GR Technologies

"The world's most technologically advanced brass mouthpieces".

    
     
     
     
 

We do the math...you make the music.

                
   
             

 
    "I would like to say how much more amazing my trumpet life has felt since switching to GR Mouthpieces! There is a tremendous correlation between accuracy and self-confidence when playing equipment that one simply trusts."

Jens Lindemann - International Soloist
 		  
     
     
     
     
     
     
     
               
   
     

 

      
     

GR Technologies L.L.C.  Box 96  Dousman Wisconsin 53118 U.S.A.

      
       

 

        
       

(705) 715-7060

        
       

 

        
     

Brass Mouthpieces by Gary R. Radtke

      

All material copyright GR Technologies.

GR® is a registered trademark and must not be used without permission.