GR Trumpet Mouthpieces

Gary graduated University of Wisconsin-Oshkosh with a Bachelor of Music Education Degree. Gary studied trumpet with Allen K. Butcher, from the University of Wisconsin-Oshkosh, Dennis Najoom, Co-Principal Trumpet with the Milwaukee Symphony Orchestra, and Renold O. Schilke to name a few. After college, Gary traveled on the road, backing up big-name acts, arranging, composing, doing copy work and some studio work.

GR as an educator

Gary Radtke has been a High School Band Director, Department Head, as well as, an accomplished composer/arranger. This extensive background is the basis to his series of clinics, “The Scientific Approach To Brass Playing” and “Understanding The Mouthpiece”.

GR’s Technical Background

GR is a journeyman tool maker. He started GR Technologies in 1999 and introduced new tools and new thinking. GR also defined the mouthpiece with mathematical parameters, developed a system for communication, improved design, and developed methods for proper fitting. (GR Playing Tests)

GR "Signature" Trumpet Mouthpieces

GR Technologies is proud to design and manufacture the following "Signature" Mouthpieces.

Please visit the corresponding web pages below for more information on each Signature line.

Carl Fischer CF Mouthpieces

Steve Haefner Haefner Mouthpieces

Dan McMillion Groovin' High Mouthpieces

Dennis Najoom Najoom Mouthpieces

Chase Sanborn CS Mouthpieces

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