The GKrellM (Gnu Krell Monitors) computer-monitoring package commemorates the image of Krell technology as portrayed in Forbidden Planet. We have a complaint here though. The Absolute Sound team is proud to highlight Martin Logan and Paradigm, known for loudspeaker innovation. If it isn’t at least very goodand very reliable over time, a product is at most worth about a three-sentence dismissal. This gear is good enough to tell you much more about the production problems and values in source material than about its own limits. Given the past history of Krell products being able to drive low-level impedances, these figures are believable. Krell’s history is rich with breakthrough Class A amplifiers that have helped build the company’s legacy of offering what we feel to be the best-sounding amplifiers available. It smacks more of hearing damaged by too many loud concerts and listening sessions to sonic spectaculars at room-blasting levels. Krell announced the most revolutionary design change in its 33-year history: iBias, a patent-pending new technology that uses the Class A circuitry preferred by audiophiles yet consumes far less energy than a traditional Class A amplifier does. These units are still considered to be one of the best high-end amplifiers ever built in the history of high-end audio. Krell CHORUS 5200 XD 5-Ch Power Amp with iBias Tech. As for compatibility, I should note that the combination of the Evolution One and Two and the new Krell LAT- 1000 (review forthcoming) produced an impressive synergy with a slightly warm, mid-hall mix of timbre and soundstage characteristics that suited a very wide range of material. Showing 1-10 of 39 [Jul 29, 2016] Doug. The company has a rich history of product introductions, each transcending mere ‘latest model year’ status by deeply impacting the high-end audio industry. The Emotiva has never lacked the punch that I'm looking for to run highs AND lows, however, I'd like to experiment with softening the highs by utilizing another brand amp. To hear that the duo is still formidable 30 years later is as revelatory as my initial exposure, in that the experience is an indictment of all that has happened since:  The combination would still earn a 5-star rating today from any listener who is free of prejudice. The preamp and amp match each other exactly in sound character, and the result is as intensely musical as the source material and the rest of the system permits. The front panel comprises simply an on/off switch and an LED to indicate when the power is on. It possesses all of the qualities that we demand in modern equipment, including speed and attack, clarity and transparency, and—if not so much with the Scintillas—a sense of limitless power and unharnessed dynamic contrasts. Simply put, the early Krells were the only amps available that could deal with the 1-ohm impedance of the full-range ribbon Apogee speaker. The band’s claps and “hey-hey” chorus stand proudly stage right; the sizzling fuzz guitar stage left. The older Krell amps did have a more pronounced bass slam, than the newer XD amplifiers, the newer XD amplifiers have a far greater sense of involvement, midrange liquidity, and sense of space, than the original designs. The Evolution One is the ultimate realization of this design philosophy. The K-330i is a beast of a beauty made of thick aluminium front and sides and weighing in at a hefty 23.6kg. The truth is, however, that no two reviewers share the same taste or define absolutes the same way. Quite frankly, I can’t think of any good electronics I’d use with such a speaker or why anyone would conceive of using state-of-the-art electronics with some idiosyncratic candidate for the audio rubbish heap. Product: Krell KAV-250a Stereo Power Amplifier; KAV250a Product SKU: 24691 Serial Number: 8897110549 Voltage: 100V - 120V Cosmetic Description: 7/10 Very good cosmetic condition with some minor visible cosmetic wear including a few spots of barely visible white residue on the front, and some small scratches at the back of the top cover, which were covered with black marker. Aesthetically, the KSA-50 is an amp of the “functional” school. You choose because it is a personal passion—if not an obsession—and because you are lucky enough to be one of the handful of people who really can afford the very best. As is the case with many of today’s best high-powered amplifiers, the Krell Evolution One provides an amazing amount of musical life and detail. The sheer breadth of Krell amplifiers’ dynamic range […] In saying this, I am not trying to imply that the Krell Evolution preamp and amplifier will suit everyone’s taste. Any manufacturer who can’t meet those tests should be driven out of business. Another critical area was that of soundstage, which the British “didn’t believe in.”  In the early 1980s, UK reviewers thought that this was merely a US obsession with no foundation in reality, especially because a revered Linn-Naim setup was totally a “2-D” experience. With only one or two exceptions, each new design has been a step forward on a continuing journey. A new amp by Krell always piques the interest of audiophiles. I tell you this because Krell did not take the US, its home country, by storm from the outset. The RSS feed provided is for personal, non-commercial use only. For over three decades they have been at the top of the industry manufacturing amplifiers that push the boundaries as to what is possible. If all you wanted was very good, or even excellent amplification, you could buy a Krell 400Xi integrated amplifier at a tiny fraction of the price. Krell Evolution 402e . 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