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Register to win an AudioQuest Cobalt portable USB DAC (retail value $349.95; limited-time $199.95) we are giving away.

"In the December 2019 issue of Stereophile, John Atkinson pondered: 'Is AudioQuest’s DragonFly Cobalt worth the extra $100 compared with the DragonFly Red? Yes. That sense of ease it offers with long-term listening is something I don’t want to do without.'"

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In the mid-2000s, I worked at a "white-shoe" law firm on Wall Street, ran with renegades, and fancied myself a writer. Fast-forward some 18 years. The firm, like many cash-flush NYC firms, has moved to midtown and I've moved on. Those renegades are now respected members and players in the hi-fi community. I still fancy myself a writer.

Back then, I made friends with a big-eared clique that would influence my future in hi-fi: audio writer Michael Lavorgna (currently editor at TwitteringMachines.com); NYU law professor Jules Coleman; former Stereophile deputy editor and current AudioQuest director of communications Stephen Mejias; record-industry veteran Andrew Klein; composer Dan Cooper; illustrator Jeff Wong; vacuum-coffee–machine collector and audiophile Margery Budoff, who regrettably passed in 2015; Tone Imports' Jonathan Halpern; and DeVore Fidelity proprietor-designer John DeVore.

To misquote Morrissey, some knobs are better than others. The Manley Neo-Classic 300B amplifiers that I've been listening to, for example, have a knob marked "feedback" that goes from 0 to 10. I've learned so much from using it that I've come to believe that if your amp doesn't have such a knob, it should. You see, the higher you set this control, the better the amp will measure. Applying more global negative feedback to these amps lowers their nonlinear distortion and noisefloor, increases their bandwidth, renders them less sensitive to the speaker's impedance variations and otherwise makes them more stable and efficient. In fact, by applying lots of feedback to an amplifier, it's possible to reduce distortion to barely measurable levels.

So what's the problem? Well, a few turns of the knob suggest that negative feedback isn't as useful as it appears on paper.

One of the finest chamber music performances I have ever attended took place this past August under far from ideal circumstances. The venue was one-month-old Field Hall in Port Angeles, Washington, a city of fewer than 20,000 people known more for its port and proximity to the Olympic National Forest than for its rich culture. Perhaps that reputation will soon change, because the performers in the concluding concert of the Music on the Strait chamber music festival included its two local founders, violinist James Garlick of the Minnesota Orchestra and violist Richard O'Neill, the newest member of the Takács String Quartet. These excellent musicians, who have been friends since high school, were joined by the superb pianist Jeremy Denk and cellist Ani Aznavoorian. These are world-class musicians who attract eager audiences to New York's 92nd Street Y and Carnegie Hall, London's Wigmore Hall, and other prestigious venues. . .

What was true for that live performance in Field Hall is also true for performances reproduced on audio systems: A system can be less than technically perfect yet still transmit with eloquence every iota of care and feeling that artists and engineers put into recordings. Perfection is not an essential component of musical truth. Inspiration is.

Lest readers think this preamble is intended to suggest some shortcoming in the component under review, the Accuphase A-300 monophonic power amplifier ($51,900/pair), let me reassure you at the outset: Time and again, the A-300, like Jeremy Denk's artistry, inspired a state of wonder. The more I listened to the A-300 monoblocks, the more I wanted to listen. In my too-busy life, every occasion for listening was an occasion indeed, a special event.