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John Atkinson Posted: Feb 28, 1989 0 comments
One of the things that fascinates me about the field of box loudspeaker design is how few original talents there are capable of designing a model from first principles. Yes, armed with the Thiele-Small papers on bass alignment, an understanding of filter theory, and a working knowledge of the OEM drive-unit field, almost anyone can, and has, come up with one commercially and sonically successful design—given a fair degree of luck. And the teams of well-trained engineers at companies like KEF, B&W, and Celestion have shown that they can produce a steady stream of affordable boxes with a high ratio of performance for the dollar. But for an individual to create more than just one good box speaker requires a modicum of genius, and genius is thin on the ground.
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John Atkinson Posted: Feb 25, 1988 0 comments
Elsewhere in this issue, I review the new Spica Angelus loudspeaker, only the fourth product to appear from this Santa Fe-based manufacturer since it started operations at the end of the 1970s. You will have to read the review to learn what I thought of the speaker, a distinctively styled floor-standing two-way, but I also thought it would be beneficial to talk with Spica's founder and chief engineer John Bau. I therefore made arrangements to meet with him in their facility just a couple of blocks from Stereophile's old Early Street HQ. I had been told that John was tall, but until he unfolded himself from his stool in his laboratory, surrounded by computers and computerized test equipment, I had not realized how tall! Undaunted, I settled into a conventional chair, pointed the microphone in a vaguely upward direction, and asked John how he had gotten into loudspeaker design.—John Atkinson


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