66.5MS GR Trumpet Mouthpiece
• 66.5 series John Almeida rim: a rounded contour and a softer bite than the Standard GR rim. Using digital analysis this rim is made with some profile similarities to the 1 1/4C and Stork 2, with GR improvements. Excellent for a player that doesn't get a vibrant sound on a flatter rim or with a sharp bite. The rounded contour and soft bite makes this rim feel larger, with added support. Flexibility is excellent, articulations snap.
• .665" rim diameter, approximately equivalent to a Stork 2
• MS cup: a medium volume with lots of sizzle and power. It's an excellent choice for any commercial venue. The alpha angle is medium high and the 1st cup allows for ample lip room. Features the medium GR #2 backbore.

66.5M GR Trumpet Mouthpiece
• 66.5 series John Almeida rim: a rounded contour and a softer bite than the Standard GR rim. Using digital analysis this rim is made with some profile similarities to the 1 1/4C and Stork 2, with GR improvements. Excellent for a player that doesn't get a vibrant sound on a flatter rim or with a sharp bite. The rounded contour and soft bite makes this rim feel larger, with added support. Flexibility is excellent, articulations snap.
• .665" rim diameter, approximately equivalent to a Stork 2
• M cup: has a large diameter that features a smaller 1st cup, medium 2nd cup, and a very long and deep throat entrance. This cup has a large volume yet it is very efficient. The sound is rich and brilliant through the range of the horn. This cup is very versatile and allows the player to shade and color the tone. Features the medium GR #2 backbore.

66.6M2*** GR Trumpet Mouthpiece
• Rim is semi-flat in profile with a medium sharp bite, an alpha that is slightly lower than medium, longer L1 for added lip relief, and a rim that provides great support.
• .666" rim diameter, slightly larger than a Bach 3
• M2*** cup: with a smaller cup volume than the 66.6M2**, this 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. Features the large GR #3 backbore, with low resistance and a huge sound.

66.6M2** GR Trumpet Mouthpiece
• Rim is semi-flat in profile with a medium sharp bite, an alpha that is slightly lower than medium, longer L1 for added lip relief, and a rim that provides great support.
• .666" rim diameter, slightly larger than a Bach 3
• M2** cup: very versatile medium-depth for Bb and C trumpet work, offering a traditional sound with full harmonic spectrum of overtones. Features the large GR #3 backbore, with low resistance and a huge sound.