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Tube Preamp Reviews

PrimaLuna ProLogue Premium line preamplifier

Herb Reichert First Published: May 25, 2017
Everyone knows that world-class analog and digital sources are the bedrock of all fine audiophile systems. Everyone also knows that a happy relationship of amplifier, speakers, and room makes audiophiles smirk Aren't I lucky? Fewer among us are aware that the upper limit of sound quality an audio system can deliver will be established by whichever audio contraption we use to select our sources and adjust their volume.
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PS Audio BHK Signature preamplifier

Jim Austin First Published: May 23, 2017
"Let be."

Those two words, from Shakespeare's Hamlet, express an entire philosophy of life in one of the shortest sentences possible. The quotation may not be familiar, but the concept certainly is—contemporary equivalents, each with its own inflections of meaning, include: Shit happens. Let the game come to you. Keep calm and carry on. (I hate that one.) Paul McCartney wrote something similar, and only slightly less concise, in a late Beatles song.

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Audio Research Reference 6 line preamplifier

Michael Fremer First Published: Nov 23, 2016
The last time I reviewed an Audio Research component—it was the VTM200 monoblock amplifier in January 2001—my hair was mostly dark brown. The wait since has been not of my choosing, but that's now flux under the circuit board. Since then, much has happened to both me and to the Audio Research Corporation, a long-lived company for which the descriptor "legendary" is well deserved.
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Rogue Audio RP-1 preamplifier

Herb Reichert First Published: Jul 28, 2016
Pulitzer Prize–winning poet Mary Oliver famously remarked, "attention without feeling . . . is only a report."

After nearly two years of prattling for Stereophile, I am finally grasping the full veracity of that statement. When I read reviews that jabber on about highs, mediums, and lows, and that rely exclusively on nonmusical vocabulary, I come away with feelings of acute cognitive dissonance. Not to mention: if a review has a lot of initialisms—ADD, S/PDIF, DXD, HDMI, etc.—my ADHD kicks in and I stop reading by the third paragraph.

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VTL TL6.5 Series II Signature line preamplifier

Fred Kaplan First Published: Jul 28, 2016
When I first met Luke Manley, proprietor of VTL, he and his father, David, with whom he ran the company at the time, had recently emigrated from the UK to California. I asked Luke how he liked the West Coast. "Great," he replied. "Much better parts availability." This was about 30 years ago, when I was just immersing myself in high-end audio at a high-toned level. Our exchange gave me a taste of the obsessions ahead, though Luke Manley's single-mindedness through the decades since has been more dogged than many—and, at the same time, less dogmatic.
Audacious Audio Tube Preamp Reviews

Balanced Audio Technology Rex II line preamplifier

Fred Kaplan First Published: Dec 30, 2015
A quarter-century ago, when we were just getting into wine, my wife and I took a trip to Napa Valley. At one premium vineyard, we took a taste from the $20 bottle, then, for the hell of it, a taste from the $50 bottle. The first taste was nice; the second was alarming—an explosion of flavors, a gateway to sensory delights that we hadn't known could be had from a barrel of crushed grapes. We wobbled away, concerned that high-end wine might be a dangerous hobby.
Audacious Audio Tube Preamp Reviews

Valve Amplification Company Signature SE preamplifier

Robert J. Reina First Published: Jun 05, 2015
For me, the highlights of any audio show are finding a room with great sound and visiting it often throughout the show, to relax and absorb a wide range of great music. At the NY Audio Show in April 2012 in New York City, it was the room occupied by the Valve Amplification Company. There, I fell in love with the sound coming through the Signature Mk IIa line-stage preamplifier, and remembered that while I'd heard many VAC products at audio shows over the past two decades, and had enjoyed the sound every time, I'd never had a VAC product in my house. I requested a review sample.
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Lazarus Cascade Deluxe preamplifier

Dick Olsher First Published: May 01, 1989
The Lazarus, a slim, quite elegant unit finished in black with red and gray legends, lived up to its advance billing: it literally rose from the dead! Out of its coffin (ie, shipping box) and plugged into the wall, it showed no signs of life. Troubleshooting revealed a blown AC mains fuse. That in itself was not a major problem, but what worried me was the root cause of the trouble. Preamplifiers as a rule are not power-hungry, so a current surge at turn-on sufficient to destroy the 250mA slow-blow mains fuse appeared symptomatic of a major circuitry failure.
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Luxman Classic CL-38u preamplifier

Art Dudley First Published: Apr 23, 2015
If you look at it from a distance and squint a little, Luxman's Classic CL-38u preamplifier ($4200) could almost be mistaken for that most classic of all classic hi-fi products, the Marantz Model 7C control center. The aluminum front panels of both models have, at their centers, a row of four distinctive toggle switches, flanked on each side by four control knobs. Even more noticeable are the stylish wood enclosures—standard on the Luxman, optional on the Marantz—which make both preamps appear ready for duty at the Playboy Mansion, ca 1963, or perhaps an appearance in a Life photo essay titled "At Home with Steve McQueen."
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