I am happy to announce the latest advancement in the 5MM Modular Mouthpiece System. The "Compression Throat" designs outlined below will definitely improve clarity, attack and stability in the upper register for everyone.
Compression Series Throats offer more front end to the attack. Great for lead or situations where the attack is more important.
"C" series - bright and loud with a balance of depth and ease in upper register
"E" series - extremely bright and loud, easiest in upper register
"H" series - aids in upper register while remaining big and full
This 1-minute video gives you a taste of what is possible with Compression!
The 5MM Throat regulates air flow and is a major factor in the harmonic overtone color produced by our 5MM Modular Mouthpiece System.
Order your 5MM here or your Compression Throats here
Most standard mouthpieces have throat measurements in the range of .145 to .165 with an end diameter of .20 to .22 inches. A 3C is typically .147 by .21 inches and is designated as F147.21 as in the example illustration above.
Not sure which size throat you need? Call us and we'll make recommendations based on your specific performing needs. 651.330.7774
Understanding the numbers
B-120-20 designates the smallest diameter of .120" and an end diameter of .200" (matches Cup B, this is a small throat suitable for lead work)
F-145-21 designates the smallest diameter of .145" and an end diameter of .210" (matches Cup F, this is a medium throat suitable for all around playing)
H-170-22 designates the smallest diameter of .170" and an end diameter of .220" (matches Cup H, this is a large throat suitable for ballads and Mahler's 5th symphony)
We recommend experimenting with throats of various sizes to achieve your desired tone color for each performing situation. Smaller diameter values produce a more focused tone while medium sizes offer vibrancy and warmth and large throats minimize projection producing a pleasant cello-like velvet tone. You may experiment with any diameter variations listed as they are all regular stock items. Change Throat sizes in seconds and see for yourself how this one factor will help you fine tune air flow, color, projection and intonation.
Throat "length" should match the Cup "depth" value
Throat "exit diameter" should match the Backbore "initial diameter"
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Inventor, Musician, Educator and Founder of Harrelson Trumpets, Trumpet Momentum and Harrelson Momentum.