Barry Willis

Measurements & Sound Quality

"One of the worst-kept secrets in audio engineering is that what we hear does not always correlate with what we measure." So wrote the late Richard Heyser 30 years ago, as quoted in <A HREF="http://www.stereophile.com/historical/572"><I>Time Delay Spectrometry</I></A>, a 1987 anthology of his writings (footnote 1). What do we hear? Music heard live consists of a sound pressure that changes according to the logical demands of two things that have no physical reality: the way in which music is structured in time and pitch, and how that structure is ordered by the composer/musician. Heyser, one of the most perceptive audio engineers I've had the privilege to meet, repeatedly emphasized in his essays and papers that the reproduction of music is a multidimensional event.

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Cello Palette Preamplifier

Founded in 1984 by Mark Levinson, the man responsible for the original Mark Levinson products (footnote 1), Cello has slowly become more visible within the high-end audio consumer market, as well as establishing a presence in the recording industry with very high quality microphone preamps, tape electronics, power amplifiers, and equalizers. Taking a holistic approach, Levinson offers Cello systems complete from preamplification and equalization stages through amplification to loudspeakers. He can also set up a complete recording studio for you, including the microphones, microphone preamplifiers, and tape decks. Cello manufactures their own interconnect and speaker cables, cutely called "Cello Strings." Besides marketing his products through high-end dealers, Levinson has established two showrooms, in New York and Los Angeles, dedicated to sales of Cello systems and components (as well as a few selected source components from other manufacturers).

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New Products

Lexington, KY&ndash;based <A HREF="www.thielaudio.com">Thiel Audio</A> has announced a new line of SmartSub subwoofers, "designed as the ultimate solution for bass management and reproduction in home theater and music sound systems." The line includes the SS1, SS2, SS3, and SS4 subwoofers, the SmartSub Integrator, and the PX02 and PX05 Passive Crossovers, a group of products said "to offer the most seamless and realistic low frequency reproduction possible." Company president Kathy Gornik describes the new line as "the world's first intelligent subwoofers."

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