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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
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
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
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
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