In 1977, THIEL began production of their first speaker, the model 01. In 1978 THIEL introduced the model 03 which pioneered complete time and phase accuracy in multi-driver dynamic speaker systems. Today THIEL is one of the world's largest high-end speaker manufacturers.

Jim Thiel is a co-founder, co-owner, and product design engineer for THIEL. His interest in music began on the piano in early childhood and remains an important part of his life today. Jim pioneered the principle of time and phase accuracy in loudspeakers with the use of sloped baffles, coaxial driver mounting, and phase coherent crossover network design.

Today, THIEL continues the pursuit of musical perfection through advanced technology and construction techniques. The primary focus of each area of the company-research and development, acoustical and construction engineering, and marketing and sales-is to ensure the highest level of customer satisfaction possible and the greatest enjoyment possible of the home sound experience.

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