Tube Preamp Reviews

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Wes Phillips  |  Apr 03, 2005  |  First Published: Nov 03, 1998  |  0 comments
They say you never forget your first time. For me, it was an Audio Research SP-6B that had been heavily modified by Analogique in NYC—which meant, among other things, that yellow capacitors shunted other yellow capacitors all the way up to the top plate. That first taste of the High End—prior to that, you might say my face had been pressed against the window—was definitely love at first listen. That SP-6B was warm yet detailed, and I ended up building a system around it that at least one friend described as a huge musical wet kiss.
Wes Phillips  |  Mar 13, 2005  |  0 comments
The spirit moved upon the earth.
The rocks cra'ked asunder,
Darkness smote the light,
Seas boiled away with a thought,
And all life was extinguished.
Art Dudley  |  Jun 27, 2004  |  First Published: Jun 01, 2004  |  0 comments
The first time I heard an Audio Note preamp was seven or eight years ago, when I sampled their entry-level M1—a refreshingly musical thing that brought the same kind of color and drama to preamplification that Audio Note's more famous products brought to the driving of speakers. And the M1 cost only $1250 at the time, with phono stage. (Newcomers, please don't wince: That's awfully cheap for what it was.)
Kalman Rubinson  |  Jun 19, 2004  |  First Published: Jun 01, 2004  |  0 comments
When PR guy Adam Sohmer first told me about the Fosgate Audionics FAP V1, I thought that the impressive-looking device would be the first all-tube preamp-processor—heck, the first tube anything—in my multichannel system. Then I looked closer at the user's manual I'd downloaded from Fosgate's website. Hmmm. No Dolby Digital, no DTS—just Dolby Pro Logic. Of course, the FAP V1 is Jim Fosgate's signature expression of Dolby Pro Logic, and I guess that counts for something. But the more I thought about it, the more interesting a prospect the FAP V1 seemed.
Jonathan Scull  |  Jun 06, 2004  |  First Published: Dec 01, 1999  |  0 comments
I suppose that most high-end designers dream about making a Statement Product—their best effort, without regard for price. Victor Khomenko, majordomo of Balanced Audio Technology, got the bug and came up with the VK-50SE. This hugely full-functioned line-stage preamp derives its Special Edition (SE) moniker from the eight hot-running, super-hush-hush Russian 6H30 Reflector SuperTubes that populate the circuit board.
Michael Fremer  |  May 30, 2004  |  First Published: Dec 01, 1998  |  0 comments
"It costs as much as a car—and not a used jalopy, either." That's what goes through your head as you contemplate this magnificent $20,190 piece of audio jewelry. I don't mean "jewelry" pejoratively; the tubed Jadis RC JP80 MC Mk.II is a gorgeous, gleaming hunk of retro-looking machinery. Two hunks, actually: an equally large remote power supply is connected via an umbilical cord terminated with an elbow connector the size of house plumbing.
Art Dudley  |  Feb 22, 2004  |  First Published: Feb 01, 2004  |  0 comments
I had it all wrong. I assumed that the "SLP" in SLP-98P stood for stereo line preamplifier. But Dennis Had, Cary Audio's founder and chief designer, told me that it actually stands for sweet little preamplifier. In a day and age when acme is a word without meaning and the fighting Irish are neither, this strikes me as a risky marketing gambit—but one that may be effective if the name proves true.
Michael Fremer  |  Feb 01, 2004  |  First Published: Jan 01, 2004  |  0 comments
Thoughts of power, domination, and audio road-rage enter one's mind when contemplating Musical Fidelity's SUV-like, limited-edition, 20th-anniversary offerings (footnote 1). (Only 75 sets of kWPs and kWs will be made.) The gleaming, brushed-aluminum, two-box, oversized, overweight Tri-Vista kWP preamp is fortress-like—the "kWP" looks as if chiseled into the faceplate by grimy, sweaty hands. Each of its boxes weighs almost 56 lbs. The unit's milled-aluminum remote control, the size of a Volkswagen Microbus and looking like something Fred Flintstone might wield, must weigh over 5 lbs. The kWP outputs more juice than many power amps: 55V, with 20 amps of peak-peak instantaneous current!
Paul Bolin  |  Dec 07, 2003  |  First Published: Nov 01, 2003  |  0 comments
Rudyard Kipling said that "never the twain shall meet." He was speaking of East and West, but in the world of audio, his adage has most often been applied to what has been the traditional chasm between the sounds of tubes and solid-state. Tube advocates thump the tub for the timbral and spatial glow, the absence of harsh, odd-order harmonic distortions, the harmonic completeness and holistic spatiality that only fire bottles can provide. Solid-state advocates point out the superiority of their preferred gear in terms of bass depth, power and control, low noise, and ultimate detail resolution. That chasm between the characteristic sounds of tube and transistor has narrowed appreciably in the latest generations of gear, as each type of circuit has become capable of embodying some of the other's trademark characteristics. But between the camps, friendly competition continues.
Paul Bolin  |  Oct 12, 2003  |  0 comments
What comes to mind when you think of VTL? If you're like most of us, enormously powerful tube power amplifiers are inseparable from the name. To contemplate VTL is to think of some of the finest-sounding, most potent amps ever built—from the late-1980s, 400Wpc Ichiban, the first massively powerful tube monoblock of the audiophile era, to the mighty Wotan and Siegfried amplifiers of today. All well and good, as far as it goes.
Robert Deutsch  |  Aug 17, 2003  |  0 comments
For those who frequent the audio discussion groups on the Internet, the method by which Stereophile selects products for review seems to be a continuing source of fascination and conjecture. Supporters of fledgling manufacturers—whose products these Webcrawlers just happen to own—rail against the rule that products to be reviewed in the magazine must have at least five US dealers. Some suggest that Stereophile's selection of review products is all about catering to advertisers and friends in the industry, a process that seems intended to exclude their favorite products from consideration.
Chip Stern  |  Jan 26, 2003  |  0 comments
Rogue Audio's Magnum Ninety-Nine tubed preamplifier is derived from the original Rogue Sixty-Six that I reviewed in October 2000. The Sixty-Six was designed to offer consumers a taste of high-end performance in a vacuum-tube line stage. By constrast, the Magnum Ninety-Nine's pedigree is pure audiophile, with a more sophisticated mu-follower circuit topology aimed at the purest expression of performance.
Chip Stern  |  Nov 24, 2002  |  0 comments
Over the course of several months, during which time I auditioned the Vacuum Tube Logic TL-5.5 tubed line-stage preamp with a variety of power amps and loudspeakers, I began to reassess many long-held notions about the "characters" of solid-state and tube components. Sometimes the TL-5.5 revealed its musical pedigree with all the midrange juiciness and sublime textural detail that one traditionally associates with a triode front-end, while at others it evinced a level of focus, transparency, and frequency extension I more readily associate with solid-state purity—all in a stylish package featuring a remote volume control and a full range of performance enhancements that belied its affordable price.
Kalman Rubinson  |  Nov 24, 2002  |  0 comments
Unpacking and installing a new component is always cause for excitement, even if one does it with almost mechanical regularity, and the anticipation is greater when the component is from a manufacturer of almost mythic reputation. So when John Atkinson asked if I'd like to audition Nagra's new PL-L preamplifier, I feigned calm as I accepted the assignment, even while remembering those years in college radio when I had to schlepp big Ampexes and Maggies. The sexy, portable Nagras were the stuff of dreams. Finally, I thought, I'd get my hands and ears on one.
Brian Damkroger  |  Oct 03, 2002  |  0 comments
I had a wonderful audio moment the other night. It was late in the evening, after a long day. I was standing in the middle of my makeshift listening room—Trish's dining room—and in spite of the fact that we were moving in just a few weeks, I'd just unpacked and set up my combo of VPI TNT Mk.V-HR turntable and tonearm with Grado Statement cartridge and dug a box of LPs out of the stacks in the garage. I cued up Dave Brubeck's Time Out (Columbia/Classic CS 8192), and the first notes of "Blue Rondo à la Turk" froze me in my tracks.

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