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Pat Quilter, founder of QSC Audio Products and a veteran designer with over 50 years of experience, is one of the few designers whose career spans tubes, solid state, and the new switchmode technology. His mission is to combine a deep love of music, a deep understanding of tube behavior, and his expertise in switchmode design, to create new tools that will expand artistic possibilities, relieve performers of excess burdens, and exploit the latest mainstream technology to deliver higher quality and satisfaction at an affordable price.