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It was 20 years ago that I began audio reviewing as a second career. It was also 20 years ago that I made my first very expensive audio purchase: a pair of Infinity RS-1b speakers. The RS-1b was a landmark speaker in its day, and very costly for the time at $5500/pair. (I think my dentist has just spent more than that on a TV.) In retrospect, the RS-1b was an extraordinary value. With four large towers, more than 30 drivers, and a servo network and a passive crossover, the Infinity RS-1b resolved a significant amount of detail, was capable of large dynamic swings, had pinpoint image specificity on a wide, deep soundstage, and was capable of reproducing a convincing bottom octave in the right room when paired with the right associated equipment. Its main weaknesses were a relative lack of coherence due to its use of three different types of drivers to cover the various frequency ranges, and both the midrange/tweeter towers and woofer columns were picky about amplifier matching.

Loudspeaker design is an art and a science. Anyone who tells you it's only one or the other is probably building or listening to some awful-sounding speakers. Design a speaker in an anechoic chamber for the "theoretical" world, and there's no guarantee it will sound good in the real one. Even building a speaker that excels at "real-room" measurements doesn't guarantee that it will sound all that convincing when reproducing music. We can't measure everything, and what we can measure can't be reliably ranked in terms of what's important to most listeners.

Our first of three loudspeaker reviews from the April 2004 issue finds Michael Fremer listening to the Aerial Model 20T loudspeaker. MF explains, "Loudspeaker design is an art and a science. Anyone who tells you it's only one or the other is probably building or listening to some awful-sounding speakers." Fremer ponders whether Aerial has managed to achieve that perfect balance.

An old adage has it that one common type of fool believes that anything new must be better.