GR 66.6 Series - .666" / 16.92mm - GR Mouthpieces

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GR 66.6 Series - .666" / 16.92mm

GR Mouthpieces > Trumpet
Quick Comparison - The GR 66.6 Series cup diameter is slightly larger than a conventional 3 diameter.  
This is a very versatile series featuring the same rim and alpha angle on each model for easy switching. 

Slightly flatter rim with sharper bite than the GR 3 Series.

66.6 M2*
  • Rim is semi flat in profile with a medium sharp bite.
  • Alpha angle that is slightly lower than medium.
  • This rim provides great support.  
  • The cup is very versatile for Bb and C trumpet work offering a traditional sound with full harmonic spectrum of overtones. 

Standard GR Symphonic blank and length, a slightly larger throat bore, and #3BB, also available in the Symphonic Blank with the traditional overall length, GR Classic Blank with Standard length or GR Classic Blank with traditional overall length and different backbore as a special order.
A very open blow, great for C trumpet. 

66.6 M2**
  • Rim is semi flat in profile with a medium sharp bite.
  • Alpha angle that is slightly lower than medium.
  • Longer L1 for added lip relief.
  • The rim provides great support.  
  • The cup is very versatile for Bb and C trumpet work offering a traditional sound with full harmonic spectrum of overtones. 

Standard GR Classic Blank and length with standard throat bore, and #3 BB, also available in the Symphonic Blank or Symphonic Blank with the traditional overall length and different backbore as a special order.

66.6 M2***
  • Rim is semi flat in profile with a medium sharp bite. 
  • Alpha that is slightly lower than medium.
  • The rim provides great support.  
  • The cup is very versatile for Bb and Eb trumpet work offering a traditional sound with full harmonic spectrum of overtones.  
  • This mouthpiece is great for all around trumpet playing such as solo work, concert band, jazz, pops, brass ensemble, and church work.   

Standard GR Classic Blank and length with standard throat bore, and #3 BB, also available in the Symphonic Blank or Symphonic Blank with the traditional overall length and different backbore as a special order.
 
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