Throughout our forty year history, we have strived to offer the very best products and service to our customers. Right from our very humble beginnings, we have set out to design and build products that offer true innovation to the audio world whilst still retaining the personal touch that was instilled into the company by our founder – the late John Michell.
Dynamic Sounds Associates
Dedicated audiophiles who have experienced components designed and manufactured by Dynamic Sounds Associates (DSA) rave about the dramatic sonic improvement they enjoy. Ironically, the intense research and relentless engineering efforts that distinguish a DSA design are about only one thing: contributing to the journey from musical source to final expression without leaving any sonic imprint.
Atma-Sphere music systems, Inc. is a small company in Saint Paul, MN that has been making world-class vacuum tube music amplifiers since 1976. We are known for our unique approach to circuit design, resulting in multiple patents and the creation of the first, truly reliable Output TransformerLess (OTL) amplifiers.
Keith Herron, the owner and principal designer at Herron Audio, is a graduate of Iowa State University and a Registered Professional Electrical Engineer. He was formerly director of R&D for Ampeg, Crate, and Audio Centron. He combines a strong background in electronics, mathematics, physics, and music with a keen ear and an open-minded analysis of audio equipment design. He describes himself as an audiophile, a lover of music, and a “former” musician.