GR 66.9 Series - .669" / 16.99mm - GR Mouthpieces

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GR 66.9 Series - .669" / 16.99mm

GR Mouthpieces > Trumpet
       Quick Comparison - The GR 66.9 Series cup diameter is similar to a conventional 1 1/2 diameter.  
These offer the 1 1/2C player a familiar feel but with a more efficient design.
Full of overtones and better matched to both Bb and C trumpet.

L66.9 C
  • Rim is semi flat with a bite that is sharp.
  • Alpha angle is medium low and this mouthpiece is for a more open trumpet or designed for C trumpet. 
  • Standard GR Symphonic Blank and length with standard throat bore, and #3 BB, also available in the Classic Blank or Symphonic Blank with the traditional overall length and different backbore as a special order.
L66.9 B
  • Rim is semi flat with a bite that is sharp.
  • Alpha angle is medium low and this mouthpiece is for a more open trumpet or designed for Bb trumpet. 
  • 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.

L66.9C 2.4
  • Rim is semi flat with a bite that is sharp.
  • Alpha angle is medium low and this mouthpiece is for a more traditional trumpet or designed for C trumpet to achieve a traditional sound with full harmonic spectrum of overtones. 
  • Standard GR Symphonic blank and length, 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.

L66.9B 2.8
  • Rim is semi flat with a bite that is sharp.
  • Alpha angle is medium low and this mouthpiece is for a more traditional trumpet or designed for Bb trumpet to achieve a traditional sound with full harmonic spectrum of overtones. 
  • Standard GR Symphonic blank and length, 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.
 
 
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