Tube Power Amp Reviews

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Brian Damkroger Posted: Oct 10, 2004 Published: Apr 01, 2000 0 comments
The internal battle between the head and the heart, between the analytical and romantic sides of our nature, is a difficult one. I'm an engineer, so it seems as if my cold, calculating side should have the upper hand. This is true in a lot of cases; most of my actions and decisions are based on straightforward, logical analyses. However, things like a house full of castaway dogs, or a garage full of quixotic British cars and Italian motorcycles, suggest that my heart holds sway reasonably—perhaps distressingly—often.
Corey Greenberg Posted: Sep 01, 2004 Published: Sep 01, 1992 0 comments
I dig tube amps. When all's said and done, good tube amps seem to sound more like real life than most solid-state gear; even after listening to and enjoying the hell out of musical solid-state designs like the Audio Research D-240 II and the Muse Model One Hundred, once I hook up the big VTL Deluxe 225s again it's just like going home. I could go on about timbral accuracy and clearer midrange textures, but the bottom line is, music just plain sounds better when you shoot it through good tubes, and once most people experience that magic, they're hooked.
Corey Greenberg Posted: Aug 31, 2004 Published: Sep 01, 1992 1 comments
I dig tube amps. When all's said and done, good tube amps seem to sound more like real life than most solid-state gear; even after listening to and enjoying the hell out of musical solid-state designs like the Audio Research D-240 II and the Muse Model One Hundred, once I hook up the big VTL Deluxe 225s again it's just like going home. I could go on about timbral accuracy and clearer midrange textures, but the bottom line is, music just plain sounds better when you shoot it through good tubes, and once most people experience that magic, they're hooked.
Michael Fremer Posted: Jul 10, 2004 Published: Jul 01, 2004 0 comments
Leaving aside for a moment the fact that the Wavac SH-833 costs $350,000/pair—
Michael Fremer Posted: Jun 06, 2004 Published: Dec 01, 2001 0 comments
"Moi? You want moi to review a French audio product?"
Art Dudley Posted: Apr 23, 2004 Published: Apr 01, 2004 0 comments
Most of us have at least some taste for gear that jumps out—for audio components whose sonic and musical distinctions are easy to hear from the start. In audio, unlike in the art of music itself, there's nothing wrong with being obvious.
Jonathan Scull Posted: Apr 04, 2004 Published: Jan 01, 1996 0 comments
We have to talk. Are you sitting comfortably? Is the reading light okay? Have a little something to drink at hand? (Audio is thirsty business.) The audio world is abuzz over the reintroduction of the single-ended triode amplifier. This is the first of three reviews of such amplifiers I'll be bringing you, along with two speaker systems with which to play them.
Art Dudley Posted: Mar 21, 2004 Published: Mar 01, 2004 0 comments
Anyone over 40 who's worked in a hi-fi or record store will remember the Pfanstiehl catalog, a pulpy thing that most shopkeepers chained to their counters, like a phone book. Pfanstiehl made replacement styli for virtually every record-playing device of the day, and their catalog contained page after page of tiny line drawings of nothing but phonograph needles, all lovingly rendered in three-quarter view. You couldn't browse it without being brought up short: My God, how many different needles are there? And how is it possible that a single company could tool up for so many products and still make a profit?
Jonathan Scull Posted: Feb 22, 2004 Published: Jun 01, 2001 0 comments
According to Cary Audio designer Dennis Had in this amplifier's documentation, "Countless hours were spent designing and voicing the CAD-280SA V12 stereo amplifier...It delivers high performance in a combination of class-A single-ended triode and true balanced push-pull technology."
Martin Colloms Posted: Feb 08, 2004 Published: Oct 01, 1998 0 comments
In conversation with Cary founder Dennis Had at a recent audio convention breakfast, I learned that he had a long career in electronics, specializing in military/industrial high-power radio-frequency amplification and transmitters. However, his dream was always the re-creation of single-ended tube amplifiers, especially zero-feedback designs.
Robert Deutsch Posted: 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.
Robert Deutsch Posted: May 25, 2003 0 comments
Ah, Brazil...land of coffee, the samba, Pelé, Rio-by-the-sea-o, and tube amplifiers. All right, so perhaps the amplifier connection isn't quite as well-established. But one Brazilian amplifier designer, Eduardo de Lima, has published articles in Glass Audio magazine that are viewed by many as groundbreaking, and his evolving products have been seen at various specialist tube equipment shows. De Lima—president, founder, product designer, and principal owner of Audiopax Sistemas Eletroacusticos—is an electrical engineer who started out designing equipment for a telecommunications company, but since 1995 he's devoted his talents to designing a wide range of audio products, including speakers as well as preamps and power amps.
Chip Stern Posted: Dec 22, 2002 0 comments
I'm a big believer in the notion that if you can't hear a difference, why pay for it? I also believe that the ultimate goal of any high-end system should be to simply disappear and leave the listener immersed in the presence of the music. System synergy is paramount, and how you spread your compromises around and make your tradeoffs work for you is generally more significant than how expensive the final tab is. Thank God there are still plenty of companies out there dedicated to the proposition that ultimate resolution and build quality are anything but antithetical to real-world value.
Robert Deutsch Posted: Oct 20, 2002 0 comments
Single-ended triode amplifiers (SETs) have a considerable following, but even their most devoted fans admit that its maximum power output is not among an SET's strengths. You'd be lucky to get an SET that puts out 7Wpc, and some (like those using the 45 tube) are closer to 2Wpc. Highly sensitive speakers (eg, horns) will tend to offset the power limitation, and SETs usually sound more powerful than their measurements indicate, but the laws of physics still apply: 2W is 2W, regardless of the kind of amplifier that produces it, and an amplifier's manner of clipping and recovery from overload take us only part of the way toward achieving greater volume.
Paul Bolin Posted: Sep 22, 2002 0 comments
There's something special about big tube amplifiers. No other audio component has such a primal appeal or can so quickly reduce grown (?) audiophiles to Homer Simpsons sighing, "Mmmmm...toooobs." EveAnna Manley, president of Manley Laboratories, understands the effect of high-powered tubes on the audiophile brain and shares the obsession. A Harley rider, mountain climber, and devoted music lover, she is one of the industry's most individualistic characters. You just have to appreciate a gal who ends each CES by blaring Rage Against the Machine at top volume.

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