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I gasped. An almost perfect 300Hz squarewave had appeared on the oscilloscope screen—something I had never before seen from a loudspeaker.

It was the spring of 1982. John Crabbe, then editor of the British magazine Hi-Fi News & Record Review, and I had driven up to Quad's factory in Huntingdon, England. The ESL-63 electrostatic loudspeaker had been launched the previous summer, and we were to interview its designer, Peter J. Walker, for an article that would appear in the July 1982 issue of HFN/RR. Peter set up a pair of ESL-63s on wooden kitchen chairs, fed one of them a 300Hz squarewave, casually placed a mike before it, and showed us the result on the 'scope. "Of course, why should a speaker being able to reproduce a squarewave matter at all, hmmm?" he rhetorically asked us.

B.M.C. Audio GmbH (the initials stand for Balanced Music Concept) designs its high-performance audio products in Germany, where the company was founded in 2009, and has them manufactured in its own wholly owned factory in China. The design team is headed by Carlos Candeias, whose earlier designs included a belt-driven CD transport for C.E.C. and, for Aqvox, a high-performance, current-gain–based, balanced phono preamplifier that's reasonably priced. These have won him a lot of attention, and made him something of a celebrity in certain sectors of the audiophile world.

Even when Loudon Wainwright III (left in photo with Ramblin' Jack Elliot) was a young man he was writing autobiographical songs, and his old themes of family, sex, and death resonate more deeply on his new record, Older Than My Old Man Now. He usually performs solo, armed with just an acoustic guitar or a banjo, but most of his recordings present more heavily produced versions of LWIII's music. When I chatted with LWIII in late April I wanted to explore that dichotomy and how those transformations take place.

Stop me if you've heard this: On January 10, at Avery Fisher Hall in New York's Lincoln Center, a performance of Mahler's Symphony 9, led by conductor Alan Gilbert, was stopped in its tracks by the ringing of an iPhone.

It wasn't just any part of the Mahler Ninth: It happened during the exceedingly quiet closing measures of the final movement.

It wasn't just any symphony orchestra: It was the New York Philharmonic, which Gustav Mahler directed during the last two years of his life.

Ryan Truesdell: Centennial: Newly Discovered Works of Gil Evans
Ryan Truesdell, conductor; 35 musicians including those mentioned in text, plus: Scott Robinson, Charles Pillow, reeds; Greg Gisbert, trumpet; Marcus Rojas, tuba; Romero Lubambo, guitar; Lewis Nash, drums
ArtistShare AS0114 (CD). 2012. Ryan Truesdell, prod.; James Farber, eng. DAD. TT: 74:18
Performance *****
Sonics ****½

It is dreamlike when the opening track, "Punjab," begins so softly, with the tapping of a tabla. Exotic woodwinds, perhaps English horn and bassoon, murmur in the left channel, whisper in the right. It is dreamlike because Gil Evans died in 1988, yet this unfamiliar music sounds like him, and when suddenly that deep, solemn brass figure looms out of the right channel, it could only be him. More instruments enter, and more motifs, with brighter colors from alto saxophone and flute. Like all the greatest Gil Evans music, "Punjab" creates its own world of high drama and mysterious allusion. It belongs in the exalted company of such Evans masterpieces as Out of the Cool and Sketches of Spain. And it is new.

There are as many ways of designing a digital-to-analog converter as there are engineers. One approach is to select parts from manufacturers' data books and build the product according to the "application notes" provided by the parts manufacturers. This is the electronic equivalent of a paint-by-numbers kit.

A more creative engineer may add a few tricks of his own to the standard brew. Bigger and better regulated power supplies, careful circuit-board layout, tweaky passive components, and attention to detail will likely make this designer's product sound better than the same basic building blocks implemented without this care. Indeed, the vast range of sonic flavors from digital processors containing very nearly the same parts attests to the designer's influence over a digital processor's sound.

Ed Meitner is one of those rare individuals who charts his own course in audio product design. From his platterless turntable of the mid-1980s to his new Intelligent Digital Audio Translator (IDAT, reviewed elsewhere in this issue), Ed Meitner's products have been distinguished by original thinking and innovative engineering. Although not all his designs have been commercially successful, in each he has attempted to advance the state of the art by rethinking fundamental principles.

Ed is also pursuing an ambitious project that would radically change the way recordings are made. It began when he recorded an electric guitar through a 10" guitar-amp loudspeaker and was dismayed that it was impossible to even come close to capturing and realistically reproducing this apparently simple sound through another 10" speaker. This experience launched his investigation into why reproduced sound is never mistaken for live music, a quest that may result in a radically new recording technique.