discarded and upscale cords should be used to tune your system for maximum performance. I... Read More »

A Little Background It's safe to say that mentioning John Tucker's eXemplar audio to an audiophile is likely to get one of three reactions. The most likely reaction is a blank stare accompanied by the questions "Who?" and "What?" There's a smaller group who hears the name and asks, "That guy with the big horns?"... Read More »

I would have called this a Quicky, but lets bump it up to a First Look in honor of Astell&Kern's top effort to date to create a network server, ripper, and ultimate headphone station and more! This powerful digital device has graced my big reference system for two weeks and here is what I heard.... Read More »

There's just something musically magical about the performance of idler-wheel Garrard transcription turntables that keeps me fascinated with them. Certainly the vintage Garrard 301 represents a beloved milestone of turntable design that remains enduringly popular with hi-fi enthusiasts to the present day, and who, like the 1956 Garrard advertisement below suggests, have concluded that Garrard... Read More »

John Ulrick on the cover of Positive Feedback, Vol. 6, No. 4, 1996 Today I mourn the passing of a good friend and one of the men who helped found the high-performance audio industry, John Ulrick. Hired as a Circuit Design Engineer at Litton Industries right out of college to work with the Air Data... Read More »

I wrote a rather extensive review relating my experience with the DEQX Mate in Issue 67  where I quite succinctly reported how wonderful the unit was in making ALL things better with respect to my music. While you are certainly welcome to read the whole review, the key to what the DEQX does when properly... Read More »

So here we have the Beethoven loudspeaker cables from Skogrand that at $22K are something I tend to never review. Actually make that never ever ever review. Just not at a price point that I am comfortable with, or one that I would ever consider as a purchase option—and yes, even with an industry accommodation.... Read More »

The Woo Audio WA7tp and the Future of Two Channel Home Audio "It's just a kiss away It's just a kiss away" —"Gimme Shelter" by The Rolling Stones A while back, I wrote that the Woo WA7 high-resolution DAC and all-tube headphone amplifier was possibly the most linear combination I'd heard, particularly for a combined... Read More »

I might as well come out and admit it. I've been a big fan of Oppo Digital and their product lines since I first tried them out, years ago now. I think that I've been through almost every one of their players from way back when. That would include the DV-983 DVD/audio player…don't think that... Read More »

"I don't know where I'm gonna live I don't know if I'll find a place I'd have to think about it some And that I do not wish to face I guess I'm counting on His Divine intervention" —"Divine Intervention" by Matthew Sweet I was looking at the Berkeley Audio Design's new reference DAC via... Read More »

I've really had a lot of fun listening to vintage McIntosh vacuum tube audio electronics in my hi-fi system over the last year. The McIntosh MX110Z tuner/preamplifier, the MC30 monaural amplifiers, and the MC225 & MC240 stereo amplifiers were available as new products during the time period between 1954 and 1969, depending on the model,... Read More »

Julian Hirsch was co-founder of Hirsch-Houck Labs, which for many years was the leading test organization in the HiFi industry, and provided the technical analysis for quite literally thousands of reviews in the mainstream audio and electronics publications of the time. In all of his writings for everything he wrote for, even his monthly "Technical Talk"... Read More »

With my forays of the last few years into computer-based audio, I've really come to appreciate the lowly compact disc. Even though the prevailing logic would tell me that they're on the way out—very much like LPs were on the way out when the CD appeared in 1981, right? I think just about everyone has... Read More »

Cookie Marenco of Blue Coast Records and Dominique Brulhart of Merging Technologies at the Rocky Mountain Audio Fest, 2014 (Photograph and processing by David W. Robinson) [By way of introduction, Cookie Marenco just recently took David Pogue, a long-time mainstream audio/technology writer, and now at Yahoo, to task for his evident cluelessness about high-resolution audio.... Read More »

Yes, I've used the same Linn LP12 turntable since 1984. It was a big deal for me, buying it back then, for a few reasons: At $1370, including the Ittok arm and Valhalla power supply, it was fairly expensive at the time. It certainly was a lot of money for me, being just four years... Read More »

Been awhile since I have had either the time or the desire to sit down and write about audio—let alone even spend much if any time listening to music. Too many personal and other things have happened this past year or so that have consumed all my time and energy. So most days my music... Read More »

"A smile like the cartoon, tooth for a tooth you said that irony was the shackles of youth you wore a shirt of violent green, uh-huh I never understood the frequency, uh-huh" —"What's the Frequency, Kenneth?" by REM As Slim Pickens' character says in the film Dr. Strangelove, "Well, I've been to one world fair, a... Read More »