Donald L. Kliewer, 66, died on January 9. Kliewer, who holds more than 30 U.S. patents for acoustical products, began his career at Telex Corporation, working on headphone design, specializing in plastics and acoustical products. His acoustical expertise included loudspeaker enclosures, electrostatic transducers, crossovers, etc. He worked with loudspeaker companies E-V, JVL, Altec, Sound Tube and Koss Electronics.
During the past decade, Kliewer started his own manufacturing business, Winslow Industries, an OEM manufacturer of crossovers for specialty loudspeaker manufacturers.
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